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$551+ 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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — SEA
Jun 20 — Jun 271
Fri 6/20
Fri 6/27
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 June 15, 2025.

Round-trip from

$833
(Gotogate)

One-way from

$551
(Kiwi.com)

Popular in

August

Cheapest in

May

Average price

$678
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. 21% potential increase in price ($240 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 June 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 June 15, 2025.

This Gotogate deal was found by Cheapflights users on 6/15. 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 6/15$823
This EVA Air deal was found by Cheapflights users on 6/15. 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.
Sat 9/131:50 pmGMP - SEA
1 stop21h 00mEVA Air
Sun 9/211:30 amSEA - GMP
1 stop24h 40mEVA Air
Deal found 6/15$863
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1012:40 pmGMP - PDX
2 stops22h 06mANA
Thu 7/249:47 amPDX - GMP
2 stops33h 18mANA
Deal found 6/14$1,113
This oojo deal was found by Cheapflights users on 6/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/211:50 pmGMP - PDX
2 stops26h 09mEVA Air
Sat 8/28:15 pmPDX - GMP
2 stops53h 55mEVA Air
Deal found 6/13$1,215
This Gotogate deal was found by Cheapflights users on 6/12. 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 8/2912:05 pmGMP - PDX
2 stops17h 39mJapan Airlines
Tue 9/27:03 amPDX - GMP
2 stops22h 47mJapan Airlines
Deal found 6/12$1,273
This EVA Air deal was found by Cheapflights users on 6/13. 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 6/201:50 pmGMP - PDX
2 stops25h 06mMultiple Airlines
Thu 6/269:59 pmPDX - GMP
2 stops22h 51mMultiple Airlines
Deal found 6/13$1,364

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 June 15, 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

Mon 7/7

7:55 pm-6:36 pm

2 stops38h 41m

Seattle/Tacoma Intl

Mon 10/13

4:30 pm-6:35 pm

1 stop34h 05m

$833

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Sat 9/13

1:50 pm-6:50 pm

1 stop21h 00m

Seattle/Tacoma Intl

Sun 9/21

1:30 am-6:10 pm

1 stop24h 40m

$863

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Sun 7/27

2:25 pm-10:16 pm

2 stops23h 51m

Seattle/Tacoma Intl

Fri 8/1

10:00 am-9:35 pm

2 stops19h 35m

$1,026

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Thu 7/10

12:40 pm-6:46 pm

2 stops22h 06m

Portland

Thu 7/24

9:47 am-11:05 am

2 stops33h 18m

$1,113

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Fri 8/29

12:05 pm-1:44 pm

2 stops17h 39m

Portland

Tue 9/2

7:03 am-9:50 pm

2 stops22h 47m

$1,273

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Sat 7/12

7:40 am-11:01 pm

2 stops31h 21m

Portland

Sat 7/19

7:40 pm-10:25 pm

2 stops34h 45m

$1,593

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Mon 6/23

8:05 pm-7:30 pm

3 stops39h 25m

$551

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Mon 7/21

8:20 am-2:50 pm

2 stops22h 30m

$602

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Sat 6/21

1:50 pm-6:50 pm

1 stop21h 00m

$651

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 9/9

7:20 pm-10:25 am

1 stop31h 05m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 14 results
1
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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 June 15, 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 June 15, 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
1,203 reviews

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,203 reviews
EVA Air
8.4
Very good
1,203 reviews

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,494 reviews
EVA Air
8.4
Very good
1,203 reviews

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
884 reviews
EVA Air
8.4
Very good
1,203 reviews

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Comfort

8.3

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 $651. Users have also found prices from $676 and $1,004 on Japan Airlines and ANA, 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 $391). 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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Alternative routes for Gimpo Intl to Washington

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