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Find cheap flights from Washington to Seoul from $526

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 9/30. 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
Fri 5/31
Fri 6/7

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In the last 7 days travelers have searched 43,740,974 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

April

Cheapest flight

$526
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Seattle 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

9/2Mon
1 stopChina Airlines
17h 30mSEA-ICN
9/26Thu
1 stopChina Airlines
14h 40mICN-SEA
$906
9/1Sun
1 stopChina Airlines
26h 05mSEA-ICN
9/5Thu
1 stopChina Airlines
23h 15mICN-SEA
$918
9/17Tue
1 stopEVA Air
17h 30mSEA-ICN
10/2Wed
1 stopEVA Air
15h 45mICN-SEA
$1,026
9/17Tue
1 stopEVA Air
17h 30mSEA-ICN
10/2Wed
1 stopEVA Air
15h 45mICN-SEA
$1,031
10/10Thu
1 stopTurkish Airlines
28h 30mSEA-ICN
10/16Wed
1 stopTurkish Airlines
40h 00mICN-SEA
$1,048
9/26Thu
1 stopTurkish Airlines
28h 30mSEA-ICN
10/30Wed
1 stopTurkish Airlines
33h 30mICN-SEA
$1,055
10/8Tue
1 stop
18h 00mSEA-ICN
10/30Wed
1 stop
16h 30mICN-SEA
$1,057
9/24Tue
1 stop
26h 35mSEA-ICN
11/4Mon
2 stops
20h 07mICN-SEA
$1,060
10/2Wed
1 stopPhilippine Airlines
27h 45mSEA-ICN
10/23Wed
1 stopPhilippine Airlines
27h 05mICN-SEA
$1,100
10/9Wed
1 stopPhilippine Airlines
27h 45mSEA-ICN
10/30Wed
1 stopPhilippine Airlines
27h 05mICN-SEA
$1,128

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/30Mon
1 stopChina Airlines
18h 00mSEA-ICN
$526
9/5Thu
2 stops
34h 00mSEA-ICN
$528
10/16Wed
1 stopWestJet
20h 40mSEA-ICN
$549
8/24Sat
1 stopWestJet
33h 25mSEA-ICN
$571
9/18Wed
1 stopEVA Air
25h 15mSEA-ICN
$591
9/2Mon
1 stopEVA Air
17h 30mSEA-ICN
$609
5/19Sun
1 stopHawaiian Airlines
19h 20mSEA-ICN
$672
9/3Tue
1 stopSingapore Airlines
29h 30mSEA-ICN
$699
8/22Thu
1 stopSingapore Airlines
29h 30mSEA-ICN
$701
5/21Tue
1 stopHawaiian Airlines
19h 20mSEA-ICN
$761

Search by stops

Search by airline

Search by price

Last minute flights from Washington to Seoul

Last minute flight, train and bus deals

5/5Sun
multi-stopTurkish Airlines
31h 00mSEA-ICN
5/27Mon
multi-stopTurkish Airlines
46h 20mICN-SEA
$1,077
5/5Sun
multi-stopTurkish Airlines
31h 00mSEA-ICN
5/12Sun
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,100
5/3Fri
multi-stop
26h 42mSEA-ICN
5/27Mon
multi-stop
28h 00mICN-SEA
$1,218
5/4Sat
multi-stop
15h 25mSEA-ICN
6/2Sun
multi-stop
39h 57mICN-SEA
$1,247
5/6Mon
nonstopAsiana Airlines
11h 25mSEA-ICN
5/14Tue
nonstopAsiana Airlines
10h 30mICN-SEA
$1,338
5/5Sun
multi-stopKorean Air
19h 05mSEA-ICN
5/27Mon
nonstopKorean Air
10h 35mICN-SEA
$1,360
5/2Thu
multi-stopUnited Airlines
15h 35mSEA-ICN
5/15Wed
multi-stopUnited Airlines
26h 04mICN-SEA
$1,367
5/2Thu
multi-stopKorean Air
19h 35mSEA-ICN
5/15Wed
nonstopKorean Air
10h 35mICN-SEA
$1,378
5/5Sun
multi-stopUnited Airlines
27h 17mSEA-ICN
5/13Mon
multi-stopUnited Airlines
25h 57mICN-SEA
$1,390
5/2Thu
nonstopAsiana Airlines
11h 25mSEA-ICN
5/12Sun
nonstopAsiana Airlines
10h 30mICN-SEA
$1,520

Search by stops

Search by airline

Search by price

Flights to Seoul

Return flight deals:

Seoul - Washington

Cabin classes:

$1,697
$2,619
$1,755
$887