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Find cheap flights from Missouri to Seattle from $66

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 6/11. 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
mié. 6/12
mié. 6/19

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Good to know

Low season

January

High season

July

Cheapest flight

$66
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 21% increase in price.
Flight from St. Louis to Seattle

FAQs for booking flights from Missouri to Seattle

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

    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 Missouri to Seattle.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Missouri 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 Missouri to Seattle?

    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 Seattle with an airline and back to Missouri with another airline.

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

    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 Seattle from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Missouri to Seattle?

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

Nonstop departures

Missouri to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Missouri

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Book cheap flights from Missouri to Seattle

Recent round-trip flight deals

6/4mar.
1 stop
10h 17mSTL-SEA
6/11mar.
1 stop
13h 24mSEA-STL
$139
6/4mar.
1 stopFrontier
13h 17mMCI-SEA
6/11mar.
1 stopFrontier
21h 04mSEA-MCI
$149
6/5mié.
1 stopSpirit Airlines
12h 30mMCI-SEA
6/11mar.
1 stopSpirit Airlines
6h 28mSEA-MCI
$172
6/5mié.
1 stopSpirit Airlines
12h 30mMCI-SEA
6/10lun.
1 stopSpirit Airlines
7h 10mSEA-MCI
$197
8/21mié.
1 stopAmerican Airlines
9h 04mSTL-SEA
8/27mar.
1 stopAmerican Airlines
6h 46mSEA-STL
$197
8/20mar.
1 stopAmerican Airlines
9h 17mSTL-SEA
8/26lun.
1 stopAmerican Airlines
6h 46mSEA-STL
$198
8/28mié.
1 stopDelta
6h 58mSTL-SEA
8/30vie.
1 stopDelta
7h 20mSEA-STL
$216
8/10sáb.
1 stopUnited Airlines
7h 50mSTL-SEA
8/19lun.
1 stopUnited Airlines
9h 08mSEA-STL
$221
9/18mié.
1 stopDelta
7h 00mSTL-SEA
9/24mar.
1 stopDelta
7h 20mSEA-STL
$232
7/20sáb.
1 stopUnited Airlines
7h 50mSTL-SEA
7/25jue.
1 stopUnited Airlines
9h 28mSEA-STL
$300

Search by stops

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Recent one-way flight deals

6/11mar.
2 stopsSpirit Airlines
22h 35mSTL-SEA
$66
6/11mar.
2 stopsSpirit Airlines
22h 35mSTL-SEA
$67
6/3lun.
1 stopFrontier
25h 10mSTL-SEA
$95
8/19lun.
1 stopFrontier
14h 52mMCI-SEA
$96
8/13mar.
1 stopAmerican Airlines
9h 17mSTL-SEA
$99
6/25mar.
1 stopDelta
7h 34mSTL-SEA
$113
6/12mié.
nonstopAlaska Airlines
4h 14mSTL-SEA
$119
8/11dom.
1 stopDelta
6h 58mSTL-SEA
$124
6/3lun.
nonstopAlaska Airlines
4h 19mSTL-SEA
$139
7/2mar.
1 stopAmerican Airlines
9h 25mSTL-SEA
$189

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Search by airline

Search by price

Last minute flights from Missouri to Seattle

Last minute flight, train and bus deals

5/17vie.
multi-stopFrontier
11h 49mSTL-SEA
5/31vie.
multi-stopFrontier
9h 01mSEA-STL
$245
5/15mié.
multi-stopFrontier
14h 26mSTL-SEA
5/20lun.
multi-stopFrontier
12h 13mSEA-STL
$274
5/14mar.
multi-stopAmerican Airlines
7h 57mSTL-SEA
5/18sáb.
multi-stopAmerican Airlines
9h 13mSEA-STL
$275
5/14mar.
multi-stopAmerican Airlines
7h 57mSTL-SEA
5/17vie.
multi-stopAmerican Airlines
9h 16mSEA-STL
$276
5/14mar.
multi-stopUnited Airlines
7h 55mSTL-SEA
5/15mié.
multi-stopUnited Airlines
8h 29mSEA-STL
$366
5/14mar.
multi-stopUnited Airlines
7h 55mSTL-SEA
5/18sáb.
multi-stopUnited Airlines
11h 54mSEA-STL
$371
5/17vie.
multi-stop
11h 49mSTL-SEA
5/31vie.
nonstop
4h 01mSEA-STL
$383
5/17vie.
multi-stop
15h 38mMCI-SEA
5/19dom.
multi-stop
6h 30mSEA-MCI
$407
5/14mar.
multi-stopDelta
6h 25mSTL-SEA
5/14mar.
multi-stopDelta
8h 30mSEA-STL
$457
5/14mar.
multi-stopDelta
6h 25mSTL-SEA
5/14mar.
multi-stopDelta
8h 30mSEA-STL
$542

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Missouri

Cabin classes:

$936
$253
$865
$193