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Find cheap flights from Washington to South Korea from $489

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 8/29. 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 7/9
Tue 7/16

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In the last 7 days travelers have searched 43,124,673 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

October

Cheapest flight

$489
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

9/1Sun
3 stopsAmerican Airlines
32h 15mPSC-ICN
9/17Tue
3 stopsAmerican Airlines
36h 07mICN-PSC
$1,088
9/1Sun
2 stopsAmerican Airlines
32h 15mPSC-ICN
9/17Tue
2 stopsAmerican Airlines
37h 34mICN-PSC
$1,102
9/16Mon
1 stopAir Canada
29h 10mPDX-ICN
10/24Thu
1 stopAir Canada
16h 17mICN-PDX
$1,112
8/28Wed
1 stopAir Canada
29h 10mPDX-ICN
9/16Mon
1 stopAir Canada
20h 12mICN-PDX
$1,115
9/3Tue
2 stops
18h 50mPDX-ICN
9/18Wed
1 stop
20h 12mICN-PDX
$1,141
8/29Thu
1 stop
36h 10mPDX-ICN
9/1Sun
2 stops
25h 27mICN-PDX
$1,149
8/28Wed
2 stopsUnited Airlines
29h 19mPDX-ICN
9/16Mon
2 stopsUnited Airlines
26h 58mICN-PDX
$1,234
8/5Mon
1 stopDelta
28h 25mPDX-ICN
9/5Thu
1 stopDelta
27h 59mICN-PDX
$1,241
10/2Wed
1 stopDelta
17h 30mPDX-ICN
10/19Sat
1 stopDelta
15h 09mICN-PDX
$1,280
9/4Wed
1 stopUnited Airlines
16h 40mPDX-ICN
9/23Mon
2 stopsUnited Airlines
26h 58mICN-PDX
$1,353

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Recent one-way flight deals

8/29Thu
1 stopHawaiian Airlines
18h 30mPDX-ICN
$489
8/17Sat
2 stops
54h 40mPDX-ICN
$495
9/28Sat
2 stops
33h 46mPDX-ICN
$510
9/4Wed
1 stopEVA Air
19h 20mSEA-GMP
$611
9/8Sun
1 stopEVA Air
24h 30mSEA-GMP
$617
8/25Sun
1 stopAir Canada
29h 10mPDX-ICN
$628
9/28Sat
1 stopAir Canada
18h 05mPDX-ICN
$674
7/21Sun
1 stopAmerican Airlines
22h 16mPDX-ICN
$682
7/13Sat
1 stopAmerican Airlines
22h 16mPDX-ICN
$683
10/19Sat
2 stopsChina Southern
32h 25mPDX-ICN
$698

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Search by price

Last minute flights from Washington to South Korea

Last minute flight, train and bus deals

6/10Mon
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/17Mon
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,294
6/10Mon
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/18Tue
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,355
6/10Mon
multi-stop
29h 25mSEA-ICN
6/15Sat
multi-stop
40h 42mICN-SEA
$1,451
6/12Wed
multi-stop
19h 00mSEA-ICN
6/22Sat
multi-stop
20h 51mICN-SEA
$1,465
6/13Thu
multi-stopAir Canada
18h 10mSEA-ICN
6/23Sun
multi-stopAir Canada
32h 00mICN-SEA
$1,674
6/12Wed
multi-stopAir Canada
32h 55mSEA-ICN
6/18Tue
multi-stopAir Canada
12h 34mICN-SEA
$1,734
6/11Tue
multi-stopCathay Pacific
33h 10mSEA-ICN
9/2Mon
multi-stopCathay Pacific
34h 44mICN-SEA
$1,770
6/10Mon
multi-stopDelta
19h 50mSEA-ICN
6/20Thu
nonstopDelta
10h 40mICN-SEA
$1,847
6/13Thu
multi-stopDelta
19h 50mSEA-ICN
6/18Tue
multi-stopDelta
23h 03mICN-SEA
$1,852
6/11Tue
multi-stopCathay Pacific
33h 10mSEA-ICN
8/12Mon
multi-stopCathay Pacific
44h 17mICN-SEA
$1,878

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Flights to South Korea

Return flight deals:

South Korea - Washington

Cabin classes:

$1,697
$2,521
$2,883
$869