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$501+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
GMP — SEA
Ağu 6 — Ağu 131
Çar 8/6
Çar 8/13
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 Ağustos 1, 2025.

Round-trip from

$817
(Gotogate)

One-way from

$501
(Air Canada)

Popular in

August

Cheapest in

June

Average price

$885
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. 8% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in August 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 Ağustos 1, 2025.

This Gotogate deal was found by Cheapflights users on 8/1. 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.
Pzt 9/227:40 amGMP - SEA
2 stops26h 56mANA
Çar 6/104:30 pmSEA - GMP
1 stop26h 35mANA
Deal found 8/1$817
This Justfly.com deal was found by Cheapflights users on 7/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 9/131:50 pmGMP - SEA
1 stop21h 40mEVA Air
Per 9/251:30 amSEA - GMP
1 stop19h 20mEVA Air
Deal found 7/31$844
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 9/202:00 pmGMP - PDX
2 stops16h 46mMultiple Airlines
Pzt 9/2910:00 amPDX - GMP
2 stops19h 35mMultiple Airlines
Deal found 7/30$927
This Gotogate deal was found by Cheapflights users on 7/31. 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.
Sal 11/117:50 pmGMP - PDX
2 stops39h 40mANA
Per 11/139:50 amPDX - GMP
2 stops39h 45mANA
Deal found 7/31$1,021
This Japan Airlines deal was found by Cheapflights users on 7/30. 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.
Cum 10/1012:05 pmGMP - PDX
2 stops17h 45mJapan Airlines
Per 10/1610:35 amPDX - GMP
2 stops19h 15mJapan Airlines
Deal found 7/30$1,030

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 Ağustos 1, 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

Pzt 9/22

7:40 am-6:36 pm

2 stops26h 56m

Seattle/Tacoma Intl

Çar 6/10

4:30 pm-11:05 am

1 stop26h 35m

$817

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Cmt 9/13

1:50 pm-7:30 pm

1 stop21h 40m

Seattle/Tacoma Intl

Per 9/25

1:30 am-12:50 pm

1 stop19h 20m

$844

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Cmt 9/20

2:00 pm-2:46 pm

2 stops16h 46m

Portland

Pzt 9/29

10:00 am-9:35 pm

2 stops19h 35m

$927

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Sal 11/11

7:50 pm-6:30 pm

2 stops39h 40m

Portland

Per 11/13

9:50 am-6:35 pm

2 stops39h 45m

$1,021

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Cum 10/10

12:05 pm-1:50 pm

2 stops17h 45m

Portland

Per 10/16

10:35 am-9:50 pm

2 stops19h 15m

$1,030

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Sal 8/26

2:00 pm-2:50 pm

2 stops16h 50m

$501

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Cmt 11/1

1:50 pm-7:10 pm

1 stop21h 20m

$539

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Pzt 9/15

7:40 pm-6:36 pm

3 stops38h 56m

$548

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Pzt 9/15

7:55 am-10:25 am

1 stop18h 30m

$603

SeoulPortland

GMP - PDX

GMPPDX

Seoul Gimpo Intl

Cum 10/10

7:55 am-8:30 pm

2 stops28h 35m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 11 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 Ağustos 1, 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.

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 Ağustos 1, 2025.
See what other customers who have flown with EVA Air, ANA, and Japan Airlines from Seoul Gimpo Intl Airport to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,220 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

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
1,220 reviews
EVA Air
8.4
Very good
1,220 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

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
8.4
Very good
922 reviews
EVA Air
8.4
Very good
1,220 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

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
1,536 reviews
EVA Air
8.4
Very good
1,220 reviews

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Overall

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 $539. Users have also found prices from $603 and $1,231 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 June is currently the most expensive (average of $389). 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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