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SEA - BOS

$88 Find cheap flights from Seattle to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Boston departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 6/30
Sun 7/7

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Boston.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Boston.
In the last 7 days travelers have searched 42,787,818 times on KAYAK, and here is why:

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Cheap flight deals from Seattle to Boston (SEA-BOS)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
5:30 am - 6:30 amSEA-BOS
22h 00m1 stop
6:44 am - 9:48 pmBOS-SEA
18h 04m2 stops
$176Spirit Airlines
Find Deal
Wed, Aug 21 - Wed, Aug 28
5:00 pm - 11:43 pmSEA-BOS
27h 43m2 stops
6:00 am - 8:21 pmBOS-SEA
17h 21m3 stops
$188Spirit Airlines
Find Deal
Mon, Sep 9 - Wed, Sep 11
5:00 pm - 11:43 pmSEA-BOS
27h 43m2 stops
7:00 am - 8:21 pmBOS-SEA
16h 21m2 stops
$193Spirit Airlines
Find Deal
Mon, Sep 9 - Wed, Sep 11
10:16 pm - 6:39 amSEA-BOS
5h 23mnonstop
5:45 pm - 9:06 pmBOS-SEA
6h 21mnonstop
$227JetBlue
Find Deal
Wed, Sep 11 - Tue, Sep 17
8:50 pm - 5:10 amSEA-BOS
5h 20mnonstop
7:05 am - 10:18 amBOS-SEA
6h 13mnonstop
$262JetBlue
Find Deal
Tue, Aug 27 - Tue, Sep 3
5:00 am - 7:02 pmSEA-BOS
11h 02m1 stop
2:46 pm - 9:04 pmBOS-SEA
9h 18m1 stop
$308American Airlines
Find Deal
Sat, Sep 28 - Sat, Oct 5
9:29 pm - 5:44 amSEA-BOS
5h 15mnonstop
7:59 pm - 11:13 pmBOS-SEA
6h 14mnonstop
$317Alaska Airlines
Find Deal
Mon, Sep 9 - Wed, Sep 11
6:07 pm - 11:16 pmSEA-BOS
26h 09m1 stop
6:15 am - 11:46 amBOS-SEA
8h 31m1 stop
$325Sun Country Air
Find Deal
Tue, Jul 9 - Sat, Jul 13
7:45 pm - 8:20 amSEA-BOS
9h 35m1 stop
7:00 am - 10:17 amBOS-SEA
6h 17mnonstop
$326Alaska Airlines
Find Deal
Thu, Aug 22 - Wed, Aug 28
6:28 pm - 11:56 pmSEA-BOS
26h 28m1 stop
11:25 am - 11:12 amBOS-SEA
26h 47m1 stop
$340Sun Country Air
Find Deal
Thu, Jul 11 - Tue, Jul 16

Flights from Seattle to Boston - Travel Insights & Trends

Get data-powered insights and trends into flights from Seattle to Boston to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to Boston?

The average price of all flights from Seattle to Boston clicked on KAYAK for each day over the last 12 months.
For Seattle to Boston, Wednesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Boston back to Seattle, the best deals are generally found on Wednesday, with Sunday being the most expensive.

What is the cheapest month to fly from Seattle to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Seattle to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Seattle to Boston is January, where tickets cost $228 on average. On the other hand, the most expensive months are July and June, where the average cost of tickets is $513 and $498 respectively.

How far in advance should I book a flight from Seattle to Boston?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Seattle to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Seattle to Boston, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 41 days before departure.

Which airlines provide the cheapest flights from Seattle to Boston?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Seattle to Boston were found on Spirit Airlines ($176) and JetBlue ($227). Spirit Airlines proposed the cheapest one-way flight at $88.

Which airlines fly most frequently between Seattle and Boston?

Seattle and Boston are connected by different airlines. The airlines that fly that route the most regularly are Alaska Airlines (7 flights per day), Delta (3 flights per day), and JetBlue (2 flights per day).

