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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 17h 44m.

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

The number of flights available between Seoul and Washington, D.C. Dulles Intl Airport is 14 per week as of February 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

What airlines fly to Washington, D.C. Dulles Intl Airport?

Korean Air, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

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

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

Japan Airlines is the most popular carrier operating from Seoul to Washington, D.C. Dulles Intl

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

Flights via Dallas (DFW) offer the lowest average round-trip price of $723.

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

Flight times from Seoul to Washington, D.C. Dulles Intl Airport 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 35m on average. Another popular route from Seoul to Washington, D.C. Dulles Intl Airport is flying from Seoul to Washington, D.C. Dulles Intl Airport, which will take roughly 24h 49m. Keep in mind that layovers or delays could extend your travel time.

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

San Francisco (SFO) was the most common stop: 58% of momondo users choosing 1-stop flights on this route connected there.

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

Dallas (DFW) has the shortest average layover time for this route: 1h 42m.

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

As of February 2026, there are 5 operators available to choose from for flights from Seoul to Washington, D.C. Dulles Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul 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.

$414 Cheap Flights from Seoul to Washington, D.C. Dulles Intl Airport in 2026

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

Prices are currently typical for flights on this route. Typical prices usually range from $731 to $1,024. The lowest price recently found on this route was $785.

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7:15 pm - 8:30 pm

ICN

IAD

39h 15m

2 stops

6:00 am - 3:55 pm

IAD

ICN

20h 55m

1 stop

$785American Airlines

mar., feb. 24 - jue., mar. 19

8:35 pm - 5:40 am

ICN

IAD

23h 05m

1 stop

7:05 am - 6:35 pm

IAD

ICN

22h 30m

1 stop

$789Hawaiian Airlines

vie., feb. 27 - jue., mar. 12

5:50 pm - 10:02 am

ICN

IAD

29h 12m

2 stops

8:11 pm - 3:45 pm

IAD

ICN

30h 34m

2 stops

$809American Airlines

lun., abr. 27 - lun., may. 18

5:50 pm - 11:26 pm

ICN

IAD

18h 36m

1 stop

11:59 am - 3:45 pm

IAD

ICN

38h 46m

1 stop

$814American Airlines

vie., may. 8 - dom., jun. 14

8:35 pm - 5:40 am

ICN

IAD

23h 05m

1 stop

7:05 am - 6:35 pm

IAD

ICN

21h 30m

1 stop

$817Multiple Airlines

vie., feb. 20 - dom., mar. 1

5:50 pm - 8:49 am

ICN

IAD

27h 59m

2 stops

11:59 am - 3:45 pm

IAD

ICN

38h 46m

1 stop

$818American Airlines

vie., may. 8 - dom., jun. 14

7:15 pm - 8:48 am

ICN

IAD

27h 33m

2 stops

6:00 am - 3:55 pm

IAD

ICN

20h 55m

1 stop

$820American Airlines

mié., mar. 4 - jue., mar. 12

7:15 pm - 8:48 am

ICN

IAD

27h 33m

2 stops

5:52 pm - 3:55 pm

IAD

ICN

33h 03m

1 stop

$822American Airlines

mié., mar. 4 - jue., mar. 12

7:55 pm - 10:05 am

GMP

IAD

27h 10m

1 stop

12:15 pm - 10:30 pm

IAD

GMP

21h 15m

1 stop

$1,075ANA

dom., jun. 21 - vie., oct. 30

7:55 pm - 10:05 am

GMP

IAD

27h 10m

1 stop

12:15 pm - 10:20 pm

IAD

GMP

21h 05m

1 stop

$1,113ANA

mié., jul. 1 - mié., jul. 29

American Airlines flights from Seoul to Washington, D.C. Dulles Intl Airport

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

American Airlines

Feb 24

ICN7:15 pmIncheon Intl

39h 15m

2 stops

IAD8:30 pmWashington, D.C. Dulles Intl

Mar 19

IAD6:00 amWashington, D.C. Dulles Intl

20h 55m

1 stop

ICN3:55 pmIncheon Intl

$785

American Airlines

Apr 27

