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.

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

San Francisco (SFO) was the most common stop: 37% 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.

What airlines fly to Washington, D.C.?

Korean Air, Delta and United Airlines 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 40% 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.

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.

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

AIR PREMIA, EVA Air, and Air China are the most popular carriers operating from Seoul to Washington, D.C.

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

As of March 2026, there are 4 flights per week flying from Seoul to Washington, D.C.. The most common day of the week flights depart is Fri, with 50% 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.

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 March 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.

$455 Cheap Flights from Seoul to Washington, D.C. in 2026

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One-way

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7:20 pm - 6:03 am

ICN

BWI

23h 43m

1 stop

6:00 am - 6:05 pm

BWI

ICN

23h 05m

2 stops

$614Delta

Tue, Sep 8 - Tue, Oct 27

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

4:50 pm - 7:13 am

ICN

BWI

27h 23m

1 stop

6:31 pm - 4:20 am

BWI

ICN

20h 49m

1 stop

$641United Airlines

Tue, Sep 8 - Tue, Oct 20

11:30 am - 5:27 am

ICN

IAD

30h 57m

2 stops

10:10 pm - 3:00 pm

IAD

ICN

27h 50m

1 stop

$710United Airlines

Fri, Jun 5 - Mon, Sep 28

5:50 pm - 8:50 am

ICN

IAD

28h 00m

2 stops

6:24 am - 3:45 pm

IAD

ICN

20h 21m

1 stop

$778American Airlines

Mon, Jun 15 - Mon, Sep 28

5:50 pm - 8:50 am

ICN

IAD

28h 00m

2 stops

6:41 pm - 3:45 pm

IAD

ICN

32h 04m

1 stop

$786American Airlines

Fri, Jun 5 - Sun, Sep 27

5:50 pm - 7:33 pm

ICN

IAD

38h 43m

2 stops

6:24 am - 3:45 pm

IAD

ICN

20h 21m

1 stop

$800Japan Airlines

Wed, Jun 17 - Mon, Sep 28

5:50 pm - 7:37 pm

ICN

IAD

38h 47m

2 stops

8:55 am - 3:45 pm

IAD

ICN

41h 50m

2 stops

$806Japan Airlines

Fri, Jun 5 - Mon, Sep 28

7:05 pm - 10:34 pm

ICN

DCA

16h 29m

1 stop

11:00 am - 5:30 pm

DCA

ICN

17h 30m

1 stop

$832Air Canada

Thu, Sep 10 - Tue, Sep 15

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

Alaska Airlines flights from Seoul to Washington, D.C.

Our best Alaska Airlines deals on Seoul to Washington, D.C. flight tickets

Alaska Airlines

Apr 22

ICN7:35 pmIncheon Intl

17h 34m

1 stop

IAD12:09 amWashington, D.C. Dulles Intl

Apr 29

IAD7:20 pmWashington, D.C. Dulles Intl

33h 10m

1 stop

ICN5:30 pmIncheon Intl

$614

Alaska Airlines

Apr 24

ICN7:35 pmIncheon Intl

23h 15m

1 stop

IAD5:50 amWashington, D.C. Dulles Intl

Apr 25

IAD9:00 amWashington, D.C. Dulles Intl

19h 30m

1 stop

ICN5:30 pmIncheon Intl

$788

Alaska Airlines

Apr 22

ICN7:35 pmIncheon Intl

23h 15m

1 stop

IAD5:50 amWashington, D.C. Dulles Intl

Apr 29

IAD6:56 pmWashington, D.C. Dulles Intl

33h 34m

2 stops

ICN5:30 pmIncheon Intl

$862

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

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

AIR PREMIA

Apr 27

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

May 18

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

$807

AIR PREMIA

Apr 24

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

Jul 17

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

$820

AIR PREMIA

Apr 24

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

Jul 17

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

$821

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 9/8

7:20 pm-6:03 am

1 stop23h 43m

Baltimore/Washington

Tue 10/27

6:00 am-6:05 pm

2 stops23h 05m

$614

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

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Tue 9/8

4:50 pm-7:13 am

1 stop27h 23m

Baltimore/Washington

Tue 10/20

6:31 pm-4:20 am

1 stop20h 49m

$641

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 6/5

11:30 am-5:27 am

2 stops30h 57m

Washington, D.C. Dulles Intl

Mon 9/28

10:10 pm-3:00 pm

1 stop27h 50m

$710

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 6/15

5:50 pm-8:50 am

2 stops28h 00m

Washington, D.C. Dulles Intl

Mon 9/28

6:24 am-3:45 pm

1 stop20h 21m

$778

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 6/5

5:50 pm-8:50 am

2 stops28h 00m

Washington, D.C. Dulles Intl

Sun 9/27

6:41 pm-3:45 pm

1 stop32h 04m

$786

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 6/17

5:50 pm-7:33 pm

2 stops38h 43m

Washington, D.C. Dulles Intl

Mon 9/28

6:24 am-3:45 pm

1 stop20h 21m

$800

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 6/5

5:50 pm-7:37 pm

2 stops38h 47m

Washington, D.C. Dulles Intl

Mon 9/28

8:55 am-3:45 pm

2 stops41h 50m

$806

Quickest round-trip

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 9/10

7:05 pm-10:34 pm

1 stop16h 29m

Washington, D.C. Reagan-National

Tue 9/15

11:00 am-5:30 pm

1 stop17h 30m

$832

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

Flights are sorted by cheapest round-trip flights first.

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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 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 Sunday. momondo users have found tickets for Sunday departures for as low as $1,350. 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 $1,648.

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 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 $1,313 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 $865 on momondo.

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

There are 4 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.

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

As of March 2026, prices for Seoul to Washington, D.C. flights are approximately 9% 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	$628
Fastest flight time	13h 35m
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 $628. The best round-trip flight deal from Seoul to Washington, D.C. found on momondo in the last 72 hours is $898.

The fastest flight from Seoul to Washington, D.C. takes 13h 35m

Direct flights go from Seoul to Washington, D.C. on Monday, Tuesday, Thursday and Saturday. There are no airlines offering direct flights.

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

Search flight deals

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 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 March 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 (67.93% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (24.24%), Airbus A350-900 (4.80%), and Boeing 747-8 (2.78%).
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 Canada (29% of total bookings). The next most popular airlines are Korean Air (28%), United Airlines (22%), and Delta (21%).

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 $501	Free Cancellation	Rating 7.1 11,520 reviews	Search American Airlines flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 9,501 reviews	Search United Airlines flights
Delta	PriceFrom $649	Free Cancellation	Rating 7.9 8,358 reviews	Search Delta flights
AIR PREMIA	PriceFrom $876	Free Cancellation	Rating 8.2 84 reviews	Search AIR PREMIA flights
Korean Air	PriceFrom $1,095	Free Cancellation	Rating 8.4 1,203 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 $1,095. Generally, Korean Air has 2 flights on this route every week with an average price of $1,437. 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, 8,358 ratings). Delta flies from Seoul to Washington, D.C. around 2 times per week, with deals starting from $649 round-trip and rising to an average price of around $1,536.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Linthicum Heights

Springfield

Bethesda

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.

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Cheap flights from Seoul to Washington, D.C. from $455

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 5/19. 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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Alaska Airlines flights from Seoul to Washington, D.C.

Our best Alaska Airlines 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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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 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 to Washington, D.C.?

What cabin class options are available 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 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.

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?

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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.

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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.

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