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

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

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 49% 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.

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

14 flights are operational weekly from Seoul to District of Columbia as of December 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

On average, it takes 13h 35m 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 18h 36m.

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 2 per day as of December 2025. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

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 December 2025.

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.

$383 Cheap Flights from Seoul to District of Columbia in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 pm - 10:22 am

ICN

IAD

29h 07m2 stops

3:11 pm - 3:30 pm

IAD

ICN

35h 19m2 stops

$483American Airlines

Tue, Feb 24 - Tue, Mar 31

7:15 pm - 10:22 am

ICN

IAD

29h 07m2 stops

5:37 pm - 3:30 pm

IAD

ICN

32h 53m1 stop

$490American Airlines

Tue, Feb 24 - Tue, Mar 31

12:45 pm - 1:07 am

ICN

IAD

26h 22m1 stop

1:02 pm - 5:40 am

IAD

ICN

26h 38m2 stops

$511United Airlines

Fri, Dec 26 - Tue, Feb 17

6:00 pm - 1:07 am

ICN

IAD

21h 07m1 stop

8:25 am - 5:40 am

IAD

ICN

31h 15m1 stop

$513United Airlines

Fri, Dec 26 - Thu, Feb 5

8:35 pm - 4:26 pm

ICN

IAD

33h 51m1 stop

6:04 pm - 6:35 pm

IAD

ICN

34h 31m1 stop

$541Hawaiian Airlines

Thu, Jan 29 - Fri, Feb 6

8:35 pm - 4:26 pm

ICN

IAD

33h 51m1 stop

6:04 pm - 6:35 pm

IAD

ICN

34h 31m1 stop

$543Hawaiian Airlines

Thu, Jan 29 - Sat, Jan 31

8:35 pm - 4:26 pm

ICN

IAD

33h 51m1 stop

7:05 am - 6:35 pm

IAD

ICN

21h 30m1 stop

$569Multiple Airlines

Mon, Feb 2 - Sat, Feb 28

8:35 pm - 5:40 am

ICN

IAD

23h 05m1 stop

7:00 am - 6:35 pm

IAD

ICN

22h 35m1 stop

$584Multiple Airlines

Fri, Feb 20 - Wed, Mar 25

7:50 pm - 9:10 am

GMP

IAD

27h 20m1 stop

12:15 pm - 11:20 am

IAD

GMP

34h 05m1 stop

$1,006ANA

Wed, Feb 11 - Mon, Mar 9

7:50 pm - 9:10 am

GMP

IAD

27h 20m1 stop

12:15 pm - 10:30 pm

IAD

GMP

21h 15m1 stop

$1,010ANA

Wed, Feb 11 - Mon, Mar 9

Alaska Airlines flights from Seoul to District of Columbia

Our best Alaska Airlines deals on Seoul to District of Columbia flight tickets

Alaska Airlines

Apr 24

ICN8:35 pmIncheon Intl

33h 02m

1 stop

IAD4:37 pmWashington, D.C. Dulles Intl

Apr 25

IAD7:01 pmWashington, D.C. Dulles Intl

34h 34m

1 stop

ICN6:35 pmIncheon Intl

$778

Find similar

Alaska Airlines

Jun 8

ICN8:35 pmIncheon Intl

24h 01m

1 stop

IAD7:36 amWashington, D.C. Dulles Intl

Sep 7

IAD9:00 amWashington, D.C. Dulles Intl

20h 35m

1 stop

ICN6:35 pmIncheon Intl

$786

Find similar

ANA flights from Seoul to District of Columbia

Our best ANA deals on Seoul to District of Columbia 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

34h 05m

1 stop

GMP11:20 amSeoul Gimpo Intl

$1,006

Find similar

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

$1,010

Find similar

ANA

Mar 3

GMP12:25 pmSeoul Gimpo Intl

33h 04m

2 stops

IAD7:29 amWashington, D.C. Dulles Intl

Apr 16

IAD12:15 pmWashington, D.C. Dulles Intl

33h 50m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,043

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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

