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$462 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 9/21. 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 7/12
Fri 7/19

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In the last 7 days travelers have searched 44,148,666 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

October

Cheapest flight

$462
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 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

9/25Wed
2 stopsChina Eastern
37h 55mPDX-ICN
10/9Wed
2 stopsChina Eastern
39h 48mICN-PDX
$867
10/27Sun
1 stopTurkish Airlines
45h 05mSEA-ICN
11/25Mon
1 stopTurkish Airlines
33h 55mICN-SEA
$956
9/4Wed
1 stopEVA Air
25h 15mSEA-ICN
9/25Wed
1 stopEVA Air
23h 30mICN-SEA
$1,007
9/22Sun
1 stopChina Airlines
18h 00mSEA-ICN
9/30Mon
1 stopChina Airlines
14h 40mICN-SEA
$1,022
7/11Thu
1 stop
30h 30mSEA-ICN
9/10Tue
2 stops
40h 29mICN-SEA
$1,023
10/16Wed
3 stops
21h 50mSEA-ICN
10/24Thu
2 stops
34h 44mICN-SEA
$1,024
9/3Tue
1 stopChina Airlines
17h 30mSEA-ICN
9/23Mon
1 stopChina Airlines
14h 40mICN-SEA
$1,026
10/15Tue
1 stopEVA Air
25h 15mSEA-ICN
11/7Thu
1 stopEVA Air
15h 25mICN-SEA
$1,037
10/2Wed
1 stopAir Canada
18h 15mSEA-ICN
10/16Wed
1 stopAir Canada
12h 30mICN-SEA
$1,051
10/1Tue
1 stopAir Canada
18h 15mSEA-ICN
10/24Thu
1 stopAir Canada
16h 26mICN-SEA
$1,052

Search by stops

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Recent one-way flight deals

9/21Sat
2 stops
41h 46mSEA-ICN
$462
7/23Tue
3 stops
52h 05mSEA-ICN
$469
10/19Sat
1 stopHawaiian Airlines
18h 30mPDX-ICN
$549
8/25Sun
1 stopHawaiian Airlines
18h 30mPDX-ICN
$597
9/9Mon
1 stopChina Airlines
26h 05mSEA-ICN
$604
9/10Tue
1 stopEVA Air
25h 15mSEA-ICN
$611
9/11Wed
1 stopEVA Air
19h 20mSEA-GMP
$611
9/11Wed
1 stopWestJet
20h 40mSEA-ICN
$614
9/11Wed
1 stopWestJet
20h 40mSEA-ICN
$625
9/17Tue
1 stopChina Airlines
26h 35mSEA-ICN
$627

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Search by price

Last minute flights from Washington to South Korea

Last minute flight, train and bus deals

6/17Mon
multi-stopTurkish Airlines
31h 00mSEA-ICN
10/14Mon
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,218
6/16Sun
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/18Tue
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,351
6/17Mon
multi-stop
23h 15mSEA-ICN
6/19Wed
multi-stop
23h 19mICN-SEA
$1,461
6/14Fri
multi-stop
53h 47mSEA-ICN
10/24Thu
multi-stop
33h 00mICN-SEA
$1,639
6/14Fri
multi-stopAir Canada
18h 10mSEA-ICN
10/24Thu
multi-stopAir Canada
16h 26mICN-SEA
$1,668
6/17Mon
multi-stopAmerican Airlines
22h 55mSEA-ICN
9/5Thu
multi-stopAmerican Airlines
20h 33mICN-SEA
$1,809
6/17Mon
multi-stopAmerican Airlines
22h 01mSEA-ICN
9/5Thu
multi-stopAmerican Airlines
31h 04mICN-SEA
$1,840
6/13Thu
multi-stopAir Canada
18h 10mSEA-ICN
8/11Sun
multi-stopAir Canada
20h 20mICN-SEA
$1,915
6/17Mon
multi-stopUnited Airlines
27h 30mPDX-ICN
6/28Fri
multi-stopUnited Airlines
19h 21mICN-PDX
$1,942
6/17Mon
multi-stopUnited Airlines
22h 45mPDX-ICN
6/25Tue
multi-stopUnited Airlines
20h 13mICN-PDX
$2,182

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Flights to South Korea

Return flight deals:

South Korea - Washington

Cabin classes:

$1,697
$2,491
$2,065
$852