Which airlines fly non-stop between Seattle and Boston?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Seattle to Boston.
There are 3 airlines that fly nonstop from Seattle to Boston. They are: Alaska Airlines, Delta and JetBlue. The cheapest price of all airlines flying this route was found with JetBlue at $129 for a one-way flight. On average, the best prices for this route can be found at JetBlue.

How many flights are there between Seattle and Boston per day?

Each day, there are between 11 and 14 nonstop flights that take off from Seattle and land in Boston, with an average flight time of 5h 27m. The most common departure time is 10:00 am and most flights take off in the morning. Each week, there are 90 flights. The most frequent day of departure is Thursday, when 16% of all weekly flights depart. The fewest flights depart on a Friday.

Which cabin class options are there for flights between Seattle and Boston?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Seattle to Boston take?

Direct flights take on average 5h 14m to travel the 2,487 miles between Seattle and Boston.

What’s the earliest departure time from Seattle to Boston?

Early birds can take the earliest flight from Seattle at 6:30 am and will be landing in Boston at 2:52 pm.

What’s the latest departure time from Seattle to Boston?

If you prefer to fly at night, the latest flight from Seattle to Boston jets off at 11:36 pm and lands at 7:55 am.

Good to know

Low season

January

High season

August

Cheapest flight

$88
Best time to beat the crowds with an average 40% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Seattle to Boston

When to book flights from Seattle to Boston

Are your dates flexible? Find out the best times to travel from Seattle to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Boston

  • How can I connect from downtown Seattle to Seattle-Tacoma International Airport?

    Sound Transit, Link Light Rail, offers the easiest means to connect from the city center of Seattle to SEA for your departure to BOS. The service reaches the terminals in approximately 40min. Other travel options include taxis and rideshares. Still, buses are the most convenient means due to their relatively lower costs.

  • Where can I rent a car at Boston Logan International Airport?

    Boston Logan International Airport operates its own off-site car rental center at 15 Transportation Way. Upon arrival, you will find a free shuttle bus service at the curbside on the lower level of each terminal. The blue- and white-colored buses depart every 10-15min. Alamo and Dollar are some agencies offering shuttle and pickup services at BOS.

  • Which cities can I visit near Boston Logan International Airport?

    Aside from serving as the primary getaway to Boston, BOS also serves as the destination station for visitors from Seattle to neighboring towns like Smithfield, Wareham, Shirley, Bedford, and Somerset. With these destinations about an hour’s drive away, you can easily explore them by public transportation, car rentals, or taxis.

  • How can I move between terminals at Boston Logan International Airport?

    BOS operates four terminals. Domestic flights depart and arrive via Terminals A, B, and C, while Terminal E handles all international flights. Walkways link all the terminals, and you can walk around if you don’t have heavy luggage. Regular shuttles run between the terminals every 5-15 minutes.

  • Are pets allowed on flights between Seattle and Boston?

    Both SEA and BOS have pre- and post-security pet-relief areas where your cat or dog can relax and relieve itself. In addition, most flights along this route allow pets into their cabins, including cats and dogs. Nevertheless, checking with your carrier regarding specific requirements like health certificates and age is helpful.

  • Are there accessible services for travelers from Seattle to Boston who are disabled?

    Most airlines require the booking of wheelchairs at least 48 hours before departure from SEA to BOS. At SEA, travelers with limited mobility receive cab-to-aircraft services and will find well-trained airport and airline staff at BOS to guide them through the terminals. Furthermore, basic amenities in both airports, like restrooms, are accessible.

  • Where can I find bus services at Logan airport?

    Moving around the Logan airport is the least of your worries since the airport provides free bus services. They ferry travelers to various spots at varying intervals. The buses are easy to board and to load luggage, thanks to their low floors. They also have a wheelchair lift, making them friendly to the disabled. You’ll find them to the south of each terminal.

  • What assistance can I get at the Seattle airport?

