How does KAYAK find such low prices on flights from Washington to Seoul?

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 Seoul.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Seoul?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul 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 Seoul?

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 Seoul 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 Seoul?

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 Seoul from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$532 CHEAP FLIGHTS from Washington to Seoul (GMP)

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Flight Deals

Cheap Flights from Washington to Seoul

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Seoul

Mon, Oct 12 - Fri, Oct 16

1:30 am - 7:15 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

25h 45m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

$1,063EVA Air

Thu, Mar 18 - Fri, Mar 26

1:10 am - 12:50 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

19h 40m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

$1,088EVA Air

Thu, Oct 15 - Fri, Oct 23

12:30 am - 12:50 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

20h 20m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

$1,101EVA Air

Mon, Oct 12 - Fri, Oct 23

1:30 am - 7:15 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

25h 45m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

$1,113EVA Air

Wed, Oct 14 - Fri, Oct 23

1:30 am - 12:50 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

19h 20m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

$1,144EVA Air

Sun, Nov 15 - Fri, Nov 20

12:10 am - 6:00 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

24h 50m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 6:10 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 20m1 stop Taipei City Sung Shan

$1,147EVA Air

Sun, Jan 17 - Fri, Feb 5

12:10 am - 6:00 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

24h 50m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 6:10 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 20m1 stop Taipei City Sung Shan

$1,148EVA Air

Thu, Oct 15 - Sat, Oct 24

1:30 am - 12:50 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

19h 20m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

$1,153EVA Air

Sun, Oct 11 - Sat, Oct 17

1:30 am - 6:10 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

24h 40m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

$1,191EVA Air

Sun, Oct 11 - Sat, Oct 24

1:30 am - 6:10 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

24h 40m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

$1,195EVA Air

Recent last minute flight deals from Washington to Seoul

Wed, Sep 23 - Fri, Nov 6

1:30 am - 12:50 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

19h 20m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 6:10 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 20m1 stop Taipei City Sung Shan

$1,113EVA Air

Sun, Sep 27 - Fri, Oct 9

1:30 am - 6:10 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

24h 40m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

$1,130EVA Air

Thu, Sep 24 - Fri, Nov 6

12:30 am - 12:50 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

20h 20m1 stop Taipei City Taiwan Taoyuan Intl

1:50 pm - 6:10 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 20m1 stop Taipei City Sung Shan

$1,153EVA Air

Thu, Sep 24 - Thu, Oct 1

7:10 am - 9:15 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

22h 05m2 stops Los Angeles Tokyo Haneda

8:00 am - 10:35 amGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

18h 35m1 stop Tokyo Haneda

$1,283Japan Airlines

Thu, Sep 24 - Thu, Oct 1

7:10 am - 9:15 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

22h 05m2 stops Los Angeles Tokyo Haneda

8:00 am - 6:33 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 33m2 stops Tokyo Haneda Los Angeles

$1,321Multiple Airlines

Thu, Sep 24 - Wed, Oct 7

4:30 pm - 10:25 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

13h 55m1 stop Tokyo Haneda

6:00 am - 4:10 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 10m2 stops Jeju City Taipei City Taiwan Taoyuan Intl

$1,435Multiple Airlines

Thu, Sep 24 - Thu, Oct 1

7:10 am - 9:15 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

22h 05m2 stops Los Angeles Tokyo Haneda

12:05 pm - 3:58 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

19h 53m2 stops Tokyo Haneda San Francisco

$1,509Japan Airlines

Mon, Sep 28 - Wed, Nov 4

1:15 pm - 10:40 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

29h 25m1 stop Tokyo Narita

12:05 pm - 9:55 amGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

14h 50m1 stop Tokyo Haneda

$1,524Japan Airlines

Mon, Sep 28 - Thu, Nov 5

1:15 pm - 10:40 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

29h 25m1 stop Tokyo Narita

8:15 am - 9:55 amGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

18h 40m1 stop Tokyo Haneda

$1,547Japan Airlines

Mon, Sep 28 - Thu, Nov 5

1:15 pm - 10:40 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

29h 25m1 stop Tokyo Narita

12:05 pm - 5:21 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 16m2 stops Tokyo Haneda San Francisco

$1,566Japan Airlines

Useful Info

Cheapest flight	$532

Flight from Seattle to Seoul Gimpo Intl

How does KAYAK find such low prices on flights from Washington to Seoul?
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 Seoul.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Seoul?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul 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 Seoul?
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 Seoul 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 Seoul?
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 Seoul from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.