ICN5:50 pmIncheon Intl

29h 12m

2 stops

IAD10:02 amWashington, D.C. Dulles Intl

May 18

IAD8:11 pmWashington, D.C. Dulles Intl

30h 34m

2 stops

ICN3:45 pmIncheon Intl

$809

American Airlines

May 8

ICN5:50 pmIncheon Intl

18h 36m

1 stop

IAD11:26 pmWashington, D.C. Dulles Intl

Jun 14

IAD11:59 amWashington, D.C. Dulles Intl

38h 46m

1 stop

ICN3:45 pmIncheon Intl

$814

Hawaiian Airlines flights from Seoul to Washington, D.C. Dulles Intl Airport

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

Hawaiian Airlines

Feb 27

ICN8:35 pmIncheon Intl

23h 05m

1 stop

IAD5:40 amWashington, D.C. Dulles Intl

Mar 12

IAD7:05 amWashington, D.C. Dulles Intl

22h 30m

1 stop

ICN6:35 pmIncheon Intl

$789

Hawaiian Airlines

Feb 23

ICN8:35 pmIncheon Intl

34h 45m

1 stop

IAD5:20 pmWashington, D.C. Dulles Intl

Feb 28

IAD7:05 amWashington, D.C. Dulles Intl

21h 30m

1 stop

ICN6:35 pmIncheon Intl

$941

Hawaiian Airlines

Feb 13

ICN8:35 pmIncheon Intl

34h 45m

1 stop

IAD5:20 pmWashington, D.C. Dulles Intl

Feb 21

IAD7:05 amWashington, D.C. Dulles Intl

21h 30m

1 stop

ICN6:35 pmIncheon Intl

$1,098

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mar. 2/24

7:15 pm-8:30 pm

2 stops39h 15m

Washington, D.C. Dulles Intl

jue. 3/19

6:00 am-3:55 pm

1 stop20h 55m

$785

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 2/27

8:35 pm-5:40 am

1 stop23h 05m

Washington, D.C. Dulles Intl

jue. 3/12

7:05 am-6:35 pm

1 stop22h 30m

$789

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

lun. 4/27

5:50 pm-10:02 am

2 stops29h 12m

Washington, D.C. Dulles Intl

lun. 5/18

8:11 pm-3:45 pm

2 stops30h 34m

$809

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 5/8

5:50 pm-11:26 pm

1 stop18h 36m

Washington, D.C. Dulles Intl

dom. 6/14

11:59 am-3:45 pm

1 stop38h 46m

$814

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 2/20

8:35 pm-5:40 am

1 stop23h 05m

Washington, D.C. Dulles Intl

dom. 3/1

7:05 am-6:35 pm

1 stop21h 30m

$817

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 5/8

5:50 pm-8:49 am

2 stops27h 59m

Washington, D.C. Dulles Intl

dom. 6/14

11:59 am-3:45 pm

1 stop38h 46m

$818

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 3/4

7:15 pm-8:48 am

2 stops27h 33m

Washington, D.C. Dulles Intl

jue. 3/12

6:00 am-3:55 pm

1 stop20h 55m

$820

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 3/4

7:15 pm-8:48 am

2 stops27h 33m

Washington, D.C. Dulles Intl

jue. 3/12

5:52 pm-3:55 pm

1 stop33h 03m

$822

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

dom. 6/21

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

vie. 10/30

12:15 pm-10:30 pm

1 stop21h 15m

$1,075

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

mié. 7/1

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

mié. 7/29

12:15 pm-10:20 pm

1 stop21h 05m

$1,113

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. 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

Layovers

Other information

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

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

In general, November is the cheapest month to fly from Seoul to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $492. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of November, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $960.

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 $1,334. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to Washington, D.C. Dulles Intl Airport for around $1,671.

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

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,249 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Seoul for as low as $1,006 on momondo.

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

There are 4 cabin classes available to choose from on Seoul to Washington, D.C. Dulles Intl 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. Dulles Intl Airport flight prices changed over time?