    The airport works toward giving travelers a memorable experience when waiting for their flights. You can find advanced facilities and welcoming staff to help you move around and offer you all the assistance needed. The disabled can access wheelchair services, which the airport provides at no cost upon making a reservation.

  • How fast can I get accommodation upon landing at Logan airport?

    You can get accommodation near Logan airport for approximately $144. Take a free shuttle bus at the terminals to access hotels such as the Homewood Suites, located 3.5 miles away. Enjoy an indoor pool table, Wi-Fi, and a fitness center. The hotel serves complimentary breakfast too.

  • What can keep me busy as I wait for my flight to Seattle Airport?

    Travelers can enjoy a walking tour to explore attractions in the neighborhood using underground paths and learn about the history. Waiting for your flight does not have to be boring, as there is too much fun around the airport.

  • What is the cheapest flight from Seattle to Boston?

    In the last 3 days, the lowest price for a flight from Seattle to Boston was $88 for a one-way ticket and $176 for a round-trip.

  • Do I need a passport to fly between Seattle and Boston?

    No

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Boston?

    All the following airlines offer inflight Wi-Fi service on the Seattle to Boston flight route: JetBlue, Alaska Airlines, Delta, American Airlines, Hawaiian Airlines, Virgin Atlantic, and Aeromexico.

  • Which aircraft models fly most regularly from Seattle to Boston?

    The Airbus A321neo is the aircraft model that flies most regularly on the Seattle to Boston flight route.

  • Which airline alliances offer flights from Seattle to Boston?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Seattle and Boston, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Seattle to Boston?

    There are nonstop flights from Seattle to Boston on a daily basis.

  • Which is the best airline for flights from Seattle to Boston, Delta or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Seattle to Boston are Delta and Alaska Airlines. With an average price for the route of $400 and an overall rating of 8.0, Delta is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $402 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Seattle to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Seattle with another airline. Booking your flights between Seattle and BOS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Seattle to Boston

  • Looking for a cheap flight? 25% of our users found flights on this route for $214 or less one-way and $353 or less round-trip.
  • As you book your flight from Seattle to Boston, you’ll find that numerous airlines offer one-stop journeys between Seattle-Tacoma International Airport (SEA) and Boston Logan International Airport (BOS). For instance, American Airlines transits through Phoenix Sky Harbor International Airport (PHX), while Spirit Airlines has a layover at Las Vegas International Airport (LAS).
  • Boston Logan International Airport has efficient customer service information booths where arriving passengers can seek information about language assistance, terminal services, car rentals, accessible ground transportation, and more. These amenities are close to every terminal's baggage claim area on the arrivals level (first floor).
  • Suppose you arrive before your flight from SEA to BOS. In that case, you can choose to relax in the observation decks. The observation deck at SEA is located on the mezzanine level of the Central Terminal. Also, Concourse D is an ideal outdoor viewing area where you can watch the planes land and take off.
  • Seattle International Airport offers tranquil air services to travelers flying to Boston. You can book one among the several nonstop flights and land at Logan International Airport. Airlines operating on this route include Alaska and American Airlines.
  • If you are departing from Seattle airport, you can park your car and fly with your keys. You’ll find dedicated staff to assist you in parking and even carry your bags to the airport. What more, you enjoy a complimentary bottle of water as you head to the terminals.
  • While at Seattle airport, you can enjoy free Wi-Fi and take snacks and drinks at the elegant lounges that the facility has to offer. You can book your lounge tickets that cost around $49. At Courtyard A, you’ll find the Club Sea lounge that serves beer and other beverages.
  • Seattle airport features multiple artistic works that include photography, sculpture, and painting, among others. Travelers can explore creative artwork by reputable artists such as Robert Rauschenberg.
  • Travelers enjoy a variety of dining services as they wait to depart from Seattle International Airport. There are gift shops, fashion brands, and duty-free services offered at the waiting halls.
  • For those travelers with young kids, Seattle airport provides nursing rooms located in various areas. Find one in the Children Play Area at Concourse A. Another nursing room exists in Concourse D next to D24. You’ll also find one above checkpoint 3.
  • Travelers landing at Logan International Airport can access the United Club lounge located in Terminal B at $59 for adults. The lounge serves drinks, premium food, snacks, and breakfast. Other services include printing, photocopies, and free Wi-Fi.
See more tips

Prefer to fly non-stop from Seattle to Boston?

