How long is the flight from Seoul to District of Columbia?

On average, it takes 13h 50m to fly from Seoul to District of Columbia if you fly out of Incheon (the most popular airport in Seoul) and into Washington, D.C. Dulles Intl Airport (the most popular airport in District of Columbia). If you’re flying out of Seoul and into Washington, D.C. Dulles Intl Airport, then the flight time is around 25h 44m.

How many flights depart from Seoul to District of Columbia on average per week?

12 flights are operational weekly from Seoul to District of Columbia as of March 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

How many flights depart from Seoul to District of Columbia on average per day?

The number of flights available between Seoul and District of Columbia is 1 per day as of March 2026. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

What airlines fly to District of Columbia?

Korean Air, Delta and United Airlines are the top three most popular airlines that fly to District of Columbia from Seoul according to our data. Korean Air is the first choice among our users, with 40% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Seoul to District of Columbia?

Alaska Airlines, Japan Airlines, and EVA Air are the most popular carriers operating from Seoul to District of Columbia

When did momondo last update prices for flights from Seoul to District of Columbia?

Prices for flights from Seoul to District of Columbia were last updated today.

How many operators does momondo search for flights from Seoul to District of Columbia?

There are 5 operators available for flights from Seoul to District of Columbia as of March 2026.

How old do you have to be to fly from Seoul to District of Columbia?

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 to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The necessary travel and health documents for your District of Columbia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$490 Cheap Flights from Seoul to District of Columbia in 2026

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Find the cheapest flights from Seoul to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:35 pm - 12:09 am

ICN

IAD

17h 34m

1 stop

7:20 pm - 5:30 pm

IAD

ICN

33h 10m

1 stop

$614Alaska Airlines

Wed, Apr 22 - Wed, Apr 29

11:30 am - 10:19 pm

ICN

IAD

23h 49m

1 stop

5:41 pm - 4:20 am

IAD

ICN

21h 39m

2 stops

$643United Airlines

Tue, Jun 9 - Mon, Sep 7

7:35 pm - 11:59 pm

ICN

IAD

17h 24m

1 stop

9:00 am - 5:30 pm

IAD

ICN

19h 30m

1 stop

$653Alaska Airlines

Thu, Jun 4 - Sun, Sep 6

11:30 am - 12:55 am

ICN

IAD

26h 25m

1 stop

10:10 pm - 3:20 pm

IAD

ICN

28h 10m

1 stop

$720Asiana Airlines

Mon, Jun 8 - Wed, Sep 30

5:45 pm - 8:55 am

ICN

DCA

28h 10m

2 stops

11:00 am - 5:30 pm

DCA

ICN

17h 30m

1 stop

$857Air Canada

Tue, Sep 8 - Fri, Sep 11

5:45 pm - 8:55 am

ICN

DCA

28h 10m

2 stops

6:00 am - 5:30 pm

DCA

ICN

22h 30m

2 stops

$861Air Canada

Tue, Sep 8 - Fri, Sep 11

1:50 pm - 10:30 pm

GMP

IAD

21h 40m

1 stop

1:50 am - 7:15 pm

IAD

GMP

28h 25m

1 stop

$1,106EVA Air

Fri, Jul 3 - Mon, Aug 31

7:15 pm - 10:30 pm

GMP

IAD

40h 15m

1 stop

1:15 am - 12:50 pm

IAD

GMP

22h 35m

1 stop

$1,145EVA Air

Tue, Jun 30 - Wed, Sep 2

7:55 pm - 2:22 pm

GMP

DCA

31h 27m

2 stops

3:30 pm - 11:05 am

DCA

GMP

30h 35m

2 stops

$1,201ANA

Tue, Jul 7 - Tue, Aug 4

7:55 pm - 10:05 am

GMP

IAD

27h 10m

1 stop

12:15 pm - 10:20 pm

IAD

GMP

21h 05m

1 stop

$1,253ANA

Wed, Jul 1 - Tue, Sep 1

ANA flights from Seoul to District of Columbia

Our best ANA deals on Seoul to District of Columbia flight tickets

ANA

Jun 17

GMP7:55 pmSeoul Gimpo Intl

31h 13m

2 stops

IAD2:08 pmWashington, D.C. Dulles Intl

Jul 31

IAD3:30 pmWashington, D.C. Dulles Intl

30h 35m

2 stops

GMP11:05 amSeoul Gimpo Intl

$1,093

ANA

Jul 7

GMP7:55 pmSeoul Gimpo Intl

31h 27m

2 stops

DCA2:22 pmWashington, D.C. Reagan-National

Aug 4

DCA3:30 pmWashington, D.C. Reagan-National

30h 35m

2 stops

GMP11:05 amSeoul Gimpo Intl

$1,201

ANA

Mar 25

GMP12:25 pmSeoul Gimpo Intl

34h 45m

1 stop

IAD10:10 amWashington, D.C. Dulles Intl

Apr 5

IAD12:15 pmWashington, D.C. Dulles Intl

21h 05m

1 stop

GMP10:20 pmSeoul Gimpo Intl

$1,788

Ethiopian Air flights from Seoul to District of Columbia

Our best Ethiopian Air deals on Seoul to District of Columbia flight tickets

Ethiopian Air

Apr 1

ICN12:20 amIncheon Intl

45h 35m

2 stops

IAD8:55 amWashington, D.C. Dulles Intl

Jun 3

IAD9:40 pmWashington, D.C. Dulles Intl

29h 20m

2 stops

ICN4:00 pmIncheon Intl

$1,512

Ethiopian Air

Apr 6

ICN12:20 amIncheon Intl

45h 35m

2 stops

IAD8:55 amWashington, D.C. Dulles Intl

Apr 18

IAD9:40 pmWashington, D.C. Dulles Intl

29h 20m

2 stops

ICN4:00 pmIncheon Intl

$1,522

Ethiopian Air

Mar 28

ICN11:40 pmIncheon Intl

46h 15m

2 stops

IAD8:55 amWashington, D.C. Dulles Intl

Apr 11

IAD9:40 pmWashington, D.C. Dulles Intl

29h 20m

2 stops

ICN4:00 pmIncheon Intl

$1,539

momondo Fare Finder

Use the filters below to find and compare flights from Seoul to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 4/22

