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Cheap flights from Seattle to Seoul from $451

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Seoul departing on 3/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Japan Airlines Logo
8:15 am - 10:05 pm
SEA
-
GMP
20h 50m
2 stops
Japan Airlines Logo
8:00 am - 4:04 pm
GMP
-
SEA
24h 04m
2 stops
$906Japan Airlines
Wed, Mar 4 - Tue, Mar 17
Japan Airlines Logo
1:15 pm - 10:40 am
SEA
-
GMP
29h 25m
1 stop
Japan Airlines Logo
8:00 am - 10:35 am
GMP
-
SEA
18h 35m
1 stop
$909Japan Airlines
Tue, Apr 21 - Tue, May 12
Japan Airlines Logo
8:15 am - 10:05 pm
SEA
-
GMP
21h 50m
2 stops
Japan Airlines Logo
12:05 pm - 4:04 pm
GMP
-
SEA
19h 59m
2 stops
$914Japan Airlines
Tue, Mar 10 - Tue, Mar 17
Japan Airlines Logo
8:15 am - 10:05 pm
SEA
-
GMP
20h 50m
2 stops
Japan Airlines Logo
8:00 am - 4:04 pm
GMP
-
SEA
24h 04m
2 stops
$924Japan Airlines
Wed, Mar 4 - Tue, Mar 17
Japan Airlines Logo
1:15 pm - 10:40 am
SEA
-
GMP
29h 25m
1 stop
Japan Airlines Logo
8:00 am - 10:35 am
GMP
-
SEA
18h 35m
1 stop
$927Japan Airlines
Mon, Apr 20 - Thu, May 14
Japan Airlines Logo
1:15 pm - 10:40 am
SEA
-
GMP
29h 25m
1 stop
Japan Airlines Logo
7:15 pm - 10:35 am
GMP
-
SEA
31h 20m
1 stop
$928Japan Airlines
Mon, Apr 20 - Tue, May 12
Japan Airlines Logo
1:30 pm - 10:05 pm
SEA
-
GMP
16h 35m
1 stop
Japan Airlines Logo
8:00 am - 10:55 am
GMP
-
SEA
18h 55m
1 stop
$930Japan Airlines
Wed, Mar 11 - Tue, Mar 24
Japan Airlines Logo
1:15 pm - 10:40 am
SEA
-
GMP
29h 25m
1 stop
Japan Airlines Logo
8:00 am - 10:35 am
GMP
-
SEA
18h 35m
1 stop
$932Japan Airlines
Mon, Apr 6 - Sun, Apr 19
Japan Airlines Logo
12:30 pm - 10:05 pm
SEA
-
GMP
16h 35m
1 stop
Japan Airlines Logo
7:40 pm - 4:04 pm
GMP
-
SEA
36h 24m
2 stops
$934Japan Airlines
Mon, Mar 2 - Sun, Mar 15
Japan Airlines Logo
8:15 am - 10:05 pm
SEA
-
GMP
20h 50m
2 stops
Japan Airlines Logo
7:40 pm - 4:04 pm
GMP
-
SEA
36h 24m
2 stops
$936Japan Airlines
Mon, Mar 2 - Sun, Mar 15

Japan Airlines flights from Seattle to Seoul Gimpo Intl Airport

Our best Japan Airlines deals on Seattle to Seoul Gimpo Intl Airport flight tickets
Japan Airlines
Mar 4
SEA8:15 amSeattle/Tacoma Intl
20h 50m
2 stops
GMP10:05 pmSeoul Gimpo Intl
Mar 17
GMP8:00 amSeoul Gimpo Intl
24h 04m
2 stops
SEA4:04 pmSeattle/Tacoma Intl
$906
Japan Airlines
Mar 10
SEA8:15 amSeattle/Tacoma Intl
21h 50m
2 stops
GMP10:05 pmSeoul Gimpo Intl
Mar 17
GMP12:05 pmSeoul Gimpo Intl
19h 59m
2 stops
SEA4:04 pmSeattle/Tacoma Intl
$914
Japan Airlines
Mar 4
SEA8:15 amSeattle/Tacoma Intl
20h 50m
2 stops
GMP10:05 pmSeoul Gimpo Intl
Mar 17
GMP8:00 amSeoul Gimpo Intl
24h 04m
2 stops
SEA4:04 pmSeattle/Tacoma Intl
$924

