What are the cheapest airlines to fly from Seoul Gimpo Intl Airport to Washington, D.C. one-way?

To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at $458. Japan Airlines flights start at $600 while deals on ANA start at $1,198 one-way.

What is the cheapest month to book a flight from Seoul Gimpo Intl Airport to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to Washington, D.C. (average of $309). Flying from Seoul Gimpo Intl Airport to Washington, D.C. in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Seoul Gimpo Intl Airport to Washington, D.C.?

Travelers seeking maximum savings on their Seoul Gimpo Intl Airport to Washington, D.C. flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

When deciding which route to take from Seoul Gimpo Intl Airport to Washington, D.C. consider Seoul Gimpo Intl - Washington, D.C. Dulles Intl, Seoul Gimpo Intl - Washington, D.C. Reagan-National or Seoul Gimpo Intl - Baltimore/Washington as they are the most popular.

How far in advance should I book a flight from Seoul Gimpo Intl Airport to Washington, D.C.?

To save on the cost of your flight from Seoul Gimpo Intl Airport to Washington, D.C., book at least 44 days before your planned departure. Booking around this time can save you about 51% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,054 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,054.

What is the cheapest month to fly from Seoul Gimpo Intl Airport to Washington, D.C.?

Flights from Seoul Gimpo Intl Airport to Washington, D.C. lean towards being more expensive in August. Prices are generally better when you fly from Seoul Gimpo Intl Airport to Washington, D.C. in February, with the cheapest ticket starting at $738.

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

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

Most accurate provider : When it comes to deals on Seoul Gimpo Intl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul Gimpo Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul Gimpo Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seoul Gimpo Intl Airport-Washington, D.C. 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 Seoul Gimpo Intl Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$458+ Flights from Seoul Gimpo Intl Airport to Washington, D.C.

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$889 (lol.travel)
One-way from	$458 (Air China)
Popular in	August
Cheapest in	February
Average price	$770

Provider with most accurate pricing for Seoul Gimpo Intl-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Seoul Gimpo Intl-Washington, D.C. (WAS) flights.

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From Seoul Gimpo Intl to Washington, D.C. (WAS)

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One-way flight from Seoul Gimpo Intl to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 24% potential increase in price ($375 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($64 potential savings vs. average RT price).

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Average for round-trip flights in February 2025

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

Cheapest flights from Gimpo Intl to Washington, D.C.
Explore the most affordable flight options available from Gimpo Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Thu 3/67:50 pmGMP - IAD

1 stop27h 20mANA

Wed 3/1912:10 pmIAD - GMP

1 stop34h 10mANA

Deal found 2/19

$889

Mon 4/712:05 pmGMP - DCA

2 stops23h 24mJapan Airlines

Wed 4/166:35 amDCA - GMP

2 stops26h 15mJapan Airlines

Deal found 2/20

$1,010

Tue 5/207:55 pmGMP - DCA

2 stops31h 16mANA

Tue 7/223:30 pmDCA - GMP

2 stops30h 35mANA

Deal found 2/20

$1,064

Mon 2/242:25 pmGMP - IAD

1 stop37h 45mAir China

Sat 3/155:35 pmIAD - GMP

2 stops30h 30mAir China

Deal found 2/19

$1,110

Thu 3/67:50 amGMP - DCA

2 stops21h 58mMultiple Airlines

Wed 3/199:59 amDCA - GMP

2 stops23h 21mMultiple Airlines

Deal found 2/19

$1,150

Sun 10/267:50 amGMP - IAD

2 stops35h 05mJapan Airlines

Wed 10/297:00 amIAD - GMP

2 stops26h 20mJapan Airlines

Deal found 2/19

$1,153

Mon 3/102:25 pmGMP - IAD

1 stop37h 45mMultiple Airlines

Wed 4/97:00 amIAD - GMP

2 stops25h 50mMultiple Airlines

Deal found 2/19

$1,418

Mon 5/197:40 amGMP - BWI

2 stops50h 57mMultiple Airlines

Mon 6/27:05 pmBWI - GMP

2 stops58h 30mMultiple Airlines

Deal found 2/20

$1,533

Wed 8/207:40 amGMP - BWI

2 stops26h 17mANA

Wed 12/1710:45 amBWI - GMP

2 stops21h 45mANA

Deal found 2/20

$1,968

Best flights from Gimpo Intl to Washington, D.C.
Discover carefully curated flight deals from Gimpo Intl to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Thu 3/67:50 pmGMP - IAD

1 stop27h 20mANA

Wed 3/1912:10 pmIAD - GMP

1 stop34h 10mANA

Deal found 2/19

$889

Mon 4/712:05 pmGMP - DCA

2 stops23h 24mJapan Airlines

Wed 4/166:35 amDCA - GMP

2 stops26h 15mJapan Airlines

Deal found 2/20

$1,010

Thu 3/67:50 amGMP - DCA

2 stops21h 58mMultiple Airlines

Wed 3/199:59 amDCA - GMP

2 stops23h 21mMultiple Airlines

Deal found 2/19

$1,150

Mon 3/102:25 pmGMP - IAD

1 stop37h 45mAir China

Tue 4/86:00 pmIAD - GMP

2 stops30h 05mAir China

Deal found 2/19

$1,283

Tue 5/207:55 pmGMP - DCA

2 stops31h 16mANA

Tue 7/223:30 pmDCA - GMP

2 stops30h 35mANA

Deal found 2/20

$1,064

Mon 3/102:25 pmGMP - IAD

1 stop37h 45mMultiple Airlines

Wed 4/97:00 amIAD - GMP

2 stops25h 50mMultiple Airlines

Deal found 2/19

$1,418

Sun 5/1812:05 pmGMP - IAD

2 stops32h 31mJapan Airlines

Sat 5/247:00 amIAD - GMP

2 stops25h 50mJapan Airlines

Deal found 2/19

$1,604

Mon 5/197:40 amGMP - BWI

2 stops50h 57mMultiple Airlines

Mon 6/27:05 pmBWI - GMP

2 stops58h 30mMultiple Airlines

Deal found 2/20

$1,533

Sun 3/27:45 amGMP - BWI

2 stops27h 27mANA

Wed 3/510:51 amBWI - GMP

2 stops41h 44mANA

Deal found 2/20

$2,025

Last-minute flights from Gimpo Intl to Washington, D.C.
Discover last-minute flight deals from Gimpo Intl to Washington, D.C.. Data last updated February 20, 2025 and is based on user searches.

Mon 2/242:25 pmGMP - IAD

1 stop37h 45mAir China

Sat 3/155:35 pmIAD - GMP

2 stops30h 30mAir China

Deal found 2/19

$1,110

Sat 3/18:35 amGMP - IAD

1 stop19h 35mAir China

Sun 3/26:00 amIAD - GMP

2 stops41h 05mAir China

Deal found 2/18

$1,782

Sat 3/18:35 amGMP - IAD

1 stop19h 35mMultiple Airlines

Sun 3/211:05 amIAD - GMP

1 stop21h 25mMultiple Airlines

Deal found 2/19

$2,511

Sun 3/27:45 amGMP - IAD

2 stops37h 41mANA

Wed 3/511:05 amIAD - GMP

1 stop34h 15mANA

Deal found 2/20

$1,034

Sun 3/27:40 pmGMP - DCA

2 stops34h 46mJapan Airlines

Wed 3/56:32 amDCA - GMP

2 stops25h 48mJapan Airlines

Deal found 2/20

$1,062

Sun 3/27:45 amGMP - BWI

2 stops27h 27mANA

Wed 3/510:51 amBWI - GMP

2 stops41h 44mANA

Deal found 2/20

$2,025

Thu 3/67:50 pmGMP - IAD

1 stop27h 20mANA

Wed 3/1912:10 pmIAD - GMP

1 stop34h 10mANA

Deal found 2/19

$889

Thu 3/67:50 amGMP - DCA

2 stops21h 58mMultiple Airlines

Wed 3/199:59 amDCA - GMP

2 stops23h 21mMultiple Airlines

Deal found 2/19

$1,150

Mon 3/102:25 pmGMP - IAD

1 stop37h 45mMultiple Airlines

Wed 4/97:00 amIAD - GMP

2 stops25h 50mMultiple Airlines

Deal found 2/19

$1,418

Fri 3/287:50 amGMP - BWI

2 stops23h 21mMultiple Airlines

Fri 4/47:30 amBWI - GMP

2 stops38h 15mMultiple Airlines

Deal found 2/20

$1,633

One-way flights from Gimpo Intl to Washington, D.C.
Search for one-way flight options from Gimpo Intl to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Mon 3/172:25 pmGMP - IAD

1 stop37h 45mAir China

Deal found 2/19

$458

Tue 5/612:05 pmGMP - DCA

2 stops23h 31mJapan Airlines

Deal found 2/19

$600

Mon 3/248:50 pmGMP - IAD

2 stops31h 20mMultiple Airlines

Deal found 2/19

$693

Mon 5/197:55 amGMP - IAD

2 stops36h 41mJapan Airlines

Deal found 2/19

$708

Tue 5/67:55 amGMP - BWI

3 stops29h 11mMultiple Airlines

Deal found 2/19

$765

Mon 4/287:55 amGMP - DCA

2 stops21h 01mMultiple Airlines

Deal found 2/19

$769

Wed 5/77:55 amGMP - BWI

2 stops22h 55mJapan Airlines

Deal found 2/19

$888

Sun 5/117:55 pmGMP - IAD

1 stop27h 10mANA

Deal found 2/19

$1,198

Mon 6/237:55 pmGMP - BWI

2 stops31h 02mANA

Deal found 2/19

$1,294

Sun 3/238:35 amGMP - BWI

2 stops33h 54mAir China

Deal found 2/19

$1,887

Sun 3/2312:25 pmGMP - DCA

2 stops21h 32mANA

Deal found 2/19

$2,295

Find flights from Gimpo Intl to Washington, D.C. within your budget

Fly from

Fly to

Route

Depart

Return

Price

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Thu 3/6

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Wed 3/19

12:10 pm-11:20 am

1 stop34h 10m

$889

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 4/7

12:05 pm-10:29 pm

2 stops23h 24m

Washington, D.C. Reagan-National

Wed 4/16

6:35 am-9:50 pm

2 stops26h 15m

$1,010

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Tue 5/20

7:55 pm-2:11 pm

2 stops31h 16m

Washington, D.C. Reagan-National

Tue 7/22

3:30 pm-11:05 am

2 stops30h 35m

$1,064

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 3/6

7:50 am-3:48 pm

2 stops21h 58m

Washington, D.C. Reagan-National

Wed 3/19

9:59 am-10:20 pm

2 stops23h 21m

$1,150

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 3/10

2:25 pm-3:10 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Tue 4/8

6:00 pm-1:05 pm

2 stops30h 05m

$1,283

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 3/10

2:25 pm-3:10 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Wed 4/9

7:00 am-9:50 pm

2 stops25h 50m

$1,418

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Mon 5/19

7:40 am-9:37 pm

2 stops50h 57m

Baltimore/Washington

Mon 6/2

7:05 pm-6:35 pm

2 stops58h 30m

$1,533

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Sun 5/18

12:05 pm-7:36 am

2 stops32h 31m

Washington, D.C. Dulles Intl

Sat 5/24

7:00 am-9:50 pm

2 stops25h 50m

$1,604

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

Sun 3/2

7:45 am-9:12 pm

2 stops27h 27m

Baltimore/Washington

Wed 3/5

10:51 am-6:35 pm

2 stops41h 44m

$2,025

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 3/17

2:25 pm-3:10 pm

1 stop37h 45m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 20 results

Most accurate provider: When it comes to deals on Seoul Gimpo Intl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul Gimpo Intl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul Gimpo Intl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seoul Gimpo Intl Airport-Washington, D.C. 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 Seoul Gimpo Intl Airport-Washington, D.C. 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 Gimpo Intl to Washington, D.C.

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

Travel insights for flights from Gimpo Intl to Washington, D.C.

Get recent, data-driven insights about flights from Gimpo Intl to Washington, D.C. including ideal travel times, pricing trends, and more.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 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 Washington, D.C.

See what other customers who have flown with ANA and Japan Airlines from Seoul to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

842 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

ANA

8.4

Very good

842 reviews

ANA

8.4

Very good

842 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Japan Airlines

8.3

Very good

1,440 reviews

ANA

8.4

Very good

842 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Related info for your journey

What are the cheapest airlines to fly from Seoul Gimpo Intl Airport to Washington, D.C. one-way?
To fly one-way, consider booking your trip with Air China, which is currently one of the cheapest options available, starting at $458. Japan Airlines flights start at $600 while deals on ANA start at $1,198 one-way.
What are the most popular routes from Seoul Gimpo Intl Airport to Washington, D.C.?
When deciding which route to take from Seoul Gimpo Intl Airport to Washington, D.C. consider Seoul Gimpo Intl - Washington, D.C. Dulles Intl, Seoul Gimpo Intl - Washington, D.C. Reagan-National or Seoul Gimpo Intl - Baltimore/Washington as they are the most popular.
Can I find deals for flights from Gimpo Intl to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Gimpo Intl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Gimpo Intl to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gimpo Intl to Washington, D.C..
Can I find deals for business class flights from Gimpo Intl to Washington, D.C.?
Yes. Cheapflights offers flight deals from Gimpo Intl to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seoul Gimpo Intl Airport to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Seoul Gimpo Intl Airport to Washington, D.C. (average of $309). Flying from Seoul Gimpo Intl Airport to Washington, D.C. in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$458+ Cheap flights from Gimpo Intl (GMP) to Washington, D.C. (WAS)

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Gimpo Intl to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

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Round-trip from

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Popular in

Cheapest in

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

Cheapest flights from Gimpo Intl to Washington, D.C.Explore the most affordable flight options available from Gimpo Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Explore the most affordable flight options available from Gimpo Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Find flights from Gimpo Intl to Washington, D.C. within your budget

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Gimpo Intl with our price prediction graph.

Travel insights for flights from Gimpo Intl to Washington, D.C.

Get recent, data-driven insights about flights from Gimpo Intl to Washington, D.C. including ideal travel times, pricing trends, and more.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with ANA and Japan Airlines from Seoul to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

What is the cheapest month to book a flight from Seoul Gimpo Intl Airport to Washington, D.C.?

Traveling to a place near Seoul Gimpo Intl Airport?

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Cheapest flights from Gimpo Intl to Washington, D.C.
Explore the most affordable flight options available from Gimpo Intl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.