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?

Turkish Airlines, AIR PREMIA, and American Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Seoul

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 43% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 8 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.

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.

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

As of May 2026, there are 16 flights per week flying from Washington, D.C. Dulles Intl Airport to Seoul. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.

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

As of May 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 operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Seoul?

There are 8 operators available for flights from Washington, D.C. Dulles Intl Airport to Seoul as of May 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.

$507 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.

2:30 pm - 9:05 am

IAD

ICN

29h 35m

1 stop

12:10 am - 11:45 am

ICN

IAD

25h 35m

1 stop

$1,029Turkish Airlines

Wed, Oct 28 - Mon, Nov 9

1:20 pm - 8:35 am

IAD

ICN

30h 15m

1 stop

10:45 am - 12:45 pm

ICN

IAD

40h 00m

1 stop

$1,080Turkish Airlines

Wed, Oct 21 - Wed, Nov 4

1:20 pm - 8:35 am

IAD

ICN

30h 15m

1 stop

10:45 am - 12:45 pm

ICN

IAD

40h 00m

1 stop

$1,083Turkish Airlines

Wed, Oct 21 - Wed, Nov 4

2:30 pm - 9:05 am

IAD

ICN

29h 35m

1 stop

12:10 am - 11:45 am

ICN

IAD

25h 35m

1 stop

$1,095Turkish Airlines

Mon, Oct 26 - Thu, Nov 12

1:15 am - 11:00 am

IAD

ICN

20h 45m

1 stop

12:00 pm - 10:00 pm

ICN

IAD

23h 00m

1 stop

$1,099EVA Air

Mon, Sep 14 - Wed, Oct 21

1:20 pm - 8:35 am

IAD

ICN

30h 15m

1 stop

10:45 am - 12:45 pm

ICN

IAD

40h 00m

1 stop

$1,100Turkish Airlines

Wed, Oct 21 - Wed, Nov 4

2:30 pm - 9:05 am

IAD

ICN

29h 35m

1 stop

12:10 am - 11:45 am

ICN

IAD

25h 35m

1 stop

$1,101Turkish Airlines

Mon, Oct 26 - Thu, Nov 12

1:15 am - 7:15 pm

IAD

GMP

29h 00m

1 stop

1:50 pm - 10:00 pm

GMP

IAD

21h 10m

1 stop

$1,182EVA Air

Mon, Sep 14 - Fri, Oct 2

1:15 am - 7:15 pm

IAD

GMP

29h 00m

1 stop

1:50 pm - 10:00 pm

GMP

IAD

21h 10m

1 stop

$1,185EVA Air

Mon, Sep 14 - Fri, Sep 25

1:15 am - 7:15 pm

IAD

GMP

29h 00m

1 stop

1:50 pm - 5:40 am

GMP

IAD

28h 50m

2 stops

$1,404Multiple Airlines

Mon, Sep 14 - Fri, Sep 25

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

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

Turkish Airlines

Oct 28

IAD2:30 pmWashington, D.C. Dulles Intl

29h 35m

1 stop

ICN9:05 amIncheon Intl

Nov 9

ICN12:10 amIncheon Intl

25h 35m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,029

Turkish Airlines

Oct 21

IAD1:20 pmWashington, D.C. Dulles Intl

30h 15m

1 stop

ICN8:35 amIncheon Intl

Nov 4

ICN10:45 amIncheon Intl

40h 00m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$1,080

Turkish Airlines

Oct 21

IAD1:20 pmWashington, D.C. Dulles Intl

30h 15m

1 stop

ICN8:35 amIncheon Intl

Nov 4

ICN10:45 amIncheon Intl

40h 00m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$1,083

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 14

IAD1:15 amWashington, D.C. Dulles Intl

20h 45m

1 stop

ICN11:00 amIncheon Intl

Oct 21

ICN12:00 pmIncheon Intl

23h 00m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$1,099

EVA Air

Sep 28

IAD1:15 amWashington, D.C. Dulles Intl

21h 55m

1 stop

ICN12:10 pmIncheon Intl

Oct 20

ICN7:45 pmIncheon Intl

39h 15m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$1,138

EVA Air

Sep 28

IAD1:15 amWashington, D.C. Dulles Intl

21h 55m

1 stop

ICN12:10 pmIncheon Intl

Oct 13

ICN7:45 pmIncheon Intl

39h 15m

1 stop

IAD10:00 pmWashington, D.C. Dulles Intl

$1,139

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.