EVA Air flights from Seattle to Seoul Gimpo Intl Airport

Our best EVA Air deals on Seattle to Seoul Gimpo Intl Airport flight tickets
EVA Air
Apr 19
SEA1:30 amSeattle/Tacoma Intl
24h 40m
1 stop
GMP6:10 pmSeoul Gimpo Intl
May 9
GMP1:50 pmSeoul Gimpo Intl
21h 00m
1 stop
SEA6:50 pmSeattle/Tacoma Intl
$955
EVA Air
Apr 30
SEA12:50 amSeattle/Tacoma Intl
20h 00m
1 stop
GMP12:50 pmSeoul Gimpo Intl
May 16
GMP1:50 pmSeoul Gimpo Intl
21h 00m
1 stop
SEA6:50 pmSeattle/Tacoma Intl
$995
EVA Air
May 10
SEA1:50 amSeattle/Tacoma Intl
24h 20m
1 stop
GMP6:10 pmSeoul Gimpo Intl
May 16
GMP1:50 pmSeoul Gimpo Intl
21h 40m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
$1,025

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Seoul Gimpo Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 20, 2026.
Use the filters below to find and compare flights from Seattle to Seoul Gimpo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Wed 3/4

8:15 am-10:05 pm

2 stops20h 50m

Seoul Gimpo Intl

Tue 3/17

8:00 am-4:04 pm

2 stops24h 04m

$906

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Tue 4/21

1:15 pm-10:40 am

1 stop29h 25m

Seoul Gimpo Intl

Tue 5/12

8:00 am-10:35 am

1 stop18h 35m

$909

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Tue 3/10

8:15 am-10:05 pm

2 stops21h 50m

Seoul Gimpo Intl

Tue 3/17

12:05 pm-4:04 pm

2 stops19h 59m

$914

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Wed 3/4

8:15 am-10:05 pm

2 stops20h 50m

Seoul Gimpo Intl

Tue 3/17

8:00 am-4:04 pm

2 stops24h 04m

$924

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 4/20

1:15 pm-10:40 am

1 stop29h 25m

Seoul Gimpo Intl

Thu 5/14

8:00 am-10:35 am

1 stop18h 35m

$927

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 4/20

1:15 pm-10:40 am

1 stop29h 25m

Seoul Gimpo Intl

Tue 5/12

7:15 pm-10:35 am

1 stop31h 20m

$928

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Wed 3/11

1:30 pm-10:05 pm

1 stop16h 35m

Seoul Gimpo Intl

Tue 3/24

8:00 am-10:55 am

1 stop18h 55m

$930

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 4/6

1:15 pm-10:40 am

1 stop29h 25m

Seoul Gimpo Intl

Sun 4/19

8:00 am-10:35 am

1 stop18h 35m

$932

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 3/2

12:30 pm-10:05 pm

1 stop16h 35m

Seoul Gimpo Intl

Sun 3/15

7:40 pm-4:04 pm

2 stops36h 24m

$934

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 3/2

8:15 am-10:05 pm

2 stops20h 50m

Seoul Gimpo Intl

Sun 3/15

7:40 pm-4:04 pm

2 stops36h 24m

$936

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Seattle to Seoul Gimpo Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Seoul Gimpo Intl?

EVA Air is the most popular carrier operating from Seattle/Tacoma Intl to Seoul Gimpo Intl

When to book flights from Seattle to Seoul Gimpo Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Seoul Gimpo Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Seoul Gimpo Intl Airport (SEA to GMP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Seoul Gimpo Intl Airport

Fastest flight time

19h 54m

Direct flights

None
The fastest flight from Seattle to Seoul Gimpo Intl Airport takes 19h 54m
There are no direct flights from Seattle to Seoul Gimpo Intl Airport. There are no popular flight routes from Seattle to Seoul Gimpo Intl Airport.
Search flight deals

  • How far is Seattle/Tacoma Intl to Seoul Gimpo Intl by plane?

    The distance between Seattle/Tacoma Intl and Seoul Gimpo Intl is about 5173.4 mi. Typically, this will take 19h 54m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Seoul Gimpo Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Seoul Gimpo Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Seoul Gimpo Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Seoul Gimpo Intl Airport.

  • What documentation or ID do you need to fly to Seoul Gimpo Intl Airport?

    The necessary travel and health documents for your Seoul Gimpo Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Seoul?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Seoul. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Seoul with flexible booking policies on momondo?

Flights from Seattle to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Seoul?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Seoul.

I’m not ready to book a flight from Seattle to Seoul right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Seattle and alert you when they change.

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