7:35 pm-12:09 am

1 stop17h 34m

Washington, D.C. Dulles Intl

Wed 4/29

7:20 pm-5:30 pm

1 stop33h 10m

$614

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 6/9

11:30 am-10:19 pm

1 stop23h 49m

Washington, D.C. Dulles Intl

Mon 9/7

5:41 pm-4:20 am

2 stops21h 39m

$643

Quickest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 6/4

7:35 pm-11:59 pm

1 stop17h 24m

Washington, D.C. Dulles Intl

Sun 9/6

9:00 am-5:30 pm

1 stop19h 30m

$653

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 6/8

11:30 am-12:55 am

1 stop26h 25m

Washington, D.C. Dulles Intl

Wed 9/30

10:10 pm-3:20 pm

1 stop28h 10m

$720

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 9/8

5:45 pm-8:55 am

2 stops28h 10m

Washington, D.C. Reagan-National

Fri 9/11

11:00 am-5:30 pm

1 stop17h 30m

$857

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 9/8

5:45 pm-8:55 am

2 stops28h 10m

Washington, D.C. Reagan-National

Fri 9/11

6:00 am-5:30 pm

2 stops22h 30m

$861

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Fri 7/3

1:50 pm-10:30 pm

1 stop21h 40m

Washington, D.C. Dulles Intl

Mon 8/31

1:50 am-7:15 pm

1 stop28h 25m

$1,106

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Tue 6/30

7:15 pm-10:30 pm

1 stop40h 15m

Washington, D.C. Dulles Intl

Wed 9/2

1:15 am-12:50 pm

1 stop22h 35m

$1,145

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Tue 7/7

7:55 pm-2:22 pm

2 stops31h 27m

Washington, D.C. Reagan-National

Tue 8/4

3:30 pm-11:05 am

2 stops30h 35m

$1,201

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 7/1

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Tue 9/1

12:15 pm-10:20 pm

1 stop21h 05m

$1,253

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 to District of Columbia

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

Other information

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Sunday when prices can be found for as low as $1,350. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Seoul because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,648.

What is the cheapest Seoul to District of Columbia flight route?

Fly from Incheon Intl to Washington, D.C. Dulles Intl for the best Seoul - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $1,313 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Seoul for as low as $865 on momondo.

What cabin class options are available on Seoul to District of Columbia flights?

There are 4 cabin classes available to choose from on Seoul to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Seoul to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to District of Columbia

Best Price Found	$628
Fastest flight time	13h 50m
Direct flights	Mon, Tue, Thu and Sat
Airports in District of Columbia	2 airports

The best one-way flight to District of Columbia from Seoul in the past 72 hours is $628. The best round-trip flight deal from Seoul to District of Columbia found on momondo in the last 72 hours is $898.

The fastest flight from Seoul to District of Columbia takes 13h 50m

Direct flights go from Seoul to District of Columbia on Monday, Tuesday, Thursday and Saturday. There are no airlines offering direct flights.

There are 2 airports in District of Columbia. From Seoul there are direct flights to Washington, D.C. Dulles Intl (IAD).

Search flight deals

When did momondo last update prices for flights from Seoul to District of Columbia?
Prices for flights from Seoul to District of Columbia were last updated today.
How many operators does momondo search for flights from Seoul to District of Columbia?
There are 5 operators available for flights from Seoul to District of Columbia as of March 2026.
How old do you have to be to fly from Seoul to District of Columbia?
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 to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The necessary travel and health documents for your District of Columbia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seoul to District of Columbia?
Based on momondo bookings for flights between Seoul and District of Columbia, the leading plane model is Boeing 777-300ER, making up 67.73% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 24.00%, Airbus A350-900 with 5.07%, and Boeing 747-8 with 2.93%.

Best airlines flying from Seoul to District of Columbia

Compare and see reviews for airlines that fly from Seoul to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $501	Free Cancellation	Rating 7.1 11,491 reviews	Search American Airlines flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 9,471 reviews	Search United Airlines flights
Delta	PriceFrom $649	Free Cancellation	Rating 7.9 8,324 reviews	Search Delta flights
AIR PREMIA	PriceFrom $876	Free Cancellation	Rating 8.2 83 reviews	Search AIR PREMIA flights
Korean Air	PriceFrom $1,095	Free Cancellation	Rating 8.4 1,202 reviews	Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to District of Columbia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seoul to District of Columbia. momondo saves you time and could save you money on your trip.

Can I find flights from Seoul to District of Columbia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seoul to District of Columbia flights to just show those with flexible booking policies.

How can momondo help me find flights from Seoul to District of Columbia?

Once you have performed a search for Seoul to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seoul to District of Columbia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to District of Columbia, momondo offers a useful price alert feature which will track prices for flights to District of Columbia from Seoul and alert you when they change.