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Find cheap flights from Washington to South Korea from $481

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
Thu 7/4
Thu 7/11

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In the last 7 days travelers have searched 44,060,346 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

October

Cheapest flight

$481
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

9/14Sat
1 stopChina Airlines
17h 30mSEA-ICN
9/26Thu
1 stopChina Airlines
14h 40mICN-SEA
$818
10/30Wed
1 stopTurkish Airlines
45h 05mSEA-ICN
11/6Wed
1 stopTurkish Airlines
47h 20mICN-SEA
$958
10/11Fri
1 stopPhilippine Airlines
27h 45mSEA-ICN
10/19Sat
1 stopPhilippine Airlines
38h 50mICN-SEA
$995
7/17Wed
1 stop
30h 30mSEA-ICN
9/4Wed
2 stops
23h 27mICN-SEA
$1,009
10/2Wed
1 stopPhilippine Airlines
27h 45mSEA-ICN
10/16Wed
1 stopPhilippine Airlines
27h 05mICN-SEA
$1,033
9/2Mon
1 stopEVA Air
25h 15mSEA-ICN
9/24Tue
1 stopEVA Air
23h 30mICN-SEA
$1,034
9/4Wed
1 stop
20h 10mSEA-ICN
9/21Sat
2 stops
23h 27mICN-SEA
$1,036
9/24Tue
1 stopEVA Air
25h 15mSEA-ICN
10/16Wed
1 stopEVA Air
23h 30mICN-SEA
$1,037
9/16Mon
1 stopAir Canada
29h 00mSEA-ICN
9/25Wed
1 stopAir Canada
16h 26mICN-SEA
$1,051
11/18Mon
1 stopAir Canada
14h 05mSEA-ICN
12/18Wed
1 stopAir Canada
12h 46mICN-SEA
$1,053

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Recent one-way flight deals

9/4Wed
2 stops
34h 00mSEA-ICN
$481
8/3Sat
2 stops
49h 01mSEA-ICN
$494
9/2Mon
1 stopEVA Air
17h 30mSEA-ICN
$581
9/3Tue
1 stopEVA Air
25h 15mSEA-ICN
$593
8/25Sun
1 stopHawaiian Airlines
18h 30mPDX-ICN
$597
8/11Sun
1 stopHawaiian Airlines
18h 30mPDX-ICN
$599
9/14Sat
1 stopChina Airlines
17h 30mSEA-ICN
$629
8/31Sat
1 stopChina Airlines
17h 30mSEA-ICN
$630
9/12Thu
nonstopAsiana Airlines
11h 25mSEA-ICN
$647
10/30Wed
nonstopAsiana Airlines
12h 00mSEA-ICN
$660

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Last minute flights from Washington to South Korea

Last minute flight, train and bus deals

6/5Wed
multi-stopTurkish Airlines
31h 00mSEA-ICN
6/19Wed
multi-stopTurkish Airlines
33h 25mICN-SEA
$1,208
6/5Wed
multi-stopTurkish Airlines
31h 00mSEA-ICN
7/3Wed
multi-stopTurkish Airlines
46h 15mICN-SEA
$1,277
6/5Wed
multi-stop
19h 00mSEA-ICN
6/29Sat
multi-stop
20h 51mICN-SEA
$1,362
6/5Wed
multi-stop
19h 20mPDX-ICN
6/12Wed
multi-stop
20h 10mICN-PDX
$1,400
6/5Wed
multi-stopUnited Airlines
20h 50mSEA-ICN
6/29Sat
multi-stopUnited Airlines
17h 32mICN-SEA
$1,736
6/5Wed
multi-stopCathay Pacific
44h 25mSEA-ICN
6/19Wed
multi-stopCathay Pacific
23h 42mICN-SEA
$1,758
6/5Wed
multi-stopCathay Pacific
33h 10mSEA-ICN
6/29Sat
multi-stopCathay Pacific
24h 49mICN-SEA
$1,766
6/7Fri
multi-stopAir Canada
18h 10mSEA-ICN
7/3Wed
multi-stopAir Canada
16h 26mICN-SEA
$1,793
6/5Wed
multi-stopAir Canada
29h 00mSEA-ICN
6/29Sat
multi-stopAir Canada
16h 26mICN-SEA
$1,818
6/5Wed
multi-stopUnited Airlines
20h 45mSEA-ICN
6/29Sat
multi-stopUnited Airlines
17h 32mICN-SEA
$1,912

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Flights to South Korea

Return flight deals:

South Korea - Washington

Cabin classes:

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