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 2/24

7:15 pm-10:22 am

2 stops29h 07m

Washington, D.C. Dulles Intl

Tue 3/31

3:11 pm-3:30 pm

2 stops35h 19m

$483

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 2/24

7:15 pm-10:22 am

2 stops29h 07m

Washington, D.C. Dulles Intl

Tue 3/31

5:37 pm-3:30 pm

1 stop32h 53m

$490

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 12/26

12:45 pm-1:07 am

1 stop26h 22m

Washington, D.C. Dulles Intl

Tue 2/17

1:02 pm-5:40 am

2 stops26h 38m

$511

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 12/26

6:00 pm-1:07 am

1 stop21h 07m

Washington, D.C. Dulles Intl

Thu 2/5

8:25 am-5:40 am

1 stop31h 15m

$513

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 1/29

8:35 pm-4:26 pm

1 stop33h 51m

Washington, D.C. Dulles Intl

Fri 2/6

6:04 pm-6:35 pm

1 stop34h 31m

$541

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 1/29

8:35 pm-4:26 pm

1 stop33h 51m

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-6:35 pm

1 stop34h 31m

$543

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 2/2

8:35 pm-4:26 pm

1 stop33h 51m

Washington, D.C. Dulles Intl

Sat 2/28

7:05 am-6:35 pm

1 stop21h 30m

$569

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 2/20

8:35 pm-5:40 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Wed 3/25

7:00 am-6:35 pm

1 stop22h 35m

$584

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-11:20 am

1 stop34h 05m

$1,006

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

$1,010

Flights are sorted by cheapest round-trip flights first.

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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 $1,502. 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 time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Seoul in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,050 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $1,544. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,259 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 $927 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.

Can stopping save me money on Seoul to District of Columbia flights?

You could potentially save up to 7% on your flight if you consider stops on a Seoul to District of Columbia flight.

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	$1,055
Fastest flight time	13h 35m
Direct flights	Every day
Airports in District of Columbia	2 airports

The best one-way flight to District of Columbia from Seoul in the past 72 hours is $1,055. The best round-trip flight deal from Seoul to District of Columbia found on momondo in the last 72 hours is $1,327.

The fastest flight from Seoul to District of Columbia takes 13h 35m

Direct flights go from Seoul to District of Columbia every day.

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 December 2025.
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 64.36% of the total bookings. Other popular models include Airbus A350-900 with 18.81%, Boeing 747-8 with 11.88%, and Boeing 787-9 Dreamliner with 1.98%.

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 7.2 11,049 reviews	Search American Airlines flights
United Airlines	PriceFrom $512	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Delta	PriceFrom $649	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Air Canada	PriceFrom $688	Free Cancellation	Rating 7.1 10,531 reviews	Search Air Canada flights
Korean Air	PriceFrom $1,195	Free Cancellation	Rating 8.4 1,186 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.

An easier way to manage your District of Columbia 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.

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Find better results for your trip to District of Columbia

Popular cities in District of Columbia

Flights to New Yorkfrom $45

Flights to Los Angelesfrom $48

Flights to Miamifrom $49

Flights to Chicagofrom $58

Flights to Orlandofrom $40

Flights to San Franciscofrom $58

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $57

Flights to Bostonfrom $51

Flights to Atlantafrom $46

Flights to Dallasfrom $57

Flights to Seattlefrom $58

District of Columbia flight routes

Flights from Boston Logan Intl to Washington, D.C. Reagan-National

Flights from Boston Logan Intl to Washington, D.C. Dulles Intl

Flights from San Francisco to Washington, D.C. Dulles Intl

Flights from Los Angeles to Washington, D.C. Dulles Intl

Flights from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl

Cheap flights from Seoul to District of Columbia from $398

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to District of Columbia departing on 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Seoul to District of Columbia

Cheap round-trip flights

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Cheap last minute flights

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Alaska Airlines flights from Seoul to District of Columbia

Our best Alaska Airlines deals on Seoul to District of Columbia flight tickets

ANA flights from Seoul to District of Columbia

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

momondo Fare Finder

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

See travel insights to District of Columbia from

How to get the cheapest flight ticket from Seoul to District of Columbia

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

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

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?

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.

Can stopping save me money on Seoul to District of Columbia flights?

You could potentially save up to 7% on your flight if you consider stops on a Seoul to District of Columbia flight.

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

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

What airlines fly to District of Columbia?

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 2 per day as of December 2025. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

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

14 flights are operational weekly from Seoul to District of Columbia as of December 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

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

Fastest flight time

Direct flights

Airports in District of Columbia

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

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

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

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

What is the most popular plane model from Seoul to District of Columbia?

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

Why use momondo?

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

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

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

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

An easier way to manage your District of Columbia 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 District of Columbia

Popular cities in District of Columbia

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