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$489 Find cheap flights from Washington to Seoul

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seoul departing on 10/22. 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
Sat 6/29
Sat 7/6

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In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

April

Cheapest flight

$489
Best time to beat the crowds with an average 13% drop in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Portland to Incheon

FAQs for booking flights from Washington to Seoul

  • How does KAYAK find such low prices on flights from Washington to Seoul?

    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 Washington to Seoul.

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

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

    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 Seoul with an airline and back to Washington with another airline.

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

    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 Seoul from Washington 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 Washington to Seoul?

Find which airlines fly direct from Washington to Seoul, which days they fly and book direct flights.

Nonstop departures

Washington to Seoul

Monday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Tuesday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Wednesday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Thursday

ANA, Air Busan, Air China, +14 more

ANA, Air Busan, +15 more

Friday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Saturday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Sunday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

See more direct flights

Nonstop returns

Seoul to Washington

Monday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Tuesday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Wednesday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Thursday

ANA, Air Busan, Air China, +14 more

ANA, Air Busan, +15 more

Friday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Saturday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

Sunday

ANA, Air Busan, Air China, +15 more

ANA, Air Busan, +16 more

See more direct flights
See more direct flights

Book cheap flights from Washington to Seoul

Recent round-trip flight deals

10/27Sun
2 stops
31h 32mSEA-GMP
11/20Wed
1 stop
17h 50mGMP-SEA
$1,034
9/1Sun
3 stopsAmerican Airlines
32h 15mPSC-ICN
9/17Tue
3 stopsAmerican Airlines
36h 07mICN-PSC
$1,088
11/3Sun
1 stopEVA Air
24h 50mSEA-GMP
11/15Fri
1 stopEVA Air
21h 20mGMP-SEA
$1,109
8/19Mon
2 stopsCathay Pacific
33h 16mPDX-ICN
11/14Thu
2 stopsCathay Pacific
27h 39mICN-PDX
$1,135
8/19Mon
2 stopsCathay Pacific
33h 16mPDX-ICN
11/12Tue
2 stopsCathay Pacific
35h 25mICN-PDX
$1,142
8/18Sun
1 stopAir Canada
29h 10mPDX-ICN
11/11Mon
1 stopAir Canada
15h 36mICN-PDX
$1,147
9/2Mon
1 stopEVA Air
25h 45mSEA-GMP
2/1Sat
1 stopEVA Air
21h 20mGMP-SEA
$1,167
9/1Sun
1 stopAir Canada
32h 40mPDX-ICN
9/16Mon
1 stopAir Canada
12h 47mICN-PDX
$1,169
8/26Mon
nonstopAsiana Airlines
11h 25mSEA-ICN
9/7Sat
nonstopAsiana Airlines
10h 30mICN-SEA
$1,251
8/15Thu
nonstopAsiana Airlines
11h 25mSEA-ICN
9/5Thu
nonstopAsiana Airlines
10h 30mICN-SEA
$1,332

Search by stops

Search by airline

Search by price

Recent one-way flight deals

10/22Tue
1 stopHawaiian Airlines
18h 30mPDX-ICN
$489
7/31Wed
2 stops
50h 50mPDX-ICN
$542
8/26Mon
2 stopsCathay Pacific
27h 26mPDX-ICN
$593
9/23Mon
1 stopAir Canada
18h 05mPDX-ICN
$646
10/13Sun
1 stopAir Canada
29h 10mPDX-ICN
$649
8/29Thu
1 stopEVA Air
18h 40mSEA-GMP
$649
8/14Wed
1 stopEVA Air
18h 40mSEA-GMP
$655
7/21Sun
1 stopAmerican Airlines
22h 16mPDX-ICN
$682
7/22Mon
2 stopsAmerican Airlines
32h 30mPDX-ICN
$702
7/17Wed
2 stopsCathay Pacific
34h 03mSEA-ICN
$936

Search by stops

Search by airline

Search by price

Last minute flights from Washington to Seoul

Last minute flight, train and bus deals

6/3Mon
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/13Thu
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,203
6/2Sun
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/13Thu
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,211
6/2Sun
multi-stop
25h 30mSEA-ICN
10/2Wed
multi-stop
21h 45mICN-SEA
$1,314
6/2Sun
multi-stop
29h 25mSEA-ICN
10/1Tue
multi-stop
34h 10mICN-SEA
$1,349
6/2Sun
multi-stopCathay Pacific
37h 20mSEA-ICN
6/26Wed
multi-stopCathay Pacific
33h 41mICN-SEA
$1,730
6/4Tue
multi-stopJapan Airlines
16h 30mSEA-GMP
7/31Wed
multi-stopJapan Airlines
31h 15mGMP-SEA
$1,737
6/2Sun
multi-stopAir Canada
29h 10mPDX-ICN
8/22Thu
multi-stopAir Canada
12h 47mICN-PDX
$1,748
6/3Mon
multi-stopAir Canada
32h 40mPDX-ICN
8/22Thu
multi-stopAir Canada
12h 47mICN-PDX
$1,751
6/2Sun
multi-stopCathay Pacific
44h 25mSEA-ICN
6/6Thu
multi-stopCathay Pacific
29h 43mICN-SEA
$1,780
6/4Tue
multi-stopJapan Airlines
16h 30mSEA-GMP
8/1Thu
multi-stopJapan Airlines
31h 15mGMP-SEA
$1,787

Search by stops

Search by airline

Search by price

Flights to Seoul

Return flight deals:

Seoul - Washington

Cabin classes:

$1,697
$3,655
$2,569
$850