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Find cheap flights from Washington to Seoul Gimpo Intl from $614

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 9/29. 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
土 6/8
土 6/15

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Cheapest flight

$614
Flight from Seattle to Seoul

FAQs for booking Washington to Seoul Gimpo Intl flights

  • 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 Gimpo Intl, which days they fly and book direct flights.

Nonstop departures

Washington to Seoul Gimpo Intl

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 Gimpo Intl 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

9/4
1 stopEVA Air
19h 20mSEA-GMP
9/21
1 stopEVA Air
21h 40mGMP-SEA
$1,075
7/8
2 stops
31h 43mSEA-GMP
7/23
1 stop
22h 45mGMP-SEA
$1,135
8/8
1 stopEVA Air
19h 40mSEA-GMP
8/31
1 stopEVA Air
21h 20mGMP-SEA
$1,310
10/27
2 stops
40h 05mSEA-GMP
11/16
1 stop
21h 20mGMP-SEA
$1,333
10/3
1 stopANA
33h 55mSEA-GMP
10/17
2 stopsANA
21h 46mGMP-SEA
$1,344
10/3
1 stopJapan Airlines
36h 30mSEA-GMP
10/17
1 stopJapan Airlines
18h 30mGMP-SEA
$1,346
10/3
1 stopJapan Airlines
16h 30mSEA-GMP
10/30
2 stopsJapan Airlines
18h 29mGMP-SEA
$1,352
10/3
1 stopJapan Airlines
16h 30mSEA-GMP
10/30
1 stopJapan Airlines
19h 05mGMP-SEA
$1,354
9/5
1 stopJapan Airlines
16h 30mSEA-GMP
9/21
1 stopJapan Airlines
31h 05mGMP-SEA
$1,356
10/1
2 stopsANA
26h 39mSEA-GMP
10/24
2 stopsANA
21h 46mGMP-SEA
$1,365

Search by stops

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Recent one-way flight deals

9/29
1 stopEVA Air
24h 30mSEA-GMP
$614
8/8
1 stopEVA Air
19h 40mSEA-GMP
$652
9/7
3 stops
52h 54mSEA-GMP
$663
9/6
2 stops
39h 20mSEA-GMP
$676
8/7
1 stopEVA Air
18h 40mSEA-GMP
$677
8/5
1 stopEVA Air
25h 05mSEA-GMP
$700
9/30
2 stopsJapan Airlines
31h 19mSEA-GMP
$759
9/30
1 stopJapan Airlines
16h 30mSEA-GMP
$763
9/4
2 stopsANA
29h 55mSEA-GMP
$774
9/4
1 stopANA
26h 25mSEA-GMP
$783

Search by stops

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Search by price

Last minute flights from Washington to Seoul

Last minute flight, train and bus deals

5/13
multi-stop
34h 15mSEA-GMP
6/13
multi-stop
25h 36mGMP-SEA
$1,305
5/13
multi-stop
34h 15mSEA-GMP
6/7
multi-stop
23h 51mGMP-SEA
$1,345
5/10
multi-stop
34h 15mSEA-GMP
5/29
multi-stop
23h 51mGMP-SEA
$1,420
5/13
multi-stopANA
26h 25mSEA-GMP
5/27
multi-stopANA
17h 45mGMP-SEA
$1,426
5/13
multi-stopANA
26h 25mSEA-GMP
5/27
multi-stopANA
33h 06mGMP-SEA
$1,429
5/9
multi-stopANA
26h 25mSEA-GMP
5/16
multi-stopANA
22h 45mGMP-SEA
$1,476
5/13
multi-stop
32h 25mSEA-GMP
5/27
multi-stop
17h 45mGMP-SEA
$1,491
5/13
multi-stopJapan Airlines
33h 55mSEA-GMP
6/10
multi-stopJapan Airlines
18h 40mGMP-SEA
$1,778
5/13
multi-stopJapan Airlines
33h 55mSEA-GMP
5/21
multi-stopJapan Airlines
38h 10mGMP-SEA
$1,857
5/10
multi-stopJapan Airlines
33h 55mSEA-GMP
5/29
multi-stopJapan Airlines
31h 05mGMP-SEA
$1,878

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Flights to Seoul

Destination:

Seoul Gimpo Intl (GMP)South Korea

Return flight deals:

Seoul Gimpo Intl - Washington

Cabin classes: