What is the cheapest airline that flies from Seoul Gimpo Intl to Washington, D.C. Dulles Intl?

Air China is the most popular carrier operating from Seoul Gimpo Intl to Washington, D.C. Dulles Intl

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$672 Cheap Flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport in 2025/26

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One-way

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Cheap round-trip flights

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7:50 pm - 9:10 am

GMP

IAD

27h 20m1 stop

12:15 pm - 10:30 pm

IAD

GMP

21h 15m1 stop

$1,006ANA

Wed, Feb 11 - Mon, Mar 9

12:25 pm - 9:10 am

GMP

IAD

34h 45m1 stop

12:15 pm - 10:30 pm

IAD

GMP

21h 15m1 stop

$1,027ANA

Wed, Feb 11 - Mon, Mar 9

7:50 pm - 9:21 pm

GMP

IAD

39h 31m2 stops

9:55 am - 1:10 pm

IAD

GMP

38h 15m2 stops

$1,126Multiple Airlines

Wed, Feb 25 - Sat, Aug 29

12:25 pm - 9:10 am

GMP

IAD

34h 45m1 stop

12:15 pm - 10:20 pm

IAD

GMP

21h 05m1 stop

$1,133ANA

Wed, Feb 25 - Sat, Aug 29

7:50 pm - 9:10 am

GMP

IAD

27h 20m1 stop

3:30 pm - 10:20 pm

IAD

GMP

41h 50m2 stops

$1,150ANA

Wed, Feb 25 - Sat, Aug 29

7:50 pm - 9:10 am

GMP

IAD

27h 20m1 stop

1:02 pm - 11:20 am

IAD

GMP

32h 18m2 stops

$1,286ANA

Thu, Feb 5 - Thu, Feb 12

12:25 pm - 9:10 am

GMP

IAD

34h 45m1 stop

12:40 pm - 10:30 pm

IAD

GMP

43h 50m2 stops

$1,306ANA

Thu, Jan 15 - Wed, Feb 4

7:55 pm - 10:05 am

GMP

IAD

27h 10m1 stop

12:15 pm - 10:20 pm

IAD

GMP

21h 05m1 stop

$1,331ANA

Wed, Apr 22 - Fri, Jul 17

7:40 pm - 4:31 pm

GMP

IAD

34h 51m2 stops

6:00 am - 10:05 pm

IAD

GMP

26h 05m2 stops

$1,337Multiple Airlines

Thu, Feb 5 - Thu, Feb 12

7:50 pm - 9:10 am

GMP

IAD

27h 20m1 stop

11:10 am - 10:30 pm

IAD

GMP

21h 20m1 stop

$1,338ANA

Thu, Jan 15 - Fri, Feb 20

Air China flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Air China deals on Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets

Air China

Jan 6

GMP2:25 pmSeoul Gimpo Intl

18h 05m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Jan 20

IAD10:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$1,404

Find similar

Air China

Jan 9

GMP2:25 pmSeoul Gimpo Intl

18h 05m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Feb 6

IAD10:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$1,735

Find similar

Air China

Jan 9

GMP2:25 pmSeoul Gimpo Intl

18h 05m

1 stop

IAD6:30 pmWashington, D.C. Dulles Intl

Feb 6

IAD10:00 pmWashington, D.C. Dulles Intl

25h 05m

1 stop

GMP1:05 pmSeoul Gimpo Intl

$1,833

Find similar

ANA flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

Our best ANA deals on Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets

ANA

Feb 11

GMP7:50 pmSeoul Gimpo Intl

27h 20m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Mar 9

IAD12:15 pmWashington, D.C. Dulles Intl

21h 15m

1 stop

GMP10:30 pmSeoul Gimpo Intl

$1,006

Find similar

ANA

Feb 5

GMP7:50 pmSeoul Gimpo Intl

27h 20m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Feb 12

IAD1:02 pmWashington, D.C. Dulles Intl

32h 18m

2 stops

GMP11:20 amSeoul Gimpo Intl

$1,286

Find similar

ANA

Jan 15

GMP12:25 pmSeoul Gimpo Intl

34h 45m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Feb 4

IAD12:40 pmWashington, D.C. Dulles Intl

43h 50m

2 stops

GMP10:30 pmSeoul Gimpo Intl

$1,306

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 2/11

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 3/9

12:15 pm-10:30 pm

1 stop21h 15m

$1,006

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 2/11

12:25 pm-9:10 am

1 stop34h 45m

Washington, D.C. Dulles Intl

Mon 3/9

12:15 pm-10:30 pm

1 stop21h 15m

$1,027

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 2/25

7:50 pm-9:21 pm

2 stops39h 31m

Washington, D.C. Dulles Intl

Sat 8/29

9:55 am-1:10 pm

2 stops38h 15m

$1,126

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 2/25

12:25 pm-9:10 am

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 8/29

12:15 pm-10:20 pm

1 stop21h 05m

$1,133

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 2/25

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Sat 8/29

3:30 pm-10:20 pm

2 stops41h 50m

$1,150

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Thu 2/5

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Thu 2/12

1:02 pm-11:20 am

2 stops32h 18m

$1,286

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Thu 1/15

12:25 pm-9:10 am

1 stop34h 45m

Washington, D.C. Dulles Intl

Wed 2/4

12:40 pm-10:30 pm

2 stops43h 50m

$1,306

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 4/22

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Fri 7/17

12:15 pm-10:20 pm

1 stop21h 05m

$1,331

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Thu 2/5

7:40 pm-4:31 pm

2 stops34h 51m

Washington, D.C. Dulles Intl

Thu 2/12

6:00 am-10:05 pm

2 stops26h 05m

$1,337

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Thu 1/15

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Fri 2/20

11:10 am-10:30 pm

1 stop21h 20m

$1,338

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Sunday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,392. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport for around $1,648.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Seoul Gimpo Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $922 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,537 on average. Flights to Washington, D.C. Dulles Intl Airport from Seoul Gimpo Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport (GMP to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

Fastest flight time	21h 17m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport takes 21h 17m

There are no direct flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport.

Search flight deals

How far is Seoul Gimpo Intl to Washington, D.C. Dulles Intl by plane?
Seoul Gimpo Intl and Washington, D.C. Dulles Intl are 6925.2 mi apart from one another. A reasonable flight in good conditions will take 21h 17m.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport were last updated today.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Harpers Ferry

Gaithersburg

Reston

Manassas

Sterling

Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Washington, D.C.?

It is quick and easy to find Seoul to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Seoul to Washington, D.C. with flexible booking policies on momondo?

Flights from Seoul to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Washington, D.C.?

momondo helps you find the best flight between Seoul and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seoul to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seoul to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Seoul Gimpo Intl Airport to Washington, D.C. from $672

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Big names and deals

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Find the cheapest flights from Seoul Gimpo Intl Airport to Washington, D.C.

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Air China flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Air China deals on Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets

ANA flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

Our best ANA deals on Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest airline that flies from Seoul Gimpo Intl to Washington, D.C. Dulles Intl?

Air China is the most popular carrier operating from Seoul Gimpo Intl to Washington, D.C. Dulles Intl

When to book flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

Cheap Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport (GMP to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport

Fastest flight time

Direct flights

How far is Seoul Gimpo Intl to Washington, D.C. Dulles Intl by plane?

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly from Seoul Gimpo Intl Airport to Washington, D.C. Dulles Intl Airport?

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Washington, D.C.?

Can I find flights from Seoul to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Seoul to Washington, D.C.?

I’m not ready to book a flight from Seoul to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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Popular flights according to clicks in the last 7 days on momondo