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Cheap flights from Seoul Gimpo Intl Airport to Washington from $467

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul Gimpo Intl Airport to Washington departing on 12/2. 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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Find the cheapest flights from Seoul Gimpo Intl Airport to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
7:45 am - 1:20 pmGMP-SEA
22h 35m1 stop
ANA Logo
10:05 am - 10:30 pmSEA-GMP
19h 25m2 stops
$857ANA
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lun., feb. 2 - lun., feb. 9
ANA Logo
12:25 pm - 1:20 pmGMP-SEA
17h 55m1 stop
ANA Logo
10:05 am - 10:30 pmSEA-GMP
19h 25m2 stops
$858ANA
Find Deal
mar., feb. 10 - lun., feb. 23
ANA Logo
12:25 pm - 7:16 pmGMP-SEA
23h 51m2 stops
ANA Logo
3:45 pm - 11:20 amSEA-GMP
26h 35m1 stop
$859ANA
Find Deal
lun., dic. 15 - mié., dic. 31
ANA Logo
12:25 pm - 1:20 pmGMP-SEA
17h 55m1 stop
ANA Logo
3:45 pm - 11:20 amSEA-GMP
26h 35m1 stop
$888ANA
Find Deal
vie., feb. 6 - mié., feb. 18
ANA Logo
7:50 pm - 1:20 pmGMP-SEA
34h 30m1 stop
ANA Logo
3:45 pm - 11:20 amSEA-GMP
26h 35m1 stop
$890ANA
Find Deal
dom., feb. 1 - lun., feb. 2
Multiple Airlines Logo
2:00 pm - 3:01 pmGMP-SEA
17h 01m2 stops
Multiple Airlines Logo
10:05 am - 10:25 pmSEA-GMP
20h 20m2 stops
$936Multiple Airlines
Find Deal
lun., mar. 9 - lun., mar. 23
Japan Airlines Logo
7:40 pm - 9:55 amGMP-SEA
31h 15m1 stop
Japan Airlines Logo
1:30 pm - 9:50 pmSEA-GMP
16h 20m1 stop
$957Japan Airlines
Find Deal
dom., feb. 1 - jue., abr. 2
Japan Airlines Logo
8:00 am - 9:55 amGMP-SEA
18h 55m1 stop
Japan Airlines Logo
12:30 pm - 10:05 pmSEA-GMP
16h 35m1 stop
$963Japan Airlines
Find Deal
vie., feb. 13 - sáb., feb. 21
EVA Air Logo
1:50 pm - 6:10 pmGMP-SEA
21h 20m1 stop
EVA Air Logo
12:10 am - 12:50 pmSEA-GMP
19h 40m1 stop
$1,004EVA Air
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sáb., ene. 17 - jue., feb. 5
Multiple Airlines Logo
8:50 am - 7:16 pmGMP-SEA
27h 26m2 stops
Multiple Airlines Logo
9:00 pm - 10:05 pmSEA-GMP
32h 05m2 stops
$1,040Multiple Airlines
Find Deal
mié., feb. 11 - dom., feb. 22

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
Feb 1
GMP7:40 pmSeoul Gimpo Intl
31h 15m
1 stop
SEA9:55 amSeattle/Tacoma Intl
Apr 2
SEA1:30 pmSeattle/Tacoma Intl
16h 20m
1 stop
GMP9:50 pmSeoul Gimpo Intl
$957
Find similar
Japan Airlines
Feb 13
GMP8:00 amSeoul Gimpo Intl
18h 55m
1 stop
SEA9:55 amSeattle/Tacoma Intl
Feb 21
SEA12:30 pmSeattle/Tacoma Intl
16h 35m
1 stop
GMP10:05 pmSeoul Gimpo Intl
$963
Find similar
Japan Airlines
Feb 13
GMP12:05 pmSeoul Gimpo Intl
21h 23m
2 stops
PDX4:28 pmPortland
Feb 21
PDX9:40 amPortland
19h 25m
2 stops
GMP10:05 pmSeoul Gimpo Intl
$1,278
Find similar

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
Feb 2
GMP7:45 amSeoul Gimpo Intl
22h 35m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
Feb 9
SEA10:05 amSeattle/Tacoma Intl
19h 25m
2 stops
GMP10:30 pmSeoul Gimpo Intl
$857
Find similar
ANA
Feb 10
GMP12:25 pmSeoul Gimpo Intl
17h 55m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
Feb 23
SEA10:05 amSeattle/Tacoma Intl
19h 25m
2 stops
GMP10:30 pmSeoul Gimpo Intl
$858
Find similar
ANA
Dec 15
GMP12:25 pmSeoul Gimpo Intl
23h 51m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
Dec 31
SEA3:45 pmSeattle/Tacoma Intl
26h 35m
1 stop
GMP11:20 amSeoul Gimpo Intl
$859
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seoul Gimpo Intl Airport to State of Washington 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 noviembre 6, 2025.
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

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

lun. 2/2

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

lun. 2/9

10:05 am-10:30 pm

2 stops19h 25m

$857

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

mar. 2/10

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

lun. 2/23

10:05 am-10:30 pm

2 stops19h 25m

$858

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

lun. 12/15

12:25 pm-7:16 pm

2 stops23h 51m

Seattle/Tacoma Intl

mié. 12/31

3:45 pm-11:20 am

1 stop26h 35m

$859

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

vie. 2/6

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

mié. 2/18

3:45 pm-11:20 am

1 stop26h 35m

$888

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

dom. 2/1

7:50 pm-1:20 pm

1 stop34h 30m

Seattle/Tacoma Intl

lun. 2/2

3:45 pm-11:20 am

1 stop26h 35m

$890

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

lun. 3/9

2:00 pm-3:01 pm

2 stops17h 01m

Seattle/Tacoma Intl

lun. 3/23

10:05 am-10:25 pm

2 stops20h 20m

$936

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

dom. 2/1

7:40 pm-9:55 am

1 stop31h 15m

Seattle/Tacoma Intl

jue. 4/2

1:30 pm-9:50 pm

1 stop16h 20m

$957

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

vie. 2/13

8:00 am-9:55 am

1 stop18h 55m

Seattle/Tacoma Intl

sáb. 2/21

12:30 pm-10:05 pm

1 stop16h 35m

$963

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

sáb. 1/17

1:50 pm-6:10 pm

1 stop21h 20m

Seattle/Tacoma Intl

jue. 2/5

12:10 am-12:50 pm

1 stop19h 40m

$1,004

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

mié. 2/11

8:50 am-7:16 pm

2 stops27h 26m

Seattle/Tacoma Intl

dom. 2/22

9:00 pm-10:05 pm

2 stops32h 05m

$1,040

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 Washington from

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

Direct flights

None
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.
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  • 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.

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