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.

$568 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.

8:10 am - 6:32 pm

GMP

SEA

26h 22m

2 stops

10:45 am - 10:25 pm

SEA

GMP

19h 40m

2 stops

$1,072Multiple Airlines

Tue, Jul 7 - Fri, Jul 17

8:10 am - 2:22 pm

GMP

SEA

22h 12m

2 stops

10:45 am - 10:25 pm

SEA

GMP

19h 40m

2 stops

$1,096Multiple Airlines

Tue, Jul 7 - Fri, Jul 17

3:00 pm - 6:32 pm

GMP

SEA

19h 32m

2 stops

10:30 am - 10:25 pm

SEA

GMP

19h 55m

2 stops

$1,120Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

8:10 am - 2:22 pm

GMP

SEA

22h 12m

2 stops

10:45 am - 9:25 pm

SEA

GMP

18h 40m

2 stops

$1,158Multiple Airlines

Mon, Jul 13 - Mon, Jul 20

8:10 am - 2:22 pm

GMP

SEA

22h 12m

2 stops

10:45 am - 9:25 pm

SEA

GMP

18h 40m

2 stops

$1,165Multiple Airlines

Thu, Jul 9 - Wed, Jul 22

3:00 pm - 6:32 pm

GMP

SEA

19h 32m

2 stops

10:45 am - 10:25 pm

SEA

GMP

19h 40m

2 stops

$1,179Multiple Airlines

Fri, Jul 17 - Wed, Aug 12

8:00 am - 4:38 pm

GMP

PDX

24h 38m

2 stops

7:19 am - 9:15 pm

PDX

GMP

21h 56m

2 stops

$1,437Japan Airlines

Mon, Jul 6 - Tue, Aug 11

8:00 am - 2:59 pm

GMP

PDX

22h 59m

2 stops

7:03 am - 9:15 pm

PDX

GMP

22h 12m

2 stops

$1,485Japan Airlines

Tue, Jul 7 - Wed, Aug 19

8:00 am - 2:59 pm

GMP

PDX

22h 59m

2 stops

7:19 am - 9:15 pm

PDX

GMP

21h 56m

2 stops

$1,492Japan Airlines

Tue, Jul 7 - Tue, Jul 14

12:40 pm - 7:11 pm

GMP

PDX

22h 31m

2 stops

8:35 am - 11:05 am

PDX

GMP

34h 30m

2 stops

$1,638ANA

Mon, Jun 29 - Sat, Jul 4

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EVA Air flights from Seoul Gimpo Intl Airport to State of Washington

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

EVA Air

Sep 5

GMP1:50 pmSeoul Gimpo Intl

21h 50m

1 stop

SEA7:40 pmSeattle/Tacoma Intl

Sep 27

SEA1:30 amSeattle/Tacoma Intl

24h 40m

1 stop

GMP6:10 pmSeoul Gimpo Intl

$1,343

EVA Air

Jul 4

GMP1:50 pmSeoul Gimpo Intl

22h 00m

1 stop

SEA7:50 pmSeattle/Tacoma Intl

Jul 9

SEA2:10 amSeattle/Tacoma Intl

18h 40m

1 stop

GMP12:50 pmSeoul Gimpo Intl

$1,418

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

Nov 16

GMP7:50 pmSeoul Gimpo Intl

34h 30m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

Dec 16

SEA10:10 amSeattle/Tacoma Intl

19h 20m

2 stops

GMP10:30 pmSeoul Gimpo Intl

$1,336

ANA

Jun 22

GMP12:40 pmSeoul Gimpo Intl

17h 45m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Jul 7

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,338

ANA

Oct 2

GMP12:40 pmSeoul Gimpo Intl

17h 45m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Oct 10

SEA10:30 amSeattle/Tacoma Intl

32h 35m

2 stops

GMP11:05 amSeoul Gimpo Intl

$1,378

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

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 7/7

8:10 am-6:32 pm

2 stops26h 22m

Seattle/Tacoma Intl

Fri 7/17

10:45 am-10:25 pm

2 stops19h 40m

$1,072

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 7/7

8:10 am-2:22 pm

2 stops22h 12m

Seattle/Tacoma Intl

Fri 7/17

10:45 am-10:25 pm

2 stops19h 40m

$1,096

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Wed 9/16

3:00 pm-6:32 pm

2 stops19h 32m

Seattle/Tacoma Intl

Mon 9/21

10:30 am-10:25 pm

2 stops19h 55m

$1,120

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Mon 7/13

8:10 am-2:22 pm

2 stops22h 12m

Seattle/Tacoma Intl

Mon 7/20

10:45 am-9:25 pm

2 stops18h 40m

$1,158

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 7/9

8:10 am-2:22 pm

2 stops22h 12m

Seattle/Tacoma Intl

Wed 7/22

10:45 am-9:25 pm

2 stops18h 40m

$1,165

Quickest round-trip

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 7/17

3:00 pm-6:32 pm

2 stops19h 32m

Seattle/Tacoma Intl

Wed 8/12

10:45 am-10:25 pm

2 stops19h 40m

$1,179

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Mon 7/6

8:00 am-4:38 pm

2 stops24h 38m

Portland

Tue 8/11

7:19 am-9:15 pm

2 stops21h 56m

$1,437

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Tue 7/7

8:00 am-2:59 pm

2 stops22h 59m

Portland

Wed 8/19

7:03 am-9:15 pm

2 stops22h 12m

$1,485

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Tue 7/7

8:00 am-2:59 pm

2 stops22h 59m

Portland

Tue 7/14

7:19 am-9:15 pm

2 stops21h 56m

$1,492

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Mon 6/29

12:40 pm-7:11 pm

2 stops22h 31m

Portland

Sat 7/4

8:35 am-11:05 am

2 stops34h 30m

$1,638

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	17h 55m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to State of Washington takes 17h 55m

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.