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Gimpo Intl

$493+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — GMP
เม.ย. 5 — เม.ย. 121
ส. 4/5
ส. 4/12
1 adult, Economy
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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 มีนาคม 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,260
(Ovago)

One-way from

$493
(Ovago)

Popular in

June

Cheapest in

January

Average price

$1,081
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul Gimpo Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul Gimpo Intl flights.
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From Washington, D.C. (WAS) to Seoul Gimpo Intl
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One-way flight from Washington, D.C. (WAS) to Seoul Gimpo Intl
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Highest demand for flights based on searches. 20% potential increase in price ($365 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 มีนาคม 31, 2025.

This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อ. 4/111:00 pmIAD - GMP
1 stop25h 05mAir China
อ. 4/88:35 amGMP - IAD
1 stop23h 55mAir China
Deal found 3/31$1,237
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
จ. 4/286:51 amBWI - GMP
3 stops26h 34mMultiple Airlines
พ. 5/146:15 amGMP - BWI
3 stops26h 24mMultiple Airlines
Deal found 3/31$1,295
This Gurufare deal was found by Cheapflights users on 3/30. 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.
จ. 8/256:59 amDCA - GMP
2 stops25h 51mJapan Airlines
อ. 9/97:55 amGMP - DCA
2 stops18h 58mJapan Airlines
Deal found 3/30$1,406
This Mytrip deal was found by Cheapflights users on 3/30. 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.
ศ. 5/166:50 pmIAD - GMP
3 stops36h 00mMultiple Airlines
ศ. 5/237:00 amGMP - IAD
2 stops25h 30mMultiple Airlines
Deal found 3/30$1,483
This Japan Airlines deal was found by Cheapflights users on 3/31. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
จ. 4/2810:00 amDCA - GMP
2 stops22h 50mMultiple Airlines
พ. 5/147:55 amGMP - DCA
2 stops19h 29mMultiple Airlines
Deal found 3/31$1,504
This Gotogate deal was found by Cheapflights users on 3/31. 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.
พฤ. 11/2011:05 amIAD - GMP
1 stop34h 15mANA
อา. 11/307:50 pmGMP - IAD
1 stop27h 20mANA
Deal found 3/31$1,601
This KAYAK deal was found by Cheapflights users on 3/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
จ. 4/288:30 amDCA - GMP
2 stops24h 50mANA
พฤ. 5/87:40 amGMP - DCA
2 stops26h 25mANA
Deal found 3/30$1,709
This Gurufare deal was found by Cheapflights users on 3/30. 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.
พ. 10/156:10 amBWI - GMP
2 stops39h 35mJapan Airlines
พฤ. 11/137:50 amGMP - BWI
2 stops27h 47mJapan Airlines
Deal found 3/30$1,764
This Air China deal was found by Cheapflights users on 3/30. 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 China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พฤ. 10/25:50 pmBWI - GMP
2 stops30h 15mAir China
จ. 10/132:25 pmGMP - BWI
2 stops29h 21mAir China
Deal found 3/30$1,823
This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
จ. 8/2510:45 amBWI - GMP
2 stops35h 20mANA
จ. 11/247:50 pmGMP - BWI
2 stops32h 07mANA
Deal found 3/30$1,833
This oojo deal was found by Cheapflights users on 3/31. 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.
อ. 4/157:00 amIAD - GMP
2 stops25h 50mJapan Airlines
อ. 4/2212:05 pmGMP - IAD
2 stops32h 38mJapan Airlines
Deal found 3/31$1,875

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 มีนาคม 31, 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

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

อ. 4/22

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

อ. 5/20

8:35 am-7:30 pm

1 stop23h 55m

$1,260

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

จ. 4/28

6:51 am-10:25 pm

3 stops26h 34m

Seoul Gimpo Intl

พ. 5/14

6:15 am-7:39 pm

3 stops26h 24m

$1,295

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

จ. 8/25

6:59 am-9:50 pm

2 stops25h 51m

Seoul Gimpo Intl

อ. 9/9

7:55 am-1:53 pm

2 stops18h 58m

$1,406

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

ศ. 5/16

6:50 pm-7:50 pm

3 stops36h 00m

Seoul Gimpo Intl

ศ. 5/23

7:00 am-7:30 pm

2 stops25h 30m

$1,483

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

จ. 4/28

10:00 am-9:50 pm

2 stops22h 50m

Seoul Gimpo Intl

พ. 5/14

7:55 am-2:24 pm

2 stops19h 29m

$1,504

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

จ. 9/22

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

พ. 10/15

7:55 pm-10:05 am

1 stop27h 10m

$1,602

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

จ. 4/28

8:30 am-10:20 pm

2 stops24h 50m

Seoul Gimpo Intl

พฤ. 5/8

7:40 am-9:05 pm

2 stops26h 25m

$1,709

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

อ. 4/8

7:30 am-9:50 pm

2 stops25h 20m

Seoul Gimpo Intl

พฤ. 5/8

7:55 am-5:45 pm

2 stops22h 50m

$1,858

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

อ. 4/15

7:00 am-9:50 pm

2 stops25h 50m

Seoul Gimpo Intl

อ. 4/22

12:05 pm-7:43 am

2 stops32h 38m

$1,875

BaltimoreSeoul

BWI - GMP

BWIGMP

Baltimore/Washington

อ. 4/29

6:15 am-10:20 pm

2 stops27h 05m

Seoul Gimpo Intl

พฤ. 5/8

7:40 am-9:37 pm

2 stops26h 57m

$1,889

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 20 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Seoul Gimpo Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 มีนาคม 31, 2025.
Read reviews from past customers who have flown 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.
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very good
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
ANA
8.3
Very good
831 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.3

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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 Air China. According to our data, you can fly for as low as $493. Users have also found prices from $853 and $1,000 on Japan Airlines and ANA, respectively.

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

    Most travelers choose Washington, D.C. Dulles Intl - Seoul Gimpo Intl, Washington, D.C. Reagan-National - Seoul Gimpo Intl or Baltimore/Washington - Seoul Gimpo Intl when deciding on the best route 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.

See more FAQs

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Alternative routes for Washington, D.C. to Gimpo Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Reagan-National to Incheon Intl flights
Dulles Intl to Gimpo Intl flights
Reagan-National to Gimpo Intl flights
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