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Gimpo Intl

$415+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — GMP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$924
(FlightHub)

One-way from

$415
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$1,530
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. 10% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 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 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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.
Mon 9/17:10 amSEA - GMP
2 stops35h 50mChina Eastern
Mon 9/88:50 pmGMP - SEA
2 stops36h 09mChina Eastern
Deal found 6/10$924
This Gotogate deal was found by Cheapflights users on 6/11. 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.
Mon 9/224:30 pmSEA - GMP
1 stop26h 35mANA
Mon 10/1312:40 pmGMP - SEA
1 stop17h 45mANA
Deal found 6/11$981
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.
Tue 10/211:30 pmSEA - GMP
1 stop16h 20mJapan Airlines
Tue 10/287:40 pmGMP - SEA
1 stop31h 10mJapan Airlines
Deal found 6/12$983
This oojo deal was found by Cheapflights users on 6/10. 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 10/131:30 amSEA - GMP
1 stop25h 45mEVA Air
Fri 11/281:50 pmGMP - SEA
1 stop21h 20mEVA Air
Deal found 6/10$1,019
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Sat 8/306:14 amPDX - GMP
2 stops36h 46mChina Eastern
Sun 9/78:50 pmGMP - PDX
2 stops35h 09mChina Eastern
Deal found 6/10$1,044
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 9/158:30 amPDX - GMP
2 stops21h 20mMultiple Airlines
Wed 10/157:55 amGMP - PDX
2 stops19h 35mMultiple Airlines
Deal found 6/10$1,073
This Gotogate deal was found by Cheapflights users on 6/11. 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 11/1410:00 amSEA - GMP
2 stops19h 30mMultiple Airlines
Sun 11/232:25 pmGMP - SEA
2 stops21h 01mMultiple Airlines
Deal found 6/11$1,109
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:45 amPDX - GMP
2 stops22h 35mANA
Tue 9/3012:40 pmGMP - PDX
2 stops22h 06mANA
Deal found 6/12$1,144
This oojo deal was found by Cheapflights users on 6/9. 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.
Thu 11/137:39 pmGEG - GMP
2 stops24h 11mEVA Air
Sat 11/221:50 pmGMP - GEG
2 stops25h 54mEVA Air
Deal found 6/9$1,153
This oojo deal was found by Cheapflights users on 6/11. 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.
Tue 9/302:50 pmPDX - GMP
2 stops54h 00mEVA Air
Tue 10/147:15 pmGMP - PDX
2 stops34h 14mEVA Air
Deal found 6/11$1,170
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:23 amPDX - GMP
2 stops35h 22mJapan Airlines
Sat 9/137:55 amGMP - PDX
2 stops24h 49mJapan Airlines
Deal found 6/11$1,174
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:25 pmGEG - GMP
2 stops36h 35mMultiple Airlines
Thu 9/257:55 amGMP - GEG
2 stops30h 30mMultiple Airlines
Deal found 6/12$1,366

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 June 12, 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

Mon 9/1

7:10 am-11:00 am

2 stops35h 50m

Seoul Gimpo Intl

Mon 9/8

8:50 pm-4:59 pm

2 stops36h 09m

$924

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 9/22

4:30 pm-11:05 am

1 stop26h 35m

Seoul Gimpo Intl

Mon 10/13

12:40 pm-2:25 pm

1 stop17h 45m

$981

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Tue 10/21

1:30 pm-9:50 pm

1 stop16h 20m

Seoul Gimpo Intl

Tue 10/28

7:40 pm-10:50 am

1 stop31h 10m

$983

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Mon 10/13

1:30 am-7:15 pm

1 stop25h 45m

Seoul Gimpo Intl

Fri 11/28

1:50 pm-6:10 pm

1 stop21h 20m

$1,019

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sat 8/30

6:14 am-11:00 am

2 stops36h 46m

Seoul Gimpo Intl

Sun 9/7

8:50 pm-3:59 pm

2 stops35h 09m

$1,044

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Mon 9/15

8:30 am-9:50 pm

2 stops21h 20m

Seoul Gimpo Intl

Wed 10/15

7:55 am-11:30 am

2 stops19h 35m

$1,073

SeattleSeoul

SEA - GMP

SEAGMP

Seattle/Tacoma Intl

Fri 11/14

10:00 am-10:30 pm

2 stops19h 30m

Seoul Gimpo Intl

Sun 11/23

2:25 pm-6:26 pm

2 stops21h 01m

$1,109

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Sun 9/21

7:45 am-10:20 pm

2 stops22h 35m

Seoul Gimpo Intl

Tue 9/30

12:40 pm-6:46 pm

2 stops22h 06m

$1,144

SpokaneSeoul

GEG - GMP

GEGGMP

Spokane

Thu 11/13

7:39 pm-12:50 pm

2 stops24h 11m

Seoul Gimpo Intl

Sat 11/22

1:50 pm-10:44 pm

2 stops25h 54m

$1,153

PortlandSeoul

PDX - GMP

PDXGMP

Portland

Tue 9/30

2:50 pm-12:50 pm

2 stops54h 00m

Seoul Gimpo Intl

Tue 10/14

7:15 pm-1:29 pm

2 stops34h 14m

$1,170

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 19 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 June 12, 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.

Rainfall in Gimpo Intl by month

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

In terms of precipitation, rainfall in Seoul Gimpo Intl Airport ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul Gimpo Intl Airport when rainfall is around 1.1 in.

Temperature in Gimpo Intl by month

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

If weather is an important factor for your trip to Seoul Gimpo Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
See what other customers who have flown with EVA Air, Japan Airlines and ANA from Washington to Seoul 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
1,202 reviews

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

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
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

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
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

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
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

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
China Eastern
7.2
Good
150 reviews
EVA Air
8.4
Very good
1,202 reviews

Overall

8.4

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Crew

8.6

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

    $415 is the cheapest one-way deal found within the past few days, from Japan Airlines. You may also be able to find cheap deals on EVA Air and ANA, with prices starting from $575 and $610, respectively.

  • 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.

See more FAQs

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