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

As of July 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 1:00PM, with 100% of daily flights taking off in the afternoon.

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

As of July 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 has the shortest travel time from Washington, D.C. Dulles Intl Airport to Seoul?

Flights connecting via Taipei City (TPE) have the shortest average one-way travel time: 20h 10m.

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

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

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 airlines fly to Seoul?

AIR PREMIA, Korean Air and Delta are the top three most popular airlines that fly to Seoul from Washington, D.C. Dulles Intl Airport according to our data. AIR PREMIA is the first choice among our users, with 54% 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.

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: 71% of momondo users choosing 1-stop flights on this route connected there.

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.

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 July 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.

$418 Cheap Flights from Washington, D.C. Dulles Intl Airport to Seoul in 2026

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

Prices are currently typical for flights on this route. Typical prices usually range from $884 to $2,049. The lowest price recently found on this route was $1,105.

Discover deals from 900+ travel sites with momondo.

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.

1:20 pm - 5:55 pm

IAD

ICN

15h 35mnonstop

10:00 am - 10:50 am

ICN

IAD

13h 50mnonstop

$1,105AIR PREMIA

Fri, Sep 11 - Sun, Oct 18

1:20 pm - 5:55 pm

IAD

ICN

15h 35mnonstop

10:00 am - 9:50 am

ICN

IAD

13h 50mnonstop

$1,107AIR PREMIA

Mon, Oct 12 - Mon, Nov 2

1:20 pm - 5:55 pm

IAD

ICN

15h 35mnonstop

10:00 am - 10:50 am

ICN

IAD

13h 50mnonstop

$1,108AIR PREMIA

Sun, Aug 23 - Sun, Aug 30

9:00 pm - 11:25 am

IAD

ICN

25h 25m

1 stop

12:20 am - 4:55 pm

ICN

IAD

29h 35m

1 stop

$1,110Qatar Airways

Wed, Oct 21 - Tue, Oct 27

9:00 pm - 11:25 am

IAD

ICN

25h 25m

1 stop

12:20 am - 4:55 pm

ICN

IAD

29h 35m

1 stop

$1,112Qatar Airways

Wed, Oct 21 - Thu, Oct 29

1:15 am - 12:50 pm

IAD

GMP

22h 35m

1 stop

1:50 pm - 10:00 pm

GMP

IAD

21h 10m

1 stop

$1,169EVA Air

Wed, Sep 2 - Fri, Sep 11

1:15 am - 7:15 pm

IAD

GMP

29h 00m

1 stop

1:50 pm - 10:00 pm

GMP

IAD

21h 10m

1 stop

$1,231EVA Air

Mon, Sep 28 - Fri, Oct 9

9:00 pm - 12:55 pm

IAD

GMP

50h 55m

2 stops

1:55 pm - 3:40 pm

GMP

IAD

38h 45m

2 stops

$1,250Multiple Airlines

Sun, Aug 30 - Sun, Sep 13

1:50 am - 7:15 pm

IAD

GMP

28h 25m

1 stop

1:50 pm - 5:38 am

GMP

IAD

29h 48m

2 stops

$1,367Multiple Airlines

Mon, Aug 24 - Sat, Dec 26

7:00 am - 7:50 pm

IAD

GMP

46h 50m

2 stops

12:00 pm - 7:10 pm

GMP

IAD

45h 10m

2 stops

$1,412China Eastern

Mon, Nov 2 - Mon, Nov 16

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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