Find which airlines fly direct from Seattle/Tacoma Intl to Logan Intl, which days they fly and book direct flights.

Nonstop departures

Seattle/Tacoma Intl to Boston Logan Intl

Monday

Air France, Air Tahiti Nui, Alaska Airlines, +13 more

Air France, Air Tahiti Nui, +14 more

Tuesday

Air France, Air Tahiti Nui, Alaska Airlines, +15 more

Air France, Air Tahiti Nui, +16 more

Wednesday

Air France, Air Tahiti Nui, Alaska Airlines, +13 more

Air France, Air Tahiti Nui, +14 more

Thursday

Air France, Air Tahiti Nui, Alaska Airlines, +15 more

Air France, Air Tahiti Nui, +16 more

Friday

Air France, Air Tahiti Nui, Alaska Airlines, +13 more

Air France, Air Tahiti Nui, +14 more

Saturday

Aer Lingus, Air France, Air Tahiti Nui, +16 more

Aer Lingus, Air France, +17 more

Sunday

Air France, Air Tahiti Nui, Alaska Airlines, +14 more

Air France, Air Tahiti Nui, +15 more

See more direct flights

Nonstop returns

Boston Logan Intl to Seattle/Tacoma Intl

Monday

Aer Lingus, Air France, Air Tahiti Nui, +17 more

Aer Lingus, Air France, +18 more

Tuesday

Aer Lingus, Air France, Air Tahiti Nui, +14 more

Aer Lingus, Air France, +15 more

Wednesday

Aer Lingus, Air France, Air Tahiti Nui, +16 more

Aer Lingus, Air France, +17 more

Thursday

Aer Lingus, Air France, Air Tahiti Nui, +16 more

Aer Lingus, Air France, +17 more

Friday

Aer Lingus, Air France, Air Tahiti Nui, +15 more

Aer Lingus, Air France, +16 more

Saturday

Aer Lingus, Air France, Air Tahiti Nui, +15 more

Aer Lingus, Air France, +16 more

Sunday

Aer Lingus, Air France, Air Tahiti Nui, +15 more

Aer Lingus, Air France, +16 more

See more direct flights
See more direct flights

Top 5 airlines serving from Seattle to Boston

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Boston. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Boston? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 9197 reviews
7.9Comfort
8.6Crew
7.3Entertainment
7.3Food
8.2Boarding
Airline reviews

Cabin crew very friendly and pleasant. Flight left late but we didn't know why. Alaska Airlines app was not user friendly -- app wouldn't let us upgrade our seats, but no indication if flight was full. We wound up having to call the airline to request an upgrade and we were told none was available. Waste of time. Baggage retrieval was easy.

8.0 ExcellentElaine, May 2024SEA - PHL
Read more about Alaska Airlines reviews

Cabin crew very friendly and pleasant. Flight left late but we didn't know why. Alaska Airlines app was not user friendly -- app wouldn't let us upgrade our seats, but no indication if flight was full. We wound up having to call the airline to request an upgrade and we were told none was available. Waste of time. Baggage retrieval was easy.

The boarding gate is literally just an aisle to the concourse. There is no seating and it's shared with several other airlines. It's crowded, hot, and standing-room only. It's difficult to hear gate announcements over the PA system with too many other carriers crammed into a small space. I've enjoyed flying AA in the past on the west coast, but the BNA single gate experience is horrendous! Never again from BNA to SEA with AA.

It was a partial full flight. But even with a spare seat it was hard to get comfortable More on me being a wide body probably

Our flights using Alaska Airlines went great! All of the flight attendants were very friendly. Big shout out to the pilots for getting us to and from our destinations safely!

