When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Washington?

Prices for flights from Seoul Gimpo Intl Airport to Washington were last updated today.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington 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.

$543 Cheap Flights from Seoul Gimpo Intl Airport to State of Washington in 2026

Find the cheapest flights from Seoul Gimpo Intl Airport to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:25 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

20h 07m2 stops Beijing Capital Vancouver Intl

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

19h 55m2 stops Vancouver Intl Osaka Kansai Intl

$939Multiple Airlines

Sa, Okt 3 - Mo, Okt 12

2:25 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

20h 07m2 stops Beijing Capital Vancouver Intl

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

19h 55m2 stops Vancouver Intl Osaka Kansai Intl

$1,056Multiple Airlines

Sa, Okt 3 - Mo, Okt 12

7:45 am - 1:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 35m1 stop Tokyo Haneda

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

19h 20m2 stops Vancouver Intl Tokyo Haneda

$1,143ANA

Di, Dez 1 - Mi, Dez 2

7:40 am - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,150ANA

Do, Sep 10 - Mi, Sep 23

12:40 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,159ANA

Di, Sep 15 - Di, Sep 22

12:40 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,159ANA

Mo, Sep 21 - Mo, Sep 28

8:00 am - 10:06 pmGMP Seoul Gimpo Intl-PDX Portland

30h 06m2 stops Tokyo Haneda Los Angeles

7:03 am - 9:15 pmPDX Portland-GMP Seoul Gimpo Intl

22h 12m2 stops San Francisco Tokyo Haneda

$1,168Japan Airlines

Do, Sep 17 - Mi, Sep 23

8:10 am - 2:22 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 12m2 stops Osaka Kansai Intl Vancouver Intl

7:15 pm - 10:25 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

35h 10m2 stops Vancouver Intl Osaka Kansai Intl

$1,168Multiple Airlines

Di, Sep 15 - Di, Sep 22

7:45 am - 6:22 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

27h 37m2 stops Tokyo Haneda Vancouver Intl

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

19h 20m2 stops Vancouver Intl Tokyo Haneda

$1,169ANA

Di, Dez 1 - Mi, Dez 2

12:40 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,169ANA

Mi, Sep 9 - Mi, Sep 16

Cheap last minute flights

Enter your travel dates to find the best prices.

12:40 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 52m2 stops Tokyo Haneda Vancouver Intl

5:20 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

25h 45m2 stops San Francisco Tokyo Haneda

$1,595ANA

Di, Aug 11 - Di, Sep 1

7:40 am - 2:25 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 45m1 stop Tokyo Haneda

5:20 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

25h 45m2 stops San Francisco Tokyo Haneda

$1,602ANA

Di, Aug 11 - Di, Sep 1

7:40 am - 2:25 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 45m1 stop Tokyo Haneda

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,615ANA

Di, Aug 11 - Di, Sep 1

12:05 pm - 2:35 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

18h 30m2 stops Tokyo Haneda San Francisco

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

22h 05m2 stops Los Angeles Tokyo Haneda

$1,662Japan Airlines

Mo, Aug 10 - Di, Sep 22

7:40 am - 2:25 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 45m1 stop Tokyo Haneda

5:20 pm - 6:35 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

33h 15m2 stops San Francisco Tokyo Haneda

$2,270ANA

Mo, Aug 10 - Di, Sep 22

7:40 am - 2:25 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 45m1 stop Tokyo Haneda

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$2,289ANA

Mo, Aug 10 - Di, Sep 22

7:40 am - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 6:35 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

34h 05m1 stop Tokyo Haneda

$3,445ANA

Mi, Aug 12 - So, Aug 30

7:40 am - 2:25 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 45m1 stop Tokyo Haneda

4:30 pm - 6:35 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

34h 05m1 stop Tokyo Haneda

$3,929ANA

Mi, Aug 12 - So, Aug 30

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ANA flights from Seoul Gimpo Intl Airport to State of Washington

Our best ANA deals on Seoul Gimpo Intl Airport to State of Washington flight tickets

