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

Dallas (DFW) has the shortest average layover time for this route: 1h 56m.

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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 20h 01m.

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

As of March 2026, there are 14 flights per week flying from Washington, D.C. Dulles Intl Airport to Seoul. 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 Washington, D.C. Dulles Intl Airport to Seoul?

Flights via Taipei City (TPE) offer the lowest average round-trip price of $946.

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

EVA Air, Japan Airlines, and China Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Seoul

What airlines fly to Seoul?

Korean Air, AIR PREMIA and Delta are the top three most popular airlines that fly to Seoul from Washington, D.C. Dulles Intl Airport according to our data. Korean Air is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 9 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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

As of March 2026, 2 flights take off from Washington, D.C. Dulles Intl Airport and land in Seoul each day. The most common flight departure time for this route is 12:00PM, with 100% of daily flights taking off in the afternoon.

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

Istanbul (IST) was the most common stop: 52% of momondo users choosing 1-stop flights on this route connected there.

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

There are 9 operators available for flights from Washington, D.C. Dulles Intl Airport to Seoul as of March 2026.

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

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 Washington, D.C. Dulles Intl Airport to Seoul.

What documentation or ID do you need to fly to Seoul?

The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$475 Cheap Flights from Washington, D.C. Dulles Intl Airport to Seoul in 2026