I can’t complain. Perhaps passing out headphones, but it was on me to bring my own since I could have used some for my personal device.

I liked only the crew. The flyght was too much fast, faster than it should be, on 20 min faster, but not safer, I experienced on myself astranautic overload from suddenly appearing in the sky and all the vibrations of the turbines, because I had my place at the level of the wings. Pregnant woman should not be seated on the level of the wings with all turbines, pregnant woman should be offered to charge place to seat closer to front or in the back, but not at the level of all the turbines. Vibrations of turbines are not healthy for pregnancy. I hold all the flight my belly in my hands to avoid miscarriage. If it would be longer flying distances, I could have miscarriage with Alaskan airlines.

I didn't have food or use entertainment, so those evaluations are invalid.

I do not feel the priority seating I paid for was was adequate for the cost. there was no difference from coach on any other airline, and it was very uncomfortable

First flights on Alaska Air, and I will go out of my way to fly them whenever I can in the future. An incredible experience, above and beyond any other airline.

It was warm on the plane. Perhaps the people who were coughing quite often should be encouraged to wear a mask?! It was a long 4 hours.

Rated entertainment as Mediocre as there were major problems with the Infotainment system that took probably a half hour for them to fix.

Absolutely nothing flight was cancelled and delayed for 2 days. Barely a heads up I want a full refund

The plane from SNA wouldn’t start after 5 tries. The team gave me an option of flying direct from LAX and giving me a Lyft ride there! Perfect!

The boarding was horrible. You couldn’t hear the announcements at all. Probably because there is so much in the area for businesses. They need a louder PA system. Other than that it was a good Delta experience.

Had a broken tray in business class. Crew just shrugged it off.

Everything was great except for the seat. The backrest would not stay in the upright position.

public website still broken for years randomly blocking browsers with privacy options active after loading a page maybe once. check-in on laptop was almost impossible but eventually randomly worked. had to print pass at airport since couldn't get back in to load digital pass on mobile firefox or chrome. red eye flight so smooth onboarding, plenty of room to spread out, easy offboarding. onboard wifi instructions mention vpn can cause problems connecting but fails to also mention private dns. no printed or built in menu list, seems weird to require personal device to point at qr code link for menu which does not even allow direct ordering. people with health condition risk related dietary restrictions trying to avoid for example cholesterol and sugar are left guessing what they can order either way without nutritional info highlights (cranberry juice was minute maid cocktail with as much suger as typical can of soda). tap to pay wasn't working and always seems sketchy to manually enter card info. good movie variety, so limited tv was okay.

Bag drop off was slow and annoying. Only 2 agents at the entire delta desk, and no one directing traffic for what line to be in, many confused people slowed down the process. Boarding was fine. Seats in Delta comfort plus were fine. Snacks were great! Definitely a bonus. The entertainment system was awful — old, slow, not responsive, and completely unable to play games due to some kind of error. But on the other hand, thank you to Delta for the free WiFi. That made it better.

Flight diverted in SD. Later take off in Seattle by 1.3hrs

Terrible. Delta delays caused us to miss our flight and they did nothing to fix it.

Great! I love Jet Blue. My favorite airline! Very efficient, clean and timely.

We were told that our flight would be delayed for 90+ minutes because of weather, so we went to get something to eat only to have them randomly start boarding 15 minutes after the announcement, with no warning.

Entertainment... No earphones passed out. Many including me couldn't use the TV. Legroom was good. Crew was indifferent and a bit surly. Free wifi was a nice convenience. Check in desk location was unknown. Gate number on the boarding passes was wrong.

Confusing. Delay updates were out of whack At one point it said my flight was 25 hours. Three gate changes and two delays only to change back to original departure time. Gate announcer and on board flight attendant (Alejandro) making the announcements was impossible to understand due to accent and speed of speech. After beverage service the rear flight attendants sat back there on their phones. No refills no checking in, one sweep through for trash collection. Very impersonal. Bring back Coke products

Business class is great. New airplane, very comfortable, better than some of the major airlines I am used to

Delayed by almost an hour - I also noticed that all JetBlue flights departing from PBI were delayed yet the weather was perfect.

