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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

8/26Mon
1 stopChina Airlines
17h 30mSEA-ICN
9/16Mon
1 stopChina Airlines
14h 40mICN-SEA
$908
10/28Mon
1 stopChina Airlines
25h 25mSEA-PUS
11/12Tue
1 stopChina Airlines
23h 15mPUS-SEA
$910
11/17Sun
1 stopTurkish Airlines
30h 20mSEA-ICN
11/25Mon
1 stopTurkish Airlines
33h 55mICN-SEA
$1,009
11/5Tue
1 stopTurkish Airlines
30h 20mSEA-ICN
11/11Mon
1 stopTurkish Airlines
33h 55mICN-SEA
$1,023
9/4Wed
1 stopEVA Air
25h 15mSEA-ICN
9/25Wed
1 stopEVA Air
23h 30mICN-SEA
$1,034
9/3Tue
1 stopEVA Air
26h 15mSEA-ICN
9/11Wed
1 stopEVA Air
23h 30mICN-SEA
$1,037
10/2Wed
2 stops
37h 59mPDX-ICN
10/16Wed
2 stops
21h 39mICN-PDX
$1,048
10/2Wed
1 stopAir Canada
29h 00mSEA-ICN
10/23Wed
1 stopAir Canada
20h 20mICN-SEA
$1,051
10/1Tue
1 stopAir Canada
18h 15mSEA-ICN
10/24Thu
1 stopAir Canada
20h 20mICN-SEA
$1,055
9/15Sun
2 stops
26h 40mSEA-ICN
9/26Thu
1 stop
12h 30mICN-SEA
$1,072

Search by stops

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Recent one-way flight deals

7/16Tue
3 stops
59h 00mPDX-ICN
$458
7/23Tue
2 stops
53h 05mSEA-ICN
$473
10/19Sat
1 stopHawaiian Airlines
18h 30mPDX-ICN
$549
9/30Mon
1 stopChina Airlines
26h 35mSEA-ICN
$552
8/22Thu
1 stopChina Airlines
17h 30mSEA-ICN
$559
8/25Sun
2 stopsCathay Pacific
30h 54mPDX-ICN
$593
8/25Sun
1 stopHawaiian Airlines
18h 30mPDX-ICN
$597
11/12Tue
1 stopAir Canada
18h 20mPDX-ICN
$625
9/3Tue
1 stopAir Canada
18h 05mPDX-ICN
$626
9/22Sun
2 stopsCathay Pacific
41h 49mSEA-ICN
$732

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Search by price

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
6/3Mon
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/11Tue
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,207
6/6Thu
multi-stop
18h 10mSEA-ICN
6/18Tue
multi-stop
20h 51mICN-SEA
$1,454
6/6Thu
multi-stop
18h 50mPDX-ICN
6/19Wed
multi-stop
20h 12mICN-PDX
$1,456
6/2Sun
multi-stopCathay Pacific
39h 50mSEA-ICN
6/26Wed
multi-stopCathay Pacific
28h 36mICN-SEA
$1,730
6/2Sun
multi-stopCathay Pacific
37h 20mSEA-ICN
6/6Thu
multi-stopCathay Pacific
34h 48mICN-SEA
$1,780
6/2Sun
multi-stopAir Canada
29h 00mSEA-ICN
6/27Thu
multi-stopAir Canada
12h 34mICN-SEA
$1,789
6/3Mon
multi-stopAir Canada
18h 05mPDX-ICN
7/2Tue
multi-stopAir Canada
20h 12mICN-PDX
$1,798
6/3Mon
multi-stopUnited Airlines
30h 35mSEA-ICN
8/21Wed
multi-stopUnited Airlines
27h 52mICN-SEA
$1,849
6/3Mon
multi-stopUnited Airlines
30h 35mSEA-ICN
6/26Wed
multi-stopUnited Airlines
21h 25mICN-SEA
$1,851

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Flights to South Korea

Return flight deals:

South Korea - Washington

Cabin classes:

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