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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 10/28

2:30 pm-9:05 am

1 stop29h 35m

Incheon Intl

Mon 11/9

12:10 am-11:45 am

1 stop25h 35m

$1,029

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 10/21

1:20 pm-8:35 am

1 stop30h 15m

Incheon Intl

Wed 11/4

10:45 am-12:45 pm

1 stop40h 00m

$1,080

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 10/21

1:20 pm-8:35 am

1 stop30h 15m

Incheon Intl

Wed 11/4

10:45 am-12:45 pm

1 stop40h 00m

$1,083

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 10/26

2:30 pm-9:05 am

1 stop29h 35m

Incheon Intl

Thu 11/12

12:10 am-11:45 am

1 stop25h 35m

$1,095

Quickest round-trip

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 9/14

1:15 am-11:00 am

1 stop20h 45m

Incheon Intl

Wed 10/21

12:00 pm-10:00 pm

1 stop23h 00m

$1,099

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 10/21

1:20 pm-8:35 am

1 stop30h 15m

Incheon Intl

Wed 11/4

10:45 am-12:45 pm

1 stop40h 00m

$1,100

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 10/26

2:30 pm-9:05 am

1 stop29h 35m

Incheon Intl

Thu 11/12

12:10 am-11:45 am

1 stop25h 35m

$1,101

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/14

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Fri 10/2

1:50 pm-10:00 pm

1 stop21h 10m

$1,182

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/14

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Fri 9/25

1:50 pm-10:00 pm

1 stop21h 10m

$1,185

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Mon 9/14

1:15 am-7:15 pm

1 stop29h 00m

Seoul Gimpo Intl

Fri 9/25

1:50 pm-5:40 am

2 stops28h 50m

$1,404

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 $1,225. 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 $1,449.

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 $1,301 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 $1,324 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 $1,672 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 $1,152 on momondo.

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

You could potentially save up to 17% 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	$682
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 $682. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Seoul found on momondo in the last 72 hours is $1,378.

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).

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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 8 operators available for flights from Washington, D.C. Dulles Intl Airport to Seoul as of May 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 (47.66% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (21.56%), Boeing 777 (15.89%), and Boeing 787-8 Dreamliner (14.08%).
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 (32% of total bookings). The next most popular airlines are AIR PREMIA (21%), Delta (19%), and Turkish Airlines (15%).

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
United Airlines	PriceFrom $317	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
Delta	PriceFrom $392	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
AIR PREMIA	PriceFrom $595	Free Cancellation	Rating 8.0 92 reviews	Search AIR PREMIA flights
Air Canada	PriceFrom $685	Free Cancellation	Rating 7.1 11,012 reviews	Search Air Canada flights
Air China	PriceFrom $729	Free Cancellation	Rating 7.3 149 reviews	Search Air China flights
American Airlines	PriceFrom $816	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights
Turkish Airlines	PriceFrom $902	Free Cancellation	Rating 7.4 4,356 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $1,550	Free Cancellation	Rating 8.4 1,217 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 $1,550. Generally, Korean Air has 7 flights on this route every week with an average price of $1,807. Korean Air is rated 8.4/10 by our users.
AIR PREMIA Flights From Washington, D.C. Dulles Intl Airport to Seoul
Another popular option for Washington, D.C. Dulles Intl Airport to Seoul flights is AIR PREMIA (8.1/10, 90 ratings). AIR PREMIA flies from Washington, D.C. Dulles Intl Airport to Seoul around 3 times per week, with deals starting from $595 round-trip and rising to an average price of around $1,299.

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 $507

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

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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?

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

AIR PREMIA 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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