I loved the wifi, much better than Delta. Seats were old. and bathrooms dingy.

There was no wheelchair or wheelchair escort at the gate..unacceptable

Delayed 4 hours because of maintenance issue they knew about all day. Get another plane. Time is precious!

I liked that boarding and take off were timely despite a 15 minute delay due to weather. The pilot communicated with us the entire flight keeping us informed re: turbulance and slight delays on the runway after we landed.

The flight and boarding were easy peasy. I was traveling with my 4-year-old, so a smooth boarding experience was especially appreciated. My only piece of feedback is really about where our gate was in O'Hare. They've shoved four gates into a tiny corner of the B terminal and there isn't early enough room or seating for everyone. Not United's problem, but did dent the overall experience.

Dinner was okay but the breakfast was not eatable on the flight San Francisco to Zurich.

There was no screens on board AND the WiFi didn’t work. My seat was broken and couldn’t recline so I couldn’t even sleep. The flight attendants didn’t offer anything to make it more comfortable. It was such an old cramped plane, when the person in front of me reclined I couldn’t even open my tray table. All the United ads talk about guaranteeing everyone gets a screen!

The Wi-Fi was unavailable on this flight for some reason.

On time take off…US cabins look tired and need of refresh!

Fantastic. Smooth boarding with an infant. Never experienced it with any other carriers.

This was a Lufthansa flight, not United. The CSA at the counter, Ashley, was not only incompetent, but quite rude. Me and two other PAX waited over 7 minutes standing in front of her and another CSA and they ignored us. We joked that we must have accidently taken invisibility pills. She could have at least said "I'll be with you in a moment, I'm currently....". I could go on about how rude she and the other CSAs were (whispering, not communicating with me, blaming the situation on others, etc.). She would not work for me. Then, she gave me literally the worst seat on the plane. the worst. My seat kept getting bumped (rammed twice by the crew with their carts and about every 5 minutes by someone using the bathroom), listening to the bathroom all night, crowded seat, etc.

My seat was broken. WiFi didn’t work. Gate crew at HOU were rude and condescending. Treated all the passengers badly. Bad experience, United.

First flight of the day… MINIMUM FUEL! 15 minute landing delay at HOU due to fog turned into a 2+ hour delay! Rather than circle, they had to divert to another city to refuel! Sat on tarmac at Austin to refuel. We ALL missed our connections! The crew, including pilots, were clueless. Crew was really a mess. At HOU, Untied employees were exceedingly rude to all. It was pitiful.

An hour and a half late is UNACCEPTABLE. The negative impact to our family is unconscionable. And for the price we were forced to pay...

Nothing, terrible travel experience due to weather and maintenance delays and was left stranded in Austin.

My husband and I pre-ordered our food, but they did not have my husband’s order, and my cheese plate was very average. I asked for a blanket and was told they don’t carry blankets on domestic routs. The flight was on time and smooth!

28 hour delay at Fort Worth/Dallas airport, part due to weather which was unavoidable, but various other reasons - no pilot, no fa, mechanical problem, plane too small, too big, crew out of flying time, seat configuration problems.... endless and hourly updates with a different excuse. Finally told us about 3.00 am, that the flight was delayed to hours later.

Experience was bad. 3.5 hour delay for a 2.5 hour trip. There was no r Transparency about the reason for the delay and it was done 30 mins at a time.

The boarding process and flight were great. However, I waited about 40 minutes for my luggage. It did not come up on the designated belt. Instead, everyone’s bags were on a cart. Not sure what the issue was, but we were not informed until another passenger went looking for her bags and found them.

There were delays on both ends. It made it less than excellent. This plane was great though

AA1537 the AC was not working properly. It was very hot and uncomfortable.

