$434 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 5/15. 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.
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Good to know

Low season

January

High season

October

Cheapest flight

$434
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from Seattle to Seoul Incheon Airport

Flights from Washington to South Korea: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from Washington to South Korea 
Verified travelerFlew with Asiana AirlinesSEA-ICNDec 2024
Asiana is a good airline to fly on.
lizFlew with Asiana AirlinesSEA-ICNMay 2024
Do try to snooze on long haul flights, bring a good book to read, choose an aisle seat.

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 from Washington to South Korea 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 from Washington to South Korea with an airline and back 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 from Washington to South Korea 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

4/3jue.
1 stopAir Canada
13h 55mPDX-ICN
4/17jue.
1 stopAir Canada
20h 25mICN-PDX
$830
4/17jue.
1 stop
35h 30mSEA-ICN
4/30mié.
2 stops
26h 25mICN-SEA
$865
4/13dom.
1 stopChina Airlines
26h 25mSEA-ICN
4/29mar.
1 stopChina Airlines
22h 55mICN-SEA
$924
3/16dom.
1 stopChina Airlines
18h 10mSEA-ICN
4/3jue.
1 stopChina Airlines
14h 55mICN-SEA
$932
4/17jue.
2 stopsHainan Airlines
42h 30mSEA-ICN
4/30mié.
2 stopsHainan Airlines
26h 25mICN-SEA
$950
3/19mié.
1 stopPhilippine Airlines
27h 55mSEA-ICN
3/23dom.
1 stopPhilippine Airlines
27h 40mICN-SEA
$972
4/24jue.
2 stopsHainan Airlines
42h 30mSEA-ICN
5/7mié.
2 stopsHainan Airlines
26h 25mICN-SEA
$982
3/15sáb.
1 stopTurkish Airlines
30h 20mSEA-ICN
3/26mié.
1 stopTurkish Airlines
33h 55mICN-SEA
$993
3/18mar.
1 stopTurkish Airlines
45h 05mSEA-ICN
3/24lun.
1 stopTurkish Airlines
33h 55mICN-SEA
$1,009
3/23dom.
1 stopPhilippine Airlines
38h 30mSEA-ICN
4/2mié.
1 stopPhilippine Airlines
27h 20mICN-SEA
$1,021

Search by stops

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Recent one-way flight deals

5/15jue.
1 stopWestJet
19h 40mSEA-ICN
$434
3/25mar.
1 stopAir Canada
28h 20mPDX-ICN
$441
4/15mar.
2 stops
39h 20mSEA-ICN
$449
4/19sáb.
2 stops
39h 20mSEA-ICN
$456
3/20jue.
2 stopsHainan Airlines
42h 30mSEA-ICN
$536
3/27jue.
2 stopsHainan Airlines
42h 30mSEA-ICN
$539
3/9dom.
1 stopChina Airlines
26h 05mSEA-ICN
$547
3/10lun.
1 stopChina Airlines
26h 05mSEA-ICN
$548
3/12mié.
1 stopPhilippine Airlines
38h 30mSEA-ICN
$575
3/16dom.
1 stopPhilippine Airlines
27h 55mSEA-ICN
$581

Search by stops

Search by airline

Search by price

Last minute flights from Washington to South Korea

Last minute flight, train and bus deals

3/6jue.
multi-stopChina Airlines
26h 05mSEA-ICN
3/20jue.
multi-stopChina Airlines
15h 00mICN-SEA
$1,002
3/6jue.
multi-stopChina Airlines
26h 05mSEA-ICN
3/20jue.
multi-stopChina Airlines
15h 00mICN-SEA
$1,004
3/7vie.
multi-stopTurkish Airlines
45h 05mSEA-ICN
3/19mié.
multi-stopTurkish Airlines
33h 55mICN-SEA
$1,009
3/6jue.
multi-stopTurkish Airlines
30h 20mSEA-ICN
3/17lun.
multi-stopTurkish Airlines
33h 55mICN-SEA
$1,011
3/4mar.
multi-stop
35h 42mSEA-ICN
3/26mié.
multi-stop
16h 06mICN-SEA
$1,026
3/7vie.
multi-stopPhilippine Airlines
27h 55mSEA-ICN
3/20jue.
multi-stopPhilippine Airlines
38h 40mICN-SEA
$1,029
3/4mar.
multi-stopTurkish Airlines
45h 05mSEA-ICN
3/26mié.
multi-stopTurkish Airlines
47h 20mICN-SEA
$1,036
3/7vie.
multi-stopAir Canada
16h 15mPDX-ICN
8/8vie.
multi-stopAir Canada
17h 01mICN-PDX
$1,059
3/6jue.
multi-stop
42h 30mSEA-ICN
3/18mar.
multi-stop
22h 50mICN-SEA
$1,064
3/7vie.
multi-stopPhilippine Airlines
27h 55mSEA-ICN
3/20jue.
multi-stopPhilippine Airlines
38h 40mICN-SEA
$1,142

Search by stops

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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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