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Find cheap flights from Washington to South Korea from $458

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
Tue 7/2
Tue 7/9

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In the last 7 days travelers have searched 42,335,261 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

October

Cheapest flight

$458
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

9/14Sat
1 stopChina Airlines
17h 30mSEA-ICN
9/26Thu
1 stopChina Airlines
14h 40mICN-SEA
$945
9/30Mon
1 stopChina Airlines
26h 35mSEA-ICN
10/24Thu
1 stopChina Airlines
22h 55mICN-SEA
$946
11/17Sun
1 stopTurkish Airlines
30h 20mSEA-ICN
11/25Mon
1 stopTurkish Airlines
33h 55mICN-SEA
$1,009
10/14Mon
1 stopTurkish Airlines
31h 00mSEA-ICN
10/30Wed
1 stopTurkish Airlines
33h 55mICN-SEA
$1,023
9/3Tue
1 stopEVA Air
26h 15mSEA-ICN
9/11Wed
1 stopEVA Air
23h 30mICN-SEA
$1,037
9/20Fri
1 stop
27h 50mSEA-ICN
9/25Wed
2 stops
23h 27mICN-SEA
$1,040
9/13Fri
1 stop
27h 50mSEA-ICN
9/25Wed
2 stops
23h 27mICN-SEA
$1,042
9/16Mon
1 stopAir Canada
29h 00mSEA-ICN
10/16Wed
1 stopAir Canada
12h 30mICN-SEA
$1,051
10/1Tue
1 stopAir Canada
18h 15mSEA-ICN
10/24Thu
1 stopAir Canada
20h 20mICN-SEA
$1,055
8/28Wed
1 stopEVA Air
16h 50mSEA-ICN
9/30Mon
1 stopEVA Air
15h 45mICN-SEA
$1,066

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Recent one-way flight deals

7/16Tue
3 stops
59h 00mPDX-ICN
$458
7/23Tue
2 stops
53h 05mSEA-ICN
$463
10/19Sat
1 stopHawaiian Airlines
18h 30mPDX-ICN
$549
9/30Mon
1 stopChina Airlines
26h 35mSEA-ICN
$552
9/2Mon
1 stopChina Airlines
17h 30mSEA-ICN
$592
8/25Sun
2 stopsCathay Pacific
30h 54mPDX-ICN
$593
9/1Sun
1 stopHawaiian Airlines
18h 15mSEA-ICN
$612
9/3Tue
1 stopAir Canada
18h 05mPDX-ICN
$626
7/14Sun
1 stopAir Canada
29h 10mPDX-ICN
$673
9/22Sun
2 stopsCathay Pacific
41h 49mSEA-ICN
$732

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Last minute flights from Washington to South Korea

Last minute flight, train and bus deals

6/5Wed
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/12Wed
multi-stopTurkish Airlines
46h 20mICN-SEA
$1,202
6/5Wed
multi-stopTurkish Airlines
31h 00mSEA-ICN
7/8Mon
multi-stopTurkish Airlines
46h 15mICN-SEA
$1,278
6/3Mon
multi-stop
19h 00mSEA-ICN
6/29Sat
multi-stop
20h 51mICN-SEA
$1,377
6/6Thu
multi-stop
18h 10mSEA-ICN
6/18Tue
multi-stop
20h 51mICN-SEA
$1,454
6/7Fri
multi-stopAir Canada
29h 00mSEA-ICN
6/18Tue
multi-stopAir Canada
16h 26mICN-SEA
$1,731
6/3Mon
multi-stopUnited Airlines
24h 37mSEA-ICN
6/7Fri
multi-stopUnited Airlines
34h 35mICN-SEA
$1,784
6/3Mon
multi-stopAir Canada
18h 05mPDX-ICN
7/2Tue
multi-stopAir Canada
20h 12mICN-PDX
$1,798
6/6Thu
multi-stopCathay Pacific
33h 41mSEA-ICN
6/13Thu
multi-stopCathay Pacific
25h 34mICN-SEA
$1,835
6/3Mon
multi-stopUnited Airlines
27h 18mSEA-ICN
6/26Wed
multi-stopUnited Airlines
23h 16mICN-SEA
$1,842
6/4Tue
multi-stopCathay Pacific
24h 40mPDX-ICN
6/19Wed
multi-stopCathay Pacific
21h 47mICN-PDX
$2,568

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Flights to South Korea

Return flight deals:

South Korea - Washington

Cabin classes:

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