Sep 11

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

Oct 18

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

$1,105

AIR PREMIA

Oct 12

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

Nov 2

ICN10:00 amIncheon Intl

13h 50m

IAD9:50 amWashington, D.C. Dulles Intl

$1,107

AIR PREMIA

Aug 23

IAD1:20 pmWashington, D.C. Dulles Intl

15h 35m

ICN5:55 pmIncheon Intl

Aug 30

ICN10:00 amIncheon Intl

13h 50m

IAD10:50 amWashington, D.C. Dulles Intl

$1,108

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Seoul

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

Qatar Airways

Oct 21

IAD9:00 pmWashington, D.C. Dulles Intl

25h 25m

1 stop

ICN11:25 amIncheon Intl

Oct 27

ICN12:20 amIncheon Intl

29h 35m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

$1,110

Qatar Airways

Oct 21

IAD9:00 pmWashington, D.C. Dulles Intl

25h 25m

1 stop

ICN11:25 amIncheon Intl

Oct 29

ICN12:20 amIncheon Intl

29h 35m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

$1,112

Qatar Airways

Nov 1

IAD10:30 amWashington, D.C. Dulles Intl

42h 05m

2 stops

ICN6:35 pmIncheon Intl

Nov 13

ICN12:20 amIncheon Intl

45h 50m

1 stop

IAD8:10 amWashington, D.C. Dulles Intl

$1,114

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

Quickest round-trip

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 9/11

1:20 pm-5:55 pm

Nonstop15h 35m

Incheon Intl

Sun 10/18

10:00 am-10:50 am

Nonstop13h 50m

$1,105

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 10/12

1:20 pm-5:55 pm

Nonstop15h 35m

Incheon Intl

Mon 11/2

10:00 am-9:50 am

Nonstop13h 50m

$1,107

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sun 8/23

1:20 pm-5:55 pm

Nonstop15h 35m

Incheon Intl

Sun 8/30

10:00 am-10:50 am

Nonstop13h 50m

$1,108

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 10/21

9:00 pm-11:25 am

1 stop25h 25m

Incheon Intl

Tue 10/27

12:20 am-4:55 pm

1 stop29h 35m

$1,110

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 10/21

9:00 pm-11:25 am

1 stop25h 25m

Incheon Intl

Thu 10/29

12:20 am-4:55 pm

1 stop29h 35m

$1,112

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Wed 9/2

1:15 am-12:50 pm

1 stop22h 35m

Seoul Gimpo Intl

Fri 9/11

1:50 pm-10:00 pm

1 stop21h 10m

$1,169

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/28

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Fri 10/9

1:50 pm-10:00 pm

1 stop21h 10m

$1,231

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Sun 8/30

9:00 pm-12:55 pm

2 stops50h 55m

Seoul Gimpo Intl

Sun 9/13

1:55 pm-3:40 pm

2 stops38h 45m

$1,250

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 8/24

1:50 am-7:15 pm

1 stop28h 25m

Seoul Gimpo Intl

Sat 12/26

1:50 pm-5:38 am

2 stops29h 48m

$1,367

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 11/2

7:00 am-7:50 pm

2 stops46h 50m

Seoul Gimpo Intl

Mon 11/16

12:00 pm-7:10 pm

2 stops45h 10m

$1,412

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

What is the cheapest month to fly to Seoul?

The month of May is another great option to travel to Seoul, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $258.

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 $1,241. 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 Saturday, with ticket prices averaging around $1,497.

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

Flying to Seoul from Washington, D.C. Dulles Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,284 when looking at flights departing at noon. In the morning is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,370 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 from Washington, D.C. Dulles Intl Airport 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 $1,604 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 $1,366 on momondo.

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

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

You could potentially save up to 11% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Seoul flight.

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	$649
Fastest flight time	15h 10m
Direct flights	Mon, Tue, Wed, Thu, Fri 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 $649. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Seoul found on momondo in the last 72 hours is $1,117.

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, Friday and Saturday. There are no airlines offering direct flights.

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

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

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 July 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 (65.57% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (31.87%), Boeing 777 (0.94%), and Boeing 747 (0.55%).
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 AIR PREMIA (33% of total bookings). The next most popular airlines are Korean Air (26%), Delta (19%), and Turkish Airlines (11%).

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 $397	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
Air Canada	PriceFrom $441	Free Cancellation	Rating 7.1 11,321 reviews	Search Air Canada flights
AIR PREMIA	PriceFrom $649	Free Cancellation	Rating 8.2 99 reviews	Search AIR PREMIA flights
United Airlines	PriceFrom $687	Free Cancellation	Rating 7.4 9,955 reviews	Search United Airlines flights
Air China	PriceFrom $729	Free Cancellation	Rating 7.3 158 reviews	Search Air China flights
American Airlines	PriceFrom $816	Free Cancellation	Rating 7.1 11,790 reviews	Search American Airlines flights
EVA Air	PriceFrom $875	Free Cancellation	Rating 8.5 1,491 reviews	Search EVA Air flights
Turkish Airlines	PriceFrom $929	Free Cancellation	Rating 7.4 4,441 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $1,484	Free Cancellation	Rating 8.4 1,221 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 $1,484. Generally, Korean Air has 7 flights on this route every week with an average price of $1,783. 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 (7.8/10, 8,452 ratings). Delta flies from Washington, D.C. Dulles Intl Airport to Seoul around 7 times per week, with deals starting from $397 round-trip and rising to an average price of around $1,750.

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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Cheap flights from Washington, D.C. Dulles Intl Airport to Seoul from $418

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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

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Seoul

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

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See travel insights to Seoul from

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

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

What cabin class options are available on Washington, D.C. Dulles Intl Airport 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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to 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

Why use momondo?

An easier way to manage your Seoul trip

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

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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