What airlines fly to Washington, D.C.?

Korean Air, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. from Seoul according to our data. Korean Air is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

Alaska Airlines, Japan Airlines, and United Airlines are the most popular carriers operating from Seoul to Washington, D.C.

How long does it take to fly to Washington, D.C.?

Flight times from Seoul to Washington, D.C. vary, but if you’re flying out of Incheon and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 13h 50m on average. Another popular route from Seoul to Washington, D.C. is flying from Seoul to Washington, D.C. Dulles Intl Airport, which will take roughly 21h 10m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from Seoul to Washington, D.C. on average per day?

The number of flights available between Seoul and Washington, D.C. is 2 per day as of May 2026. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

How many flights depart from Seoul to Washington, D.C. on average per week?

As of May 2026, there are 14 flights per week flying from Seoul to Washington, D.C.. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Which layover airport offers the lowest fares from Seoul to Washington, D.C.?

Flights via Toronto (YYZ) offer the lowest average round-trip price of $498.

Which airport is the most popular layover for flights between Seoul and Washington, D.C.?

Dallas (DFW) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Seoul to Washington, D.C.?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 16h 25m.

Which layover airport has the shortest connection time from Seoul to Washington, D.C.?

Atlanta (ATL) has the shortest average layover time for this route: 1h 35m.

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

Prices for flights from Seoul to Washington, D.C. refresh daily.

How many operators does momondo search for flights from Seoul to Washington, D.C.?

There are 5 operators available for flights from Seoul to Washington, D.C. as of May 2026.

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

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 Washington, D.C..

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

The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$509 Cheap Flights from Seoul to Washington, D.C. in 2026

Q: What is the typical price of a round-trip flight between Seoul and Washington, D.C.?

Prices are currently high for flights on this route. Typical prices usually range from $1,060 to $930. The lowest price recently found on this route was $1,106.

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

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Enter your travel dates to find the best prices.

5:50 pm - 7:30 pm

ICN

IAD

38h 40m

1 stop

11:00 pm - 11:35 am

IAD

ICN

23h 35m

1 stop

$1,106Air China

Thu, Jun 18 - Fri, Jul 10

3:45 pm - 7:30 pm

ICN

IAD

40h 45m

1 stop

11:00 pm - 2:20 pm

IAD

ICN

26h 20m

1 stop

$1,109Air China

Mon, Sep 7 - Fri, Sep 18

3:45 pm - 7:30 pm

ICN

IAD

40h 45m

1 stop

11:00 pm - 2:20 pm

IAD

ICN

26h 20m

1 stop

$1,110Air China

Mon, Sep 7 - Fri, Sep 18

6:00 pm - 5:52 am

ICN

BWI

24h 52m

1 stop

6:31 pm - 5:40 am

BWI

ICN

21h 09m

1 stop

$1,142United Airlines

Wed, Oct 28 - Sun, Nov 1

4:50 pm - 10:19 pm

ICN

IAD

18h 29m

1 stop

1:05 pm - 4:40 am

IAD

ICN

26h 35m

2 stops

$1,142United Airlines

Fri, Oct 16 - Fri, Oct 30

12:25 pm - 10:10 am

GMP

IAD

34h 45m

1 stop

1:05 pm - 10:30 pm

IAD

GMP

43h 25m

2 stops

$1,277ANA

Wed, Oct 28 - Tue, Nov 3

7:35 pm - 3:17 pm

ICN

BWI

32h 42m

2 stops

4:19 pm - 5:30 pm

BWI

ICN

36h 11m

2 stops

$1,279Alaska Airlines

Mon, Jun 8 - Fri, Jul 10

7:50 pm - 12:42 pm

GMP

DCA

29h 52m

2 stops

2:00 pm - 11:20 am

DCA

GMP

31h 20m

2 stops

$1,282ANA

Wed, Oct 28 - Tue, Nov 3

7:35 pm - 3:17 pm

ICN

BWI

32h 42m

2 stops

4:19 pm - 5:30 pm

BWI

ICN

36h 11m

2 stops

$1,288Alaska Airlines

Mon, Jun 8 - Wed, Jul 8

4:45 pm - 9:59 pm

ICN

DCA

42h 14m

2 stops

9:30 am - 3:40 pm

DCA

ICN

41h 10m

2 stops

$1,369Singapore Airlines

Wed, Sep 9 - Wed, Oct 28

Air Canada flights from Seoul to Washington, D.C.

