Gimpo Intl

$649+ Cheap flights from Washington, D.C. (WAS) 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GMP
May 6 — May 131
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Cheap flight deals from Washington, D.C. to Gimpo Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Gimpo Intl (GMP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,443
(Gurufare)

One-way from

$652
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,553
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul Gimpo Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul Gimpo Intl flights.
From Washington, D.C. (WAS) to Seoul Gimpo Intl
One-way flight from Washington, D.C. (WAS) to Seoul Gimpo Intl
Highest demand for flights based on searches. 19% potential increase in price ($334 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in May 2025

Find flight deals from Washington, D.C. to Gimpo Intl

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

This Gurufare deal was found by Cheapflights users on 4/30. 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.
Thu 9/48:29 amDCA - GMP
2 stops24h 21mJapan Airlines
Thu 9/187:55 amGMP - DCA
2 stops28h 05mJapan Airlines
Deal found 4/30$1,443
This Ovago deal was found by Cheapflights users on 4/30. 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.
Fri 9/511:00 pmIAD - GMP
1 stop25h 05mAir China
Fri 9/192:25 pmGMP - IAD
2 stops29h 26mAir China
Deal found 4/30$1,447
This Japan Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 9/88:59 amDCA - GMP
2 stops23h 51mMultiple Airlines
Thu 9/187:55 amGMP - DCA
2 stops18h 58mMultiple Airlines
Deal found 4/30$1,451
This Gurufare deal was found by Cheapflights users on 4/30. 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.
Fri 9/267:00 amIAD - GMP
2 stops38h 45mJapan Airlines
Thu 10/3012:05 pmGMP - IAD
2 stops30h 50mJapan Airlines
Deal found 4/30$1,494
This WhyPayMore deal was found by Cheapflights users on 4/30. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:10 pmIAD - GMP
1 stop21h 20mANA
Wed 11/267:50 pmGMP - IAD
1 stop27h 20mANA
Deal found 4/30$1,587
This Ovago deal was found by Cheapflights users on 4/30. 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.
Mon 9/16:00 amBWI - GMP
2 stops39h 45mJapan Airlines
Mon 9/87:20 pmGMP - BWI
2 stops34h 30mJapan Airlines
Deal found 4/30$1,630
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/313:30 pmDCA - GMP
2 stops30h 50mANA
Sun 11/97:50 pmGMP - DCA
2 stops30h 52mANA
Deal found 5/1$1,669
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:27 amIAD - GMP
2 stops26h 23mMultiple Airlines
Wed 9/37:55 amGMP - IAD
2 stops21h 23mMultiple Airlines
Deal found 4/30$1,681
This Mytrip deal was found by Cheapflights users on 4/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:20 amBWI - GMP
3 stops26h 30mMultiple Airlines
Mon 5/192:25 pmGMP - BWI
3 stops33h 39mMultiple Airlines
Deal found 4/30$1,737
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:17 amBWI - GMP
2 stops39h 03mANA
Sun 11/237:50 pmGMP - BWI
2 stops32h 07mANA
Deal found 4/29$1,888
This Ovago deal was found by Cheapflights users on 4/30. 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.
Mon 6/166:00 pmBWI - GMP
2 stops31h 00mAir China
Mon 6/232:25 pmGMP - BWI
2 stops30h 42mAir China
Deal found 4/30$2,250

Cheapflights Fare Finder

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

Fly from

Washington, D.C.

Fly to

Gimpo Intl

Route

Depart

Return

Price

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Thu 9/4

8:29 am-9:50 pm

2 stops24h 21m

Seoul Gimpo Intl

Thu 9/18

7:55 am-11:00 pm

2 stops28h 05m

$1,443

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Fri 9/5

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

Fri 9/19

2:25 pm-6:51 am

2 stops29h 26m

$1,447

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 9/8

8:59 am-9:50 pm

2 stops23h 51m

Seoul Gimpo Intl

Thu 9/18

7:55 am-1:53 pm

2 stops18h 58m

$1,451

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Fri 9/26

7:00 am-10:45 am

2 stops38h 45m

Seoul Gimpo Intl

Thu 10/30

12:05 pm-5:55 am

2 stops30h 50m

$1,494

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Tue 10/28

12:10 pm-10:30 pm

1 stop21h 20m

Seoul Gimpo Intl

Wed 11/26

7:50 pm-9:10 am

1 stop27h 20m

$1,587

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Mon 9/1

6:00 am-10:45 am

2 stops39h 45m

Seoul Gimpo Intl

Mon 9/8

7:20 pm-4:50 pm

2 stops34h 30m

$1,630

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 8/20

6:27 am-9:50 pm

2 stops26h 23m

Seoul Gimpo Intl

Wed 9/3

7:55 am-4:18 pm

2 stops21h 23m

$1,681

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Thu 5/15

6:20 am-9:50 pm

3 stops26h 30m

Seoul Gimpo Intl

Mon 5/19

2:25 pm-11:04 am

3 stops33h 39m

$1,737

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Wed 7/2

3:30 pm-10:20 pm

2 stops41h 50m

Seoul Gimpo Intl

Wed 7/9

12:40 pm-9:02 pm

2 stops45h 22m

$2,243

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

Thu 7/24

10:59 am-11:05 am

2 stops35h 06m

Seoul Gimpo Intl

Tue 8/12

7:55 pm-6:07 pm

2 stops59h 12m

$2,245

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 25 results
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Compare providers for flights from Washington, D.C. to Gimpo Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Gimpo Intl in May.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Seoul Gimpo Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Seoul Gimpo Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Seoul Gimpo Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Seoul Gimpo Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Seoul Gimpo Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Gimpo Intl

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

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 May 1, 2025.
Read reviews from past customers who have flown EVA Air, Japan Airlines and ANA from Washington, D.C. to Seoul. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.3
Very good

Entertainment

8.0

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 Washington, D.C. to Seoul Gimpo Intl Airport one-way?

    For one-way options, check prices for EVA Air. According to our data, you can fly for as low as $718. Users have also found prices from $853 and $896 on Japan Airlines and Air China, respectively.

  • What are the most popular routes from Washington, D.C. to Seoul Gimpo Intl Airport?

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

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

  • How can I find direct flights from Washington, D.C. 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, D.C. to Gimpo Intl.

  • Can I find deals for business class flights from Washington, D.C. to Gimpo Intl?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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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