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Find cheap flights from Washington to South Korea from $482

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 9/4. 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 6/28
Fri 7/5

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In the last 7 days travelers have searched 42,816,550 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

October

Cheapest flight

$482
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

11/3Sun
2 stopsChina Eastern
36h 55mPDX-ICN
11/20Wed
2 stopsChina Eastern
23h 48mICN-PDX
$877
10/14Mon
1 stopChina Airlines
18h 00mSEA-ICN
10/22Tue
1 stopChina Airlines
14h 40mICN-SEA
$908
11/5Tue
1 stopTurkish Airlines
45h 05mSEA-ICN
11/25Mon
1 stopTurkish Airlines
33h 55mICN-SEA
$999
11/4Mon
1 stopTurkish Airlines
30h 20mSEA-ICN
11/25Mon
1 stopTurkish Airlines
47h 20mICN-SEA
$1,024
9/24Tue
1 stopEVA Air
25h 15mSEA-ICN
10/9Wed
1 stopEVA Air
23h 30mICN-SEA
$1,037
9/30Mon
1 stop
26h 35mSEA-ICN
10/11Fri
2 stops
21h 45mICN-SEA
$1,045
9/17Tue
1 stop
18h 00mSEA-ICN
10/2Wed
2 stops
21h 45mICN-SEA
$1,047
10/8Tue
1 stopEVA Air
25h 15mSEA-ICN
10/30Wed
1 stopEVA Air
23h 30mICN-SEA
$1,061
9/15Sun
1 stopAir Canada
29h 00mSEA-ICN
9/25Wed
1 stopAir Canada
12h 30mICN-SEA
$1,079
10/1Tue
1 stopAir Canada
18h 15mSEA-ICN
10/24Thu
1 stopAir Canada
16h 26mICN-SEA
$1,081

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Recent one-way flight deals

9/4Wed
2 stops
41h 25mPDX-ICN
$482
7/13Sat
2 stops
51h 51mSEA-ICN
$494
9/30Mon
1 stopChina Airlines
18h 00mSEA-ICN
$527
9/27Fri
1 stopHawaiian Airlines
18h 15mPDX-ICN
$549
8/22Thu
1 stopChina Airlines
17h 30mSEA-ICN
$559
8/25Sun
2 stopsCathay Pacific
30h 54mPDX-ICN
$597
8/26Mon
1 stopEVA Air
25h 05mSEA-GMP
$611
10/22Tue
1 stopHawaiian Airlines
19h 20mSEA-ICN
$612
10/6Sun
1 stopEVA Air
17h 30mSEA-ICN
$629
9/22Sun
2 stopsCathay Pacific
34h 44mSEA-ICN
$732

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Last minute flights from Washington to South Korea

Last minute flight, train and bus deals

6/2Sun
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/10Mon
multi-stopTurkish Airlines
46h 20mICN-SEA
$1,203
5/29Wed
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/3Mon
multi-stopTurkish Airlines
46h 20mICN-SEA
$1,211
6/2Sun
multi-stop
32h 10mSEA-ICN
6/7Fri
multi-stop
40h 07mICN-SEA
$1,379
6/1Sat
multi-stop
31h 00mSEA-ICN
6/15Sat
multi-stop
39h 57mICN-SEA
$1,403
6/2Sun
multi-stopCathay Pacific
33h 10mSEA-ICN
6/26Wed
multi-stopCathay Pacific
38h 41mICN-SEA
$1,619
6/2Sun
multi-stopCathay Pacific
33h 10mSEA-ICN
6/27Thu
multi-stopCathay Pacific
25h 34mICN-SEA
$1,700
6/2Sun
multi-stopAir Canada
29h 00mSEA-ICN
7/2Tue
multi-stopAir Canada
12h 34mICN-SEA
$1,761
6/2Sun
multi-stopJapan Airlines
33h 55mSEA-GMP
6/23Sun
multi-stopJapan Airlines
42h 17mGMP-SEA
$1,799
5/30Thu
multi-stopJapan Airlines
32h 40mPDX-GMP
6/8Sat
multi-stopJapan Airlines
22h 29mGMP-PDX
$1,810
6/3Mon
multi-stopAir Canada
18h 05mPDX-ICN
6/17Mon
multi-stopAir Canada
12h 45mICN-PDX
$1,852

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Flights to South Korea

Return flight deals:

South Korea - Washington

Cabin classes:

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