Worst experience flying American Airlines. I fly with them often, so I was super disappointed in the service I received at gate 30 in LGA on May 24, mid-day. The flight was delayed twice. I was patiently waiting in the American Airlines lounge when I received the notice on my app that the plane was boarding 45 minutes before its newly re-scheduled take off of 4 pm (from the orginal 1:45 pm then 3:00 pm). It took me 5 min to travel from the lounge to the gate and when I arrived there at 3:20 flight gate attendant told me the flight had closed and that they announced for passengers multiple times. I showed them the notification on my app and they were really rude and unempathetic. The person who rescheduled my flight at customer service wasn't any happier but was at least helpful in getting me on the next flight.

Those seats were way too narrow. I had the middle seat, one person was a very skinny person and we still couldn’t avoid touching each other anytime one of us moved. The other person was larger and we were basically sitting in each others lap the entire flight. There was zero entertainment. The flight was long enough to justify tvs, but no. Gotta sit there in your infant seat and twiddle your thumbs.

Delayed abs delayed Gate crew giving poor info - we are definitely leaving at —- Ultimately to cancel flight after 4+ hours of delays Just cancel it earlier

Book cheap flights from Seattle to Boston

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Seattle to Boston found on KAYAK in the last 72 hours.
8/27Tue
1 stopSpirit Airlines
10h 37mSEA-BOS
$88
8/28Wed
2 stopsSpirit Airlines
15h 10mSEA-BOS
$89
9/3Tue
1 stopAmerican Airlines
10h 59mSEA-BOS
$122
9/4Wed
1 stopAmerican Airlines
12h 28mSEA-BOS
$154
7/23Tue
1 stopJetBlue
10h 13mSEA-BOS
$163
10/27Sun
nonstopDelta
5h 20mSEA-BOS
$184
8/9Fri
1 stopJetBlue
10h 10mSEA-BOS
$188
7/30Tue
nonstopAlaska Airlines
5h 19mSEA-BOS
$189
8/30Fri
1 stopAlaska Airlines
9h 35mSEA-BOS
$193
6/6Thu
nonstopDelta
5h 32mSEA-BOS
$199

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Last minute flights from Seattle to Boston

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Seattle to Boston that are departing in the next 10 days.
6/3Mon
multi-stop
14h 18mSEA-BOS
6/11Tue
multi-stop
24h 36mBOS-SEA
$319
6/5Wed
multi-stopSpirit Airlines
21h 55mSEA-BOS
6/12Wed
multi-stopSpirit Airlines
21h 06mBOS-SEA
$342
6/3Mon
multi-stop
14h 18mSEA-BOS
6/12Wed
multi-stop
19h 50mBOS-SEA
$350
6/5Wed
multi-stopDelta
7h 10mSEA-BOS
6/12Wed
nonstopDelta
6h 17mBOS-SEA
$470
6/5Wed
multi-stopDelta
7h 10mSEA-BOS
6/8Sat
nonstopDelta
6h 17mBOS-SEA
$472
6/3Mon
nonstopAlaska Airlines
5h 24mSEA-BOS
6/17Mon
nonstopAlaska Airlines
6h 23mBOS-SEA
$502
6/4Tue
multi-stopAmerican Airlines
10h 42mSEA-BOS
6/12Wed
multi-stopAmerican Airlines
9h 27mBOS-SEA
$521
6/4Tue
nonstopAlaska Airlines
5h 24mSEA-BOS
6/20Thu
nonstopAlaska Airlines
6h 23mBOS-SEA
$527
6/2Sun
multi-stopAmerican Airlines
8h 57mSEA-BOS
6/12Wed
multi-stopAmerican Airlines
10h 13mBOS-SEA
$556
6/2Sun
nonstopJetBlue
5h 29mSEA-BOS
6/16Sun
nonstopJetBlue
6h 13mBOS-SEA
$567

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Seattle - Boston Flights

Departure:

Seattle (SEA)United States

Destination:

Boston (BOS)United States

Return flight deals:

Boston - Seattle

Cabin classes:

$1,008
$1,151
$755
$183