Our best Air Canada deals on Seoul to Washington, D.C. flight tickets

Air Canada

May 26

ICN5:45 pmIncheon Intl

25h 37m

1 stop

IAD6:22 amWashington, D.C. Dulles Intl

Jun 16

IAD10:11 pmWashington, D.C. Dulles Intl

28h 54m

2 stops

ICN4:05 pmIncheon Intl

$1,429

Air Canada

May 22

ICN5:45 pmIncheon Intl

25h 37m

1 stop

IAD6:22 amWashington, D.C. Dulles Intl

Jul 22

IAD10:14 pmWashington, D.C. Dulles Intl

28h 51m

2 stops

ICN4:05 pmIncheon Intl

$1,434

Air Canada

May 26

ICN5:45 pmIncheon Intl

30h 26m

2 stops

IAD11:11 amWashington, D.C. Dulles Intl

Jun 16

IAD10:11 pmWashington, D.C. Dulles Intl

28h 54m

2 stops

ICN4:05 pmIncheon Intl

$1,437

AIR PREMIA flights from Seoul to Washington, D.C.

Our best AIR PREMIA deals on Seoul to Washington, D.C. flight tickets

AIR PREMIA

Nov 6

ICN10:00 amIncheon Intl

13h 50m

IAD9:50 amWashington, D.C. Dulles Intl

Nov 11

IAD12:20 pmWashington, D.C. Dulles Intl

15h 25m

ICN5:45 pmIncheon Intl

$1,268

AIR PREMIA

Oct 16

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

Oct 30

IAD1:20 pmWashington, D.C. Dulles Intl

15h 25m

ICN5:45 pmIncheon Intl

$1,287

AIR PREMIA

Oct 2

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

Oct 11

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

$1,289

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 6/18

5:50 pm-7:30 pm

1 stop38h 40m

Washington, D.C. Dulles Intl

Fri 7/10

11:00 pm-11:35 am

1 stop23h 35m

$1,106

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 9/7

3:45 pm-7:30 pm

1 stop40h 45m

Washington, D.C. Dulles Intl

Fri 9/18

11:00 pm-2:20 pm

1 stop26h 20m

$1,109

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 9/7

3:45 pm-7:30 pm

1 stop40h 45m

Washington, D.C. Dulles Intl

Fri 9/18

11:00 pm-2:20 pm

1 stop26h 20m

$1,110

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Wed 10/28

6:00 pm-5:52 am

1 stop24h 52m

Baltimore/Washington

Sun 11/1

6:31 pm-5:40 am

1 stop21h 09m

$1,142

Quickest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 10/16

4:50 pm-10:19 pm

1 stop18h 29m

Washington, D.C. Dulles Intl

Fri 10/30

1:05 pm-4:40 am

2 stops26h 35m

$1,142

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 10/28

12:25 pm-10:10 am

1 stop34h 45m

Washington, D.C. Dulles Intl

Tue 11/3

1:05 pm-10:30 pm

2 stops43h 25m

$1,277

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 6/8

7:35 pm-3:17 pm

2 stops32h 42m

Baltimore/Washington

Fri 7/10

4:19 pm-5:30 pm

2 stops36h 11m

$1,279

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 10/28

7:50 pm-12:42 pm

2 stops29h 52m

Washington, D.C. Reagan-National

Tue 11/3

2:00 pm-11:20 am

2 stops31h 20m

$1,282

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 6/8

7:35 pm-3:17 pm

2 stops32h 42m

Baltimore/Washington

Wed 7/8

4:19 pm-5:30 pm

2 stops36h 11m

$1,288

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 9/9

4:45 pm-9:59 pm

2 stops42h 14m

Washington, D.C. Reagan-National

Wed 10/28

9:30 am-3:40 pm

2 stops41h 10m

$1,369

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 Washington, D.C.

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

Layovers

Other information

What is the typical price of a round-trip flight between Seoul and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Seoul, with most prices found around $275. If you’re not able to fly to Washington, D.C. in September, then July is your next best option. Flight prices from Seoul to Washington, D.C. during July average around $323.

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

On average, the least expensive day to fly to Washington, D.C. from Seoul is on a Friday. momondo users have found tickets for Friday departures for as low as $1,205. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to Washington, D.C. for around $1,655.

What is the cheapest Seoul to Washington, D.C. flight route?

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

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

You are more likely to see cheaper flights to Washington, D.C. from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,317 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Seoul for as low as $845 on momondo.

What cabin class options are available on Seoul to Washington, D.C. flights?

There are 3 cabin classes available to choose from on Seoul to Washington, D.C. 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 Washington, D.C. flights?

You could potentially save up to 25% on your flight if you consider stops on a Seoul to Washington, D.C. flight.

How have Seoul to Washington, D.C. flight prices changed over time?

As of May 2026, prices for Seoul to Washington, D.C. flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to Washington, D.C.

