Gimpo Intl

$614+ Cheap flights from Dulles Intl (IAD) 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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — GMP
ene. 11 — ene. 181
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Cheap flight deals from Dulles Intl to Gimpo Intl

Cheapest flights from Dulles Intl to Gimpo Intl
Explore the most affordable flight options available from Dulles Intl to Gimpo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2310:06 pmIAD - GMP
3 stops34h 24mMultiple Airlines
lun. 1/261:30 pmGMP - IAD
2 stops33h 35mMultiple Airlines
Deal found 12/10$1,839
This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/125:05 pmIAD - GMP
3 stops30h 00mMultiple Airlines
mar. 12/231:30 pmGMP - IAD
2 stops33h 35mMultiple Airlines
Deal found 12/9$2,031
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2411:10 amIAD - GMP
1 stop21h 20mANA
lun. 1/267:50 pmGMP - IAD
1 stop27h 20mANA
Deal found 12/10$2,243
This Mytrip deal was found by Cheapflights users on 12/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/115:05 pmIAD - GMP
3 stops30h 00mMultiple Airlines
lun. 12/158:50 amGMP - IAD
3 stops25h 36mMultiple Airlines
Deal found 12/9$2,261
This Mytrip deal was found by Cheapflights users on 12/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/135:05 pmIAD - GMP
3 stops31h 05mMultiple Airlines
lun. 12/157:50 pmGMP - IAD
2 stops38h 36mMultiple Airlines
Deal found 12/10$2,424
This Ovago deal was found by Cheapflights users on 12/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:34 amIAD - GMP
2 stops37h 21mJapan Airlines
lun. 12/158:00 amGMP - IAD
2 stops36h 06mJapan Airlines
Deal found 12/9$2,427
This Ovago deal was found by Cheapflights users on 12/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/137:34 amIAD - GMP
2 stops24h 31mJapan Airlines
lun. 12/1512:05 pmGMP - IAD
2 stops32h 01mJapan Airlines
Deal found 12/10$2,573
This Ovago deal was found by Cheapflights users on 12/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1210:10 pmIAD - GMP
2 stops48h 55mAir China
mar. 12/238:50 amGMP - IAD
1 stop23h 40mAir China
Deal found 12/9$2,586

Find flight deals from Dulles Intl to Gimpo Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 diciembre 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,220
(oojo)

One-way from

$614
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$2,169
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Seoul Gimpo Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Seoul Gimpo Intl flights.
From Washington, D.C. Dulles Intl to Seoul Gimpo Intl
One-way flight from Washington, D.C. Dulles Intl to Seoul Gimpo Intl
Highest demand for flights based on searches. 2% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($66 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 diciembre 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport that are best for you.

Fly from

Dulles Intl

Fly to

Gimpo Intl

Route

Depart

Return

Price

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 4/27

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

mar. 6/16

12:40 pm-10:05 am

1 stop34h 25m

$1,586

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

jue. 4/9

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

mar. 7/7

7:40 am-6:03 am

2 stops35h 23m

$1,632

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 1/26

11:10 am-10:30 pm

1 stop21h 20m

Seoul Gimpo Intl

mar. 2/3

7:50 pm-9:10 am

1 stop27h 20m

$1,649

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

dom. 3/1

11:10 am-10:30 pm

1 stop21h 20m

Seoul Gimpo Intl

mar. 3/31

7:40 am-3:40 pm

1 stop21h 00m

$1,658

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

vie. 2/20

11:10 am-10:30 pm

1 stop21h 20m

Seoul Gimpo Intl

dom. 3/8

7:50 pm-10:10 am

1 stop27h 20m

$1,670

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

mar. 4/21

1:05 pm-11:05 am

2 stops33h 00m

Seoul Gimpo Intl

mar. 4/28

7:40 am-3:40 pm

1 stop21h 00m

$1,672

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

mié. 3/4

11:10 am-10:30 pm

1 stop21h 20m

Seoul Gimpo Intl

mié. 6/3

7:55 pm-10:05 am

1 stop27h 10m

$1,672

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 3/30

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

mié. 4/22

12:40 pm-10:05 am

1 stop34h 25m

$1,672

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

mié. 2/4

11:10 am-10:30 pm

1 stop21h 20m

Seoul Gimpo Intl

mié. 5/6

12:40 pm-10:05 am

1 stop34h 25m

$1,672

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 1/26

11:10 am-11:20 am

1 stop34h 10m

Seoul Gimpo Intl

lun. 2/2

12:25 pm-9:10 am

1 stop34h 45m

$1,673

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 22 results
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  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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. Dulles Intl Airport-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. Dulles Intl Airport-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. Dulles Intl Airport-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 Dulles Intl to Gimpo Intl

Have a flexible travel schedule? Discover the best time to fly to Gimpo Intl from Dulles 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.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Gimpo Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport?

    A quick flight from Washington, D.C. Dulles Intl Airport to Seoul Gimpo Intl Airport can take about 21h 05m. ANA provides one of the quickest options available for as low as $1,586. Washington, D.C. Dulles Intl Airport and Seoul Gimpo Intl Airport are separated by a distance of 6925 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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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