$404 Find Cheap Flights from Washington to South Korea

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 1/11. 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

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In the last 7 days travelers have searched 47,107,125 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

October

Cheapest flight

$404
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly and prices are also 19% lower on average.
Flight from Seattle to Seoul Incheon Airport

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

2/4Tue
1 stopAir Canada
16h 30mSEA-ICN
2/18Tue
1 stopAir Canada
22h 05mICN-SEA
$821
12/5Thu
2 stops
32h 38mPDX-ICN
12/8Sun
1 stop
21h 49mICN-PDX
$821
2/20Thu
1 stopAlaska Airlines
19h 25mPDX-ICN
3/3Mon
1 stopAlaska Airlines
16h 45mICN-PDX
$837
2/23Sun
1 stopAlaska Airlines
19h 25mPDX-ICN
3/19Wed
1 stopAlaska Airlines
16h 08mICN-PDX
$838
1/23Thu
2 stopsChina Eastern
42h 20mPDX-ICN
2/5Wed
2 stopsChina Eastern
38h 24mICN-PDX
$848
2/4Tue
2 stopsChina Eastern
42h 20mPDX-ICN
3/4Tue
2 stopsChina Eastern
23h 30mICN-PDX
$849
1/8Wed
1 stopUnited Airlines
21h 15mSEA-ICN
1/31Fri
1 stopUnited Airlines
18h 08mICN-SEA
$902
2/9Sun
1 stopUnited Airlines
16h 15mSEA-ICN
2/26Wed
1 stopUnited Airlines
15h 27mICN-SEA
$903
12/1Sun
1 stopAmerican Airlines
22h 29mSEA-ICN
12/6Fri
1 stopAmerican Airlines
21h 19mICN-SEA
$916
2/15Sat
1 stopAmerican Airlines
31h 06mSEA-ICN
2/21Fri
2 stopsAmerican Airlines
33h 09mICN-SEA
$917

Search by stops

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Recent one-way flight deals

1/11Sat
2 stops
52h 40mSEA-ICN
$404
2/23Sun
2 stops
51h 33mSEA-ICN
$405
1/21Tue
1 stopAir Canada
31h 10mSEA-ICN
$461
11/26Tue
1 stopAir Canada
18h 00mSEA-ICN
$462
12/30Mon
nonstopAsiana Airlines
12h 05mSEA-ICN
$500
11/25Mon
2 stopsUnited Airlines
30h 05mSEA-ICN
$506
12/31Tue
nonstopAsiana Airlines
12h 05mSEA-ICN
$511
2/8Sat
2 stopsUnited Airlines
30h 25mSEA-ICN
$512
11/30Sat
1 stopAmerican Airlines
23h 46mPDX-ICN
$521
1/24Fri
1 stopAmerican Airlines
35h 47mSEA-ICN
$530

Search by stops

Search by airline

Search by price

Last minute flights from Washington to South Korea

Last minute flight, train and bus deals

11/23Sat
multi-stopAir Canada
28h 30mSEA-ICN
2/17Mon
multi-stopAir Canada
22h 05mICN-SEA
$856
11/25Mon
multi-stopUnited Airlines
28h 10mSEA-ICN
11/28Thu
multi-stopUnited Airlines
17h 08mICN-SEA
$907
11/22Fri
multi-stopAmerican Airlines
22h 14mSEA-ICN
11/25Mon
multi-stopAmerican Airlines
21h 10mICN-SEA
$917
11/23Sat
multi-stopAmerican Airlines
23h 46mSEA-ICN
12/7Sat
multi-stopAmerican Airlines
31h 45mICN-SEA
$924
11/25Mon
nonstopAsiana Airlines
12h 05mSEA-ICN
12/8Sun
nonstopAsiana Airlines
9h 40mICN-SEA
$941
11/25Mon
nonstopKorean Air
11h 55mSEA-ICN
11/28Thu
nonstopKorean Air
9h 50mICN-SEA
$942
11/23Sat
multi-stop
28h 30mSEA-ICN
12/7Sat
multi-stop
20h 50mICN-SEA
$947
11/25Mon
multi-stopKorean Air
17h 35mSEA-ICN
12/9Mon
nonstopKorean Air
9h 50mICN-SEA
$977
11/25Mon
multi-stop
32h 40mSEA-ICN
12/8Sun
multi-stop
27h 50mICN-SEA
$1,007
11/23Sat
nonstopAsiana Airlines
12h 05mSEA-ICN
11/25Mon
nonstopAsiana Airlines
9h 40mICN-SEA
$1,576

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Everything you need to know for your flight to South Korea

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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