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Gimpo Intl

$442+ Cheap flights from Washington to Gimpo Intl (GMP)

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GMP
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheap flight deals from Washington to Gimpo Intl

Keep the following information in mind while searching for Washington to Gimpo Intl flight deals. Data was last updated August 1, 2025.

Round-trip from

$869
(Ovago)

One-way from

$442
(Ovago)

Popular in

June

Cheapest in

February

Average price

$1,361
From Washington to Seoul Gimpo Intl
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One-way flight from Washington to Seoul Gimpo Intl
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Highest demand for flights based on searches. 12% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 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 Washington to Gimpo Intl

Cheapest flights from Washington to Gimpo Intl
Explore the most affordable flight options available from Washington to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:42 amSEA - GMP
2 stops21h 08mJapan Airlines
Fri 10/3112:05 pmGMP - SEA
1 stop14h 45mJapan Airlines
Deal found 8/1$869
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/110:05 amPDX - GMP
2 stops19h 30mMultiple Airlines
Tue 9/162:00 pmGMP - PDX
2 stops16h 46mMultiple Airlines
Deal found 7/29$920
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:10 pmSEA - GMP
1 stop17h 10mMultiple Airlines
Fri 11/281:50 pmGMP - SEA
1 stop21h 20mMultiple Airlines
Deal found 7/31$996
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:40 amPDX - GMP
2 stops22h 10mJapan Airlines
Thu 9/1112:05 pmGMP - PDX
2 stops25h 11mJapan Airlines
Deal found 7/30$1,012
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:30 amSEA - GMP
1 stop26h 45mEVA Air
Sat 9/131:50 pmGMP - SEA
1 stop21h 40mEVA Air
Deal found 7/31$1,018
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:25 amGEG - GMP
2 stops23h 25mMultiple Airlines
Sun 9/217:55 amGMP - GEG
2 stops20h 50mMultiple Airlines
Deal found 7/31$1,076
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/215:36 pmPDX - GMP
2 stops32h 34mEVA Air
Wed 10/88:20 pmGMP - PDX
2 stops33h 09mEVA Air
Deal found 7/31$1,152
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:50 amPDX - GMP
2 stops19h 40mANA
Sat 1/1712:25 pmGMP - PDX
2 stops23h 05mANA
Deal found 7/30$1,454
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:25 amGEG - GMP
2 stops20h 25mJapan Airlines
Thu 9/412:05 pmGMP - GEG
2 stops18h 45mJapan Airlines
Deal found 7/29$1,712

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Gimpo Intl 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 August 1, 2025.
Use the filters below to find and compare flights from Washington to Seoul Gimpo Intl Airport that are best for you.

Fly from

Washington

Fly to

Gimpo Intl

Route

Depart

Return

Price

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Fri 10/17

8:42 am-9:50 pm

2 stops21h 08m

Seoul Gimpo Intl

Fri 10/31

12:05 pm-10:50 am

1 stop14h 45m

$869

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/1

10:05 am-9:35 pm

2 stops19h 30m

Seoul Gimpo Intl

Tue 9/16

2:00 pm-2:46 pm

2 stops16h 46m

$920

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Wed 11/12

12:10 pm-10:20 pm

1 stop17h 10m

Seoul Gimpo Intl

Fri 11/28

1:50 pm-6:10 pm

1 stop21h 20m

$996

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 8/24

7:40 am-9:50 pm

2 stops22h 10m

Seoul Gimpo Intl

Thu 9/11

12:05 pm-9:16 pm

2 stops25h 11m

$1,012

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 9/8

12:30 am-7:15 pm

1 stop26h 45m

Seoul Gimpo Intl

Sat 9/13

1:50 pm-7:30 pm

1 stop21h 40m

$1,018

SpokaneSeoul

GEG - GMP

GEGGMP

Spokane

Sun 9/14

6:25 am-9:50 pm

2 stops23h 25m

Seoul Gimpo Intl

Sun 9/21

7:55 am-12:45 pm

2 stops20h 50m

$1,076

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 9/21

5:36 pm-6:10 pm

2 stops32h 34m

Seoul Gimpo Intl

Wed 10/8

8:20 pm-1:29 pm

2 stops33h 09m

$1,152

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 12/30

9:50 am-10:30 pm

2 stops19h 40m

Seoul Gimpo Intl

Sat 1/17

12:25 pm-6:30 pm

2 stops23h 05m

$1,454

SpokaneSeoul

GEG - GMP

GEGGMP

Spokane

Thu 8/28

9:25 am-9:50 pm

2 stops20h 25m

Seoul Gimpo Intl

Thu 9/4

12:05 pm-2:50 pm

2 stops18h 45m

$1,712

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Tue 10/28

1:10 pm-10:20 pm

1 stop17h 10m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 14 results
1
2

Best time to book a flight from Washington to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl from Washington 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 Washington to Seoul Gimpo Intl Airport

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

Find hourly flight availability from Washington to Gimpo Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

When flying from State of Washington to Seoul Gimpo Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Gimpo Intl

Get insights into the airlines that provide service to Gimpo Intl. 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 Gimpo Intl. Reviews last updated August 1, 2025.
See what other customers who have flown with EVA Air, ANA, and Japan Airlines from Washington to Seoul Gimpo Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,220 reviews

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

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

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

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

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

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

Crew

8.6

Entertainment

8.0

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

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

  • What are the most popular routes from State of Washington to Seoul Gimpo Intl Airport?

    When deciding which route to take from State of Washington to Seoul Gimpo Intl Airport consider Seattle/Tacoma Intl - Seoul Gimpo Intl, Portland - Seoul Gimpo Intl or Spokane - Seoul Gimpo Intl as they are the most popular.

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

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

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

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

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

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

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