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$507+ Cheap flights from Gimpo Intl (GMP) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Gimpo Intl to Washington

Keep the following information in mind while searching for Gimpo Intl to Washington flight deals. Data was last updated April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$846
(Gotogate)

One-way from

$507
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$760
Provider with most accurate pricing for Seoul (SEL)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-Seattle/Tacoma Intl flights.
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From Seoul Gimpo Intl to Washington
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One-way flight from Seoul Gimpo Intl to Washington
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Highest demand for flights based on searches. 24% potential increase in price ($295 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Gimpo Intl to Washington

Cheapest flights from Gimpo Intl to Washington
Explore the most affordable flight options available from Gimpo Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Gotogate deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:50 pmGMP - SEA
1 stop34h 30mANA
Thu 11/2710:00 amSEA - GMP
2 stops19h 30mANA
Deal found 4/29$834
This Gotogate deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/201:50 pmGMP - SEA
1 stop21h 40mEVA Air
Mon 6/301:50 amSEA - GMP
1 stop25h 25mEVA Air
Deal found 4/29$862
This EVA Air deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/191:50 pmGMP - SEA
2 stops22h 47mMultiple Airlines
Thu 10/1612:30 amSEA - GMP
1 stop20h 20mMultiple Airlines
Deal found 4/29$965
This Cheapflightsfares deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:55 amGMP - SEA
2 stops24h 58mJapan Airlines
Fri 10/177:20 amSEA - GMP
2 stops22h 30mJapan Airlines
Deal found 4/29$1,128
This Booking.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:40 amGMP - PDX
2 stops26h 52mANA
Sun 9/77:45 amPDX - GMP
2 stops46h 35mANA
Deal found 4/29$1,218
This Japan Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1612:05 pmGMP - PDX
2 stops18h 28mJapan Airlines
Fri 5/3010:34 amPDX - GMP
2 stops32h 11mJapan Airlines
Deal found 4/29$1,291
This Japan Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/137:55 amGMP - PDX
2 stops20h 56mMultiple Airlines
Fri 6/207:00 amPDX - GMP
2 stops22h 50mMultiple Airlines
Deal found 4/29$1,624

Cheapflights Fare Finder

Customize your flight search to find flights from Gimpo Intl to 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, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Washington that are best for you.

Fly from

Gimpo Intl

Fly to

Washington

Route

Depart

Return

Price

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 10/14

12:40 pm-6:36 pm

2 stops21h 56m

Seattle/Tacoma Intl

Tue 10/21

4:30 pm-6:35 pm

1 stop34h 05m

$846

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 6/20

1:50 pm-7:30 pm

1 stop21h 40m

Seattle/Tacoma Intl

Mon 6/30

1:50 am-7:15 pm

1 stop25h 25m

$862

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 9/19

1:50 pm-8:37 pm

2 stops22h 47m

Seattle/Tacoma Intl

Thu 10/16

12:30 am-12:50 pm

1 stop20h 20m

$965

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 9/19

7:55 am-4:53 pm

2 stops24h 58m

Seattle/Tacoma Intl

Fri 10/17

7:20 am-9:50 pm

2 stops22h 30m

$1,128

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Sat 8/30

7:40 am-6:32 pm

2 stops26h 52m

Portland

Sun 9/7

7:45 am-10:20 pm

2 stops46h 35m

$1,218

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Fri 5/16

12:05 pm-2:33 pm

2 stops18h 28m

Portland

Fri 5/30

10:34 am-10:45 am

2 stops32h 11m

$1,291

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Fri 6/13

7:55 am-12:51 pm

2 stops20h 56m

Portland

Fri 6/20

7:00 am-9:50 pm

2 stops22h 50m

$1,624

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 6/10

1:05 pm-11:23 pm

3 stops50h 18m

$507

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 6/20

1:50 pm-7:30 pm

1 stop21h 40m

$541

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Thu 5/8

7:55 am-10:25 am

1 stop18h 30m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 13 results
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Best time to book a flight from Gimpo Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Gimpo Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seoul Gimpo Intl Airport to Washington

What is the cheapest time of day to fly from GMP to WA?

Find hourly flight availability from Gimpo Intl to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seoul Gimpo Intl Airport to State of Washington as you normally would.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated April 29, 2025.
Get a feel of what it's like to fly with EVA Air, Japan Airlines and ANA from Seoul to Washington by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,186 reviews

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
EVA Air
8.4
Very good
1,186 reviews
EVA Air
8.4
Very good
1,186 reviews

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
Japan Airlines
8.3
Very good
1,459 reviews
EVA Air
8.4
Very good
1,186 reviews

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend
ANA
8.3
Very good
852 reviews
EVA Air
8.4
Very good
1,186 reviews

Overall

8.4

Crew

8.6

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

Find useful and relevant information for your journey from Gimpo Intl to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Seoul Gimpo Intl Airport to State of Washington one-way?

    For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $541. Users have also found prices from $645 and $886 on Japan Airlines and Air China, respectively.

  • Can I find deals for flights from Gimpo Intl to Washington that include hotel bookings?

    Yes. In addition to deals on Gimpo Intl to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gimpo Intl to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gimpo Intl to Washington.

  • Can I find deals for business class flights from Gimpo Intl to Washington?

    Yes. Cheapflights offers flight deals from Gimpo Intl to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seoul Gimpo Intl Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to State of Washington (average of $238). Flying from Seoul Gimpo Intl Airport to State of Washington in July is currently the most expensive (average of $405). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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