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

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul 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 to Washington, D.C. Dulles Intl Airport (SEL to IAD) flight deals and tips

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

Best Price Found	$801
Fastest flight time	13h 35m
Direct flights	Every day

The best one-way flight to Washington, D.C. Dulles Intl Airport from Seoul in the past 72 hours is $801. The best round-trip flight deal from Seoul to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $1,198.

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

Direct flights go from Seoul to Washington, D.C. Dulles Intl Airport every day.

Search flight deals

How far is Seoul to Washington, D.C. Dulles Intl by plane?
The distance between Seoul and Washington, D.C. Dulles Intl is about 6922.8 mi. Flights usually cover this in 13h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seoul to Washington, D.C. Dulles Intl Airport?
Prices for flights from Seoul to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Seoul to Washington, D.C. Dulles Intl Airport?
As of February 2026, there are 5 operators available to choose from for flights from Seoul to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Seoul to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul 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.
What is the most popular plane model from Seoul to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seoul to Washington, D.C. Dulles Intl Airport is Boeing 777-300ER (70.20% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (14.14%), Airbus A350-900 (9.60%), and Boeing 747-8 (5.56%).
What is the most popular airline from Seoul to Washington, D.C. Dulles Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Seoul to Washington, D.C. Dulles Intl Airport is Korean Air, representing 100% of all bookings.

Best airlines flying from Seoul to Washington, D.C. Dulles Intl Airport

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $501	Free Cancellation	Rating 7.2 11,260 reviews	Search American Airlines flights
United Airlines	PriceFrom $512	Free Cancellation	Rating 7.4 9,267 reviews	Search United Airlines flights
Air Canada	PriceFrom $727	Free Cancellation	Rating 7.1 10,701 reviews	Search Air Canada flights
Korean Air	PriceFrom $1,128	Free Cancellation	Rating 8.4 1,191 reviews	Search Korean Air flights
Delta	PriceFrom $1,254	Free Cancellation	Rating 7.9 8,178 reviews	Search Delta flights

Korean Air Flights From Seoul to Washington, D.C. Dulles Intl Airport
Across 7 Korean Air flights from Seoul to Washington, D.C. Dulles Intl Airport this week, the average price was $1,514, with the best Korean Air deals starting from $1,128 round-trip. 1,191 users have rated Korean Air on momondo, with an average score of 8.4/10.
Delta Flights From Seoul to Washington, D.C. Dulles Intl Airport
Another popular option for Seoul to Washington, D.C. Dulles Intl Airport flights is Delta (7.9/10, 8,178 ratings). Delta flies from Seoul to Washington, D.C. Dulles Intl Airport around 7 times per week, with deals starting from $1,254 round-trip and rising to an average price of around $1,609.

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Colonial Beach

Tysons

Silver Spring

Towson

Fredericksburg

Gaithersburg

Rockville

Manassas

Springfield

Sterling

Fairfax

Linthicum Heights

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?

momondo does allow users to show only those flights to Washington, D.C. from Seoul which offer a flexible booking policy as well as other useful filters and features.

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?

Price alerts on flights to Washington, D.C. from Seoul are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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

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Cheap flights from Seoul to Washington, D.C. from $414

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 5/31. 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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American Airlines flights from Seoul to Washington, D.C. Dulles Intl Airport

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

Hawaiian Airlines flights from Seoul to Washington, D.C. Dulles Intl Airport

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

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Use the filters below to find and compare flights from Seoul 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 to Washington, D.C. Dulles Intl Airport

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

What is the cheapest month to fly 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 Seoul to Washington, D.C. Dulles Intl flight route?

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

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

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

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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

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

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

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

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

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

Best Price Found

Fastest flight time

Direct flights

Best airlines flying from Seoul to Washington, D.C. Dulles Intl Airport

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

Korean Air Flights From Seoul to Washington, D.C. Dulles Intl Airport

Delta Flights From Seoul to Washington, D.C. Dulles Intl Airport

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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

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