ANA

Dec 1

GMP7:45 amSeoul Gimpo Intl

22h 35m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

Dec 2

SEA10:10 amSeattle/Tacoma Intl

19h 20m

2 stops

GMP10:30 pmSeoul Gimpo Intl

$1,143

ANA

Sep 10

GMP7:40 amSeoul Gimpo Intl

26h 52m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Sep 23

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,150

ANA

Sep 10

GMP7:40 amSeoul Gimpo Intl

26h 52m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Sep 23

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,153

Japan Airlines flights from Seoul Gimpo Intl Airport to State of Washington

Our best Japan Airlines deals on Seoul Gimpo Intl Airport to State of Washington flight tickets

Japan Airlines

Sep 17

GMP8:00 amSeoul Gimpo Intl

30h 06m

2 stops

PDX10:06 pmPortland

Sep 23

PDX7:03 amPortland

22h 12m

2 stops

GMP9:15 pmSeoul Gimpo Intl

$1,168

Japan Airlines

Sep 17

GMP8:00 amSeoul Gimpo Intl

30h 06m

2 stops

PDX10:06 pmPortland

Sep 23

PDX7:03 amPortland

22h 12m

2 stops

GMP9:15 pmSeoul Gimpo Intl

$1,172

Japan Airlines

Sep 10

GMP8:00 amSeoul Gimpo Intl

23h 58m

2 stops

SEA3:58 pmSeattle/Tacoma Intl

Sep 23

SEA7:10 amSeattle/Tacoma Intl

22h 05m

2 stops

GMP9:15 pmSeoul Gimpo Intl

$1,215

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Sa 10/3

2:25 pm-6:32 pm

2 stops20h 07m

Seattle/Tacoma Intl

Mo 10/12

10:30 am-10:25 pm

2 stops19h 55m

$939

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Sa 10/3

2:25 pm-6:32 pm

2 stops20h 07m

Seattle/Tacoma Intl

Mo 10/12

10:30 am-10:25 pm

2 stops19h 55m

$1,056

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Di 12/1

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

Mi 12/2

10:10 am-10:30 pm

2 stops19h 20m

$1,143

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Do 9/10

7:40 am-6:32 pm

2 stops26h 52m

Seattle/Tacoma Intl

Mi 9/23

4:30 pm-11:05 am

1 stop26h 35m

$1,150

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Di 9/15

12:40 pm-6:32 pm

2 stops21h 52m

Seattle/Tacoma Intl

Di 9/22

4:30 pm-11:05 am

1 stop26h 35m

$1,159

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Mo 9/21

12:40 pm-6:32 pm

2 stops21h 52m

Seattle/Tacoma Intl

Mo 9/28

4:30 pm-11:05 am

1 stop26h 35m

$1,159

SeoulPortland

GMP Seoul Gimpo Intl - PDX Portland

GMPPDX

Seoul Gimpo Intl

Do 9/17

8:00 am-10:06 pm

2 stops30h 06m

Portland

Mi 9/23

7:03 am-9:15 pm

2 stops22h 12m

$1,168

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Di 9/15

8:10 am-2:22 pm

2 stops22h 12m

Seattle/Tacoma Intl

Di 9/22

7:15 pm-10:25 pm

2 stops35h 10m

$1,168

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Di 12/1

7:45 am-6:22 pm

2 stops27h 37m

Seattle/Tacoma Intl

Mi 12/2

10:10 am-10:30 pm

2 stops19h 20m

$1,169

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Mi 9/9

12:40 pm-6:32 pm

2 stops21h 52m

Seattle/Tacoma Intl

Mi 9/16

4:30 pm-11:05 am

1 stop26h 35m

$1,169

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to State of Washington

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 Seoul Gimpo Intl to Washington?

EVA Air and Japan Airlines are the most popular carriers operating from Seoul Gimpo Intl to Washington

Cheap Seoul Gimpo Intl Airport to State of Washington flight deals and tips

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

Fastest flight time	18h 50m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to State of Washington takes 18h 50m

There are no direct flights from Seoul Gimpo Intl Airport to State of Washington. There are no popular flight routes from Seoul Gimpo Intl Airport to State of Washington.

Search flight deals

Frequently asked questions about flying from Seoul Gimpo Intl Airport to Washington

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Washington?
Prices for flights from Seoul Gimpo Intl Airport to Washington were last updated today.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington 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 Seoul to Washington?

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

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

Yes. momondo allows you to filter the results for Seoul to Washington flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington from Seoul. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Seoul to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.