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Find cheap flights from Washington to South Korea from $453

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 7/16. 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
Sun 7/7
Sun 7/14

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In the last 7 days travelers have searched 44,281,614 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

October

Cheapest flight

$453
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Portland 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

10/20Sun
1 stopTurkish Airlines
31h 00mSEA-ICN
11/6Wed
1 stopTurkish Airlines
47h 20mICN-SEA
$956
10/17Thu
1 stopTurkish Airlines
28h 30mSEA-ICN
11/4Mon
1 stopTurkish Airlines
47h 20mICN-SEA
$986
9/3Tue
1 stopEVA Air
18h 30mSEA-ICN
9/11Wed
1 stopEVA Air
15h 45mICN-SEA
$1,005
9/22Sun
1 stopChina Airlines
26h 35mSEA-ICN
10/7Mon
1 stopChina Airlines
14h 40mICN-SEA
$1,008
10/28Mon
1 stopChina Airlines
17h 40mSEA-PUS
11/12Tue
1 stopChina Airlines
23h 15mPUS-SEA
$1,027
9/14Sat
1 stopEVA Air
17h 30mSEA-ICN
9/26Thu
1 stopEVA Air
23h 30mICN-SEA
$1,039
9/17Tue
1 stopAir Canada
29h 00mSEA-ICN
10/1Tue
1 stopAir Canada
16h 26mICN-SEA
$1,050
9/18Wed
1 stopAir Canada
29h 00mSEA-ICN
9/24Tue
1 stopAir Canada
16h 26mICN-SEA
$1,051
10/11Fri
1 stopPhilippine Airlines
27h 45mSEA-ICN
10/19Sat
1 stopPhilippine Airlines
38h 50mICN-SEA
$1,061
11/8Fri
2 stopsPhilippine Airlines
38h 50mSEA-ICN
11/23Sat
1 stopPhilippine Airlines
38h 40mICN-SEA
$1,181

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Recent one-way flight deals

7/16Tue
3 stops
59h 00mPDX-ICN
$453
7/23Tue
3 stops
52h 05mSEA-ICN
$467
10/13Sun
1 stopHawaiian Airlines
18h 30mPDX-ICN
$489
10/19Sat
1 stopHawaiian Airlines
18h 30mPDX-ICN
$549
8/25Sun
1 stopWestJet
15h 25mPDX-ICN
$569
9/22Sun
1 stopEVA Air
17h 30mSEA-ICN
$596
9/30Mon
1 stopChina Airlines
26h 35mSEA-ICN
$604
9/3Tue
1 stopEVA Air
25h 15mSEA-ICN
$611
8/22Thu
1 stopChina Airlines
26h 05mSEA-ICN
$633
8/10Sat
3 stopsWestJet
29h 45mSEA-ICN
$875

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Last minute flights from Washington to South Korea

Last minute flight, train and bus deals

6/10Mon
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/17Mon
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,285
6/10Mon
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/12Wed
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,358
6/11Tue
multi-stop
18h 30mSEA-ICN
6/22Sat
multi-stop
20h 51mICN-SEA
$1,403
6/11Tue
multi-stop
18h 30mSEA-ICN
6/18Tue
multi-stop
20h 51mICN-SEA
$1,412
6/12Wed
multi-stopAir Canada
18h 10mSEA-ICN
9/10Tue
multi-stopAir Canada
12h 30mICN-SEA
$1,612
6/11Tue
multi-stopCathay Pacific
34h 45mSEA-ICN
9/2Mon
multi-stopCathay Pacific
32h 15mICN-SEA
$1,770
6/12Wed
multi-stopAir Canada
18h 10mSEA-ICN
7/17Wed
multi-stopAir Canada
20h 20mICN-SEA
$1,870
6/11Tue
multi-stopJapan Airlines
16h 30mSEA-GMP
7/12Fri
multi-stopJapan Airlines
22h 36mGMP-SEA
$1,887
6/11Tue
multi-stopJapan Airlines
16h 30mSEA-GMP
7/12Fri
multi-stopJapan Airlines
18h 40mGMP-SEA
$1,947
6/11Tue
multi-stopCathay Pacific
44h 25mSEA-ICN
8/12Mon
multi-stopCathay Pacific
45h 29mICN-SEA
$2,002

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Flights to South Korea

Return flight deals:

South Korea - Washington

Cabin classes:

$1,697
$2,521
$2,883
$869