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

Estimated round-trip price

Cheap Seoul to Washington, D.C. (SEL to WAS) flight deals and tips

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

Best Price Found	$701
Fastest flight time	13h 50m
Direct flights	Mon, Tue, Thu and Sat
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Seoul in the past 72 hours is $701. The best round-trip flight deal from Seoul to Washington, D.C. found on momondo in the last 72 hours is $1,155.

The fastest flight from Seoul to Washington, D.C. takes 13h 50m

Direct flights go from Seoul to Washington, D.C. on Monday, Tuesday, Thursday and Saturday. The only airline offering direct flights is AIR PREMIA.

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

Search flight deals

Frequently asked questions about flying from Seoul to Washington, D.C.

How far is Seoul to Washington, D.C. by plane?
A flight from Seoul to Washington, D.C. will travel around 6932.9 mi. By plane, this route typically takes 13h 50m.
When did momondo last update prices for flights from Seoul to Washington, D.C.?
Prices for flights from Seoul to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Seoul to Washington, D.C.?
There are 5 operators available for flights from Seoul to Washington, D.C. as of May 2026.
How old do you have to be to fly from Seoul to Washington, D.C.?
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 Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Seoul to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seoul to Washington, D.C. is Boeing 777-300ER (70.23% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (29.16%), Airbus A350-900 (0.41%), and Airbus A321-100/200 (0.21%).
What is the most popular airline from Seoul to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seoul to Washington, D.C. is AIR PREMIA (24% of total bookings). The next most popular airlines are Korean Air (23%), United Airlines (20%), and Delta (18%).

Best airlines flying from Seoul to Washington, D.C.

Compare and see reviews for airlines that fly from Seoul to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $478	Free Cancellation	Rating 7.1 11,644 reviews	Search American Airlines flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 9,744 reviews	Search United Airlines flights
Delta	PriceFrom $589	Free Cancellation	Rating 7.9 8,452 reviews	Search Delta flights
AIR PREMIA	PriceFrom $915	Free Cancellation	Rating 8.0 92 reviews	Search AIR PREMIA flights
Korean Air	PriceFrom $1,223	Free Cancellation	Rating 8.4 1,218 reviews	Search Korean Air flights

Korean Air Flights From Seoul to Washington, D.C.
The lowest priced Korean Air flight from Seoul to Washington, D.C. from the last 72 hours was $1,223. Generally, Korean Air has 7 flights on this route every week with an average price of $1,576. Korean Air is rated 8.4/10 by our users.
Delta Flights From Seoul to Washington, D.C.
Another popular option for Seoul to Washington, D.C. flights is Delta (7.9/10, 8,452 ratings). Delta flies from Seoul to Washington, D.C. around 7 times per week, with deals starting from $589 round-trip and rising to an average price of around $1,421.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Fredericksburg

Silver Spring

Towson

Rockville

Manassas

Linthicum Heights

Tysons

Bethesda

Springfield

Fairfax

College Park

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?

All flight searches from Seoul to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seoul to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Seoul to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Seoul to Washington, D.C. from $509

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 Washington, D.C. departing on 6/11. 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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Air Canada flights from Seoul to Washington, D.C.

Our best Air Canada deals on Seoul to Washington, D.C. flight tickets

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Our best AIR PREMIA deals on Seoul to Washington, D.C. flight tickets

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Seoul to Washington, D.C.

What is the typical price of a round-trip flight between Seoul and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

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

What is the cheapest Seoul to Washington, D.C. flight route?

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

What cabin class options are available on Seoul to Washington, D.C. flights?

Can stopping save me money on Seoul to Washington, D.C. flights?

How have Seoul to Washington, D.C. flight prices changed over time?

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

What airlines fly to Washington, D.C.?

Which airport is the most popular layover for flights between Seoul and Washington, D.C.?

Which layover airport offers the lowest fares from Seoul to Washington, D.C.?

Which layover airport has the shortest travel time from Seoul to Washington, D.C.?

Which layover airport has the shortest connection time from Seoul to Washington, D.C.?

How many flights depart from Seoul to Washington, D.C. on average per day?

How many flights depart from Seoul to Washington, D.C. on average per week?

How long does it take to fly to Washington, D.C.?

When to book flights from Seoul to Washington, D.C.

Cheap Seoul to Washington, D.C. (SEL to WAS) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

Frequently asked questions about flying from Seoul to Washington, D.C.

Best airlines flying from Seoul to Washington, D.C.

Compare and see reviews for airlines that fly from Seoul to Washington, D.C. with momondo

Korean Air Flights From Seoul to Washington, D.C.

Delta Flights From Seoul to Washington, D.C.

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

Why use momondo?

An easier way to manage your Washington, D.C. 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 the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

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

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