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:15 am - 11:00 am

IAD

ICN

20h 45m

1 stop

12:00 pm - 10:00 pm

ICN

IAD

23h 00m

1 stop

$963EVA Air

Wed, Sep 16 - Wed, Sep 30

1:20 pm - 5:55 pm

IAD

ICN

15h 35mnonstop

10:00 am - 10:50 am

ICN

IAD

13h 50mnonstop

$968AIR PREMIA

Fri, May 1 - Wed, May 13

1:20 pm - 5:55 pm

IAD

ICN

15h 35mnonstop

8:10 am - 11:09 pm

ICN

IAD

51h 59m

3 stops

$975Multiple Airlines

Fri, May 8 - Tue, May 12

1:50 am - 11:00 am

IAD

ICN

20h 10m

1 stop

7:45 pm - 8:55 pm

ICN

IAD

39h 10m

1 stop

$977EVA Air

Mon, Jul 27 - Tue, Nov 24

1:15 am - 11:00 am

IAD

ICN

20h 45m

1 stop

12:00 pm - 10:00 pm

ICN

IAD

23h 00m

1 stop

$984EVA Air

Fri, Sep 18 - Mon, Oct 5

1:15 am - 11:00 am

IAD

ICN

20h 45m

1 stop

12:00 pm - 10:00 pm

ICN

IAD

23h 00m

1 stop

$986EVA Air

Fri, Sep 18 - Sat, Oct 10

1:20 pm - 5:55 pm

IAD

ICN

15h 35mnonstop

10:00 am - 10:50 am

ICN

IAD

13h 50mnonstop

$992AIR PREMIA

Mon, May 4 - Fri, May 15

1:15 am - 11:00 am

IAD

ICN

20h 45m

1 stop

12:00 pm - 10:00 pm

ICN

IAD

23h 00m

1 stop

$993EVA Air

Fri, Sep 4 - Sat, Sep 12

6:30 am - 10:40 am

IAD

GMP

39h 10m

2 stops

8:00 am - 7:28 am

GMP

IAD

36h 28m

2 stops

$1,434Japan Airlines

Mon, Aug 24 - Sat, Aug 29

7:00 am - 10:40 am

IAD

GMP

38h 40m

2 stops

7:15 pm - 5:40 am

GMP

IAD

47h 25m

2 stops

$1,472Japan Airlines

Thu, Apr 9 - Wed, Apr 15

EVA Air flights from Washington, D.C. Dulles Intl Airport to Seoul

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

EVA Air

Sep 16

IAD1:15 amWashington, D.C. Dulles Intl

20h 45m

1 stop

ICN11:00 amIncheon Intl

Sep 30

ICN12:00 pmIncheon Intl

23h 00m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$963

EVA Air

Jul 27

IAD1:50 amWashington, D.C. Dulles Intl

20h 10m

1 stop

ICN11:00 amIncheon Intl

Nov 24

ICN7:45 pmIncheon Intl

39h 10m

1 stop

IAD8:55 pmWashington, D.C. Dulles Intl

$977

EVA Air

Sep 18

IAD1:15 amWashington, D.C. Dulles Intl

20h 45m

1 stop

ICN11:00 amIncheon Intl

Oct 5

ICN12:00 pmIncheon Intl

23h 00m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$984

AIR PREMIA flights from Washington, D.C. Dulles Intl Airport to Seoul

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

AIR PREMIA

May 1

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

May 13

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

$968

AIR PREMIA

May 4

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

May 15

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

$992

AIR PREMIA

May 6

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

May 13

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

$995

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 9/16

1:15 am-11:00 am

1 stop20h 45m

Incheon Intl

Wed 9/30

12:00 pm-10:00 pm

1 stop23h 00m

$963

Quickest round-trip

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 5/1

1:20 pm-5:55 pm

Nonstop15h 35m

Incheon Intl

Wed 5/13

10:00 am-10:50 am

Nonstop13h 50m

$968

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 5/8

1:20 pm-5:55 pm

Nonstop15h 35m

Incheon Intl

Tue 5/12

8:10 am-11:09 pm

3 stops51h 59m

$975

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 7/27

1:50 am-11:00 am

1 stop20h 10m

Incheon Intl

Tue 11/24

7:45 pm-8:55 pm

1 stop39h 10m

$977

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 9/18

1:15 am-11:00 am

1 stop20h 45m

Incheon Intl

Mon 10/5

12:00 pm-10:00 pm

1 stop23h 00m

$984

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 9/18

1:15 am-11:00 am

1 stop20h 45m

Incheon Intl

Sat 10/10

12:00 pm-10:00 pm

1 stop23h 00m

$986

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 5/4

1:20 pm-5:55 pm

Nonstop15h 35m

Incheon Intl

Fri 5/15

10:00 am-10:50 am

Nonstop13h 50m

$992

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 9/4

1:15 am-11:00 am

1 stop20h 45m

Incheon Intl

Sat 9/12

12:00 pm-10:00 pm

1 stop23h 00m

$993

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 8/24

6:30 am-10:40 am

2 stops39h 10m

Seoul Gimpo Intl

Sat 8/29

8:00 am-7:28 am

2 stops36h 28m

$1,434

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Thu 4/9

7:00 am-10:40 am

2 stops38h 40m

Seoul Gimpo Intl

Wed 4/15

7:15 pm-5:40 am

2 stops47h 25m

$1,472

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 Washington, D.C. Dulles Intl Airport to Seoul

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 cheapest month to fly to Seoul?

The month of March is another great option to travel to Seoul, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $1,173.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Tuesday is the cheapest day to fly to Seoul from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Tuesday departure recently was $1,235. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Thursday, with ticket prices averaging around $1,450.

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

Flying to Seoul from Washington, D.C. Dulles Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,321 when looking at flights departing in the morning. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,337 per ticket.

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

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

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,654 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Washington, D.C. Dulles Intl Airport for as low as $1,372 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Seoul 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 Washington, D.C. Dulles Intl Airport to Seoul flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Seoul.

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

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

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

Estimated round-trip price

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

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

Best Price Found	$415
Fastest flight time	15h 10m
Direct flights	Mon, Tue, Wed, Thu and Sat
Airports in Seoul	2 airports

The best one-way flight to Seoul from Washington, D.C. Dulles Intl Airport in the past 72 hours is $415. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Seoul found on momondo in the last 72 hours is $612.

The fastest flight from Washington, D.C. Dulles Intl Airport to Seoul takes 15h 10m

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

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

Search flight deals

How far is Washington, D.C. Dulles Intl to Seoul by plane?
The straight-line distance from Washington, D.C. Dulles Intl to Seoul is 6922.8 mi. Flights usually cover this in 15h 10m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Seoul?
Prices for flights from Washington, D.C. Dulles Intl Airport to Seoul are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Seoul?
There are 9 operators available for flights from Washington, D.C. Dulles Intl Airport to Seoul as of March 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Seoul?
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 Washington, D.C. Dulles Intl Airport to Seoul.
What documentation or ID do you need to fly to Seoul?
The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Seoul?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Dulles Intl Airport to Seoul is Boeing 777-300ER (47.82% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (18.24%), Boeing 777 (16.95%), and Boeing 787-8 Dreamliner (15.54%).
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Seoul?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Seoul is Korean Air (34% of total bookings). The next most popular airlines are Delta (19%), Turkish Airlines (17%), and AIR PREMIA (9%).

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

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $356	Free Cancellation	Rating 7.9 8,319 reviews	Search Delta flights
United Airlines	PriceFrom $367	Free Cancellation	Rating 7.4 9,460 reviews	Search United Airlines flights
Air China	PriceFrom $591	Free Cancellation	Rating 7.3 142 reviews	Search Air China flights
AIR PREMIA	PriceFrom $595	Free Cancellation	Rating 8.2 83 reviews	Search AIR PREMIA flights
Air Canada	PriceFrom $685	Free Cancellation	Rating 7.1 10,834 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $759	Free Cancellation	Rating 8.1 506 reviews	Search Asiana Airlines flights
Turkish Airlines	PriceFrom $810	Free Cancellation	Rating 7.3 4,273 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $816	Free Cancellation	Rating 7.1 11,489 reviews	Search American Airlines flights
Korean Air	PriceFrom $1,553	Free Cancellation	Rating 8.4 1,202 reviews	Search Korean Air flights

Korean Air Flights From Washington, D.C. Dulles Intl Airport to Seoul
The lowest priced Korean Air flight from Washington, D.C. Dulles Intl Airport to Seoul from the last 72 hours was $1,553. Generally, Korean Air has 7 flights on this route every week with an average price of $1,911. Korean Air is rated 8.4/10 by our users.
Delta Flights From Washington, D.C. Dulles Intl Airport to Seoul
Another popular option for Washington, D.C. Dulles Intl Airport to Seoul flights is Delta (7.9/10, 8,319 ratings). Delta flies from Washington, D.C. Dulles Intl Airport to Seoul around 7 times per week, with deals starting from $356 round-trip and rising to an average price of around $1,768.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Seoul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Seoul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Seoul with flexible booking policies on momondo?

Yes. All flights to Seoul from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Seoul from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Washington, D.C. to Seoul 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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EVA Air flights from Washington, D.C. Dulles Intl Airport to Seoul

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

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

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

What is the cheapest month to fly to Seoul?

What is the cheapest day to depart on your flight to Seoul?

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

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

How far in advance should I book a flight to Seoul?

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

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

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

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

What airlines fly to Seoul?

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

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

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

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

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

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

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

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Seoul

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

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

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

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

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An easier way to manage your Seoul trip

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Airports listed have a maximum distance of 30.3 mi from Seoul

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List of cabin classes available on flights landing in Seoul. Availability may vary depending on flight origin and airline.

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