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Find cheap flights from Washington to South Korea from $481

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington to South Korea departing on 8/24. 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 6/21
Fri 6/28

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In the last 7 days travelers have searched 43,423,329 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

October

Cheapest flight

$481
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly and prices are also 19% lower on average.
Flight from Seattle to Incheon

FAQs for booking flights from Washington to South Korea

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

    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 South Korea.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to South Korea 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 South Korea?

    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 South Korea 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 South Korea?

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

See more FAQs

Book cheap flights from Washington to South Korea

Recent round-trip flight deals

10/28Mon
1 stopChina Airlines
17h 40mSEA-PUS
11/12Tue
1 stopChina Airlines
23h 15mPUS-SEA
$904
9/24Tue
1 stopChina Airlines
18h 00mSEA-ICN
10/8Tue
1 stopChina Airlines
22h 55mICN-SEA
$907
9/30Mon
1 stopEVA Air
17h 30mSEA-ICN
10/7Mon
1 stopEVA Air
15h 45mICN-SEA
$1,002
10/20Sun
1 stopTurkish Airlines
31h 00mSEA-ICN
11/6Wed
1 stopTurkish Airlines
47h 20mICN-SEA
$1,025
10/20Sun
1 stopTurkish Airlines
31h 00mSEA-ICN
10/30Wed
1 stopTurkish Airlines
33h 55mICN-SEA
$1,026
9/17Tue
1 stopEVA Air
25h 15mSEA-ICN
10/2Wed
1 stopEVA Air
23h 30mICN-SEA
$1,031
8/28Wed
2 stops
34h 57mPDX-ICN
9/9Mon
2 stops
33h 27mICN-PDX
$1,073
9/2Mon
1 stopAir Canada
29h 00mSEA-ICN
11/28Thu
1 stopAir Canada
16h 41mICN-SEA
$1,077
8/14Wed
1 stopAir Canada
29h 00mSEA-ICN
9/23Mon
1 stopAir Canada
12h 30mICN-SEA
$1,079
11/11Mon
2 stops
27h 01mPDX-ICN
11/21Thu
2 stops
25h 24mICN-PDX
$1,081

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Recent one-way flight deals

8/24Sat
2 stops
34h 00mSEA-ICN
$481
8/27Tue
1 stopHawaiian Airlines
18h 30mPDX-ICN
$489
8/20Tue
1 stopWestJet
33h 25mSEA-ICN
$518
9/30Mon
1 stopChina Airlines
26h 35mSEA-ICN
$527
8/20Tue
1 stopChina Airlines
17h 30mSEA-ICN
$543
8/21Wed
1 stopWestJet
20h 40mSEA-ICN
$545
8/19Mon
1 stopEVA Air
24h 35mSEA-ICN
$611
8/19Mon
1 stopEVA Air
25h 05mSEA-GMP
$611
9/16Mon
1 stopAir Canada
29h 10mPDX-ICN
$649
8/25Sun
1 stopAir Canada
32h 40mPDX-ICN
$670

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Last minute flights from Washington to South Korea

Last minute flight, train and bus deals

5/27Mon
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/11Tue
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,204
5/27Mon
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/11Tue
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,205
5/26Sun
multi-stop
25h 50mSEA-ICN
6/10Mon
multi-stop
40h 24mICN-SEA
$1,318
5/26Sun
multi-stop
34h 45mSEA-ICN
6/10Mon
multi-stop
40h 24mICN-SEA
$1,353
5/23Thu
multi-stopCathay Pacific
35h 09mSEA-ICN
6/18Tue
multi-stopCathay Pacific
33h 41mICN-SEA
$1,566
5/23Thu
multi-stopCathay Pacific
43h 10mPDX-ICN
6/8Sat
multi-stopCathay Pacific
33h 19mICN-PDX
$1,676
5/27Mon
multi-stopJapan Airlines
33h 55mSEA-GMP
6/10Mon
multi-stopJapan Airlines
31h 15mGMP-SEA
$1,732
5/27Mon
multi-stopJapan Airlines
33h 55mSEA-GMP
6/4Tue
multi-stopJapan Airlines
31h 15mGMP-SEA
$1,733
5/27Mon
multi-stopQatar Airways
33h 05mSEA-ICN
6/10Mon
multi-stopQatar Airways
27h 10mICN-SEA
$1,794
5/27Mon
multi-stopQatar Airways
33h 05mSEA-ICN
6/10Mon
multi-stopQatar Airways
27h 10mICN-SEA
$1,854

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Flights to South Korea

Return flight deals:

South Korea - Washington

Cabin classes:

$1,697
$3,801
$1,990
$848