How often are flights from Washington, D.C. to South Korea delayed?

Historically, on average around 31% of flights between Washington, D.C. and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

What airlines fly to South Korea?

Korean Air, Delta and Turkish Airlines are the top three most popular airlines that fly to South Korea from Washington, D.C. Dulles Intl Airport according to our data. Korean Air is the first choice among our users, with 59% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 9 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Washington, D.C. to South Korea flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

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

Air China is the most popular carrier operating from Washington, D.C. Dulles Intl to South Korea

Which airline has the best punctuality record on Washington, D.C. to South Korea flights?

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 31% of their flights experiencing any sort of delay.

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

As of January 2026, there are 9 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to South Korea.

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

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 Washington, D.C. Dulles Intl Airport to South Korea.

What documentation or ID do you need to fly to South Korea?

The travel and health documents you'll need for your trip to South Korea 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 South Korea. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$437 Cheap Flights from Washington, D.C. Dulles Intl Airport to South Korea in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to South Korea on average per day?

2 flights are operational daily from Washington, D.C. Dulles Intl Airport to South Korea as of January 2026. The most popular departure time for this route is 11:00AM, with 100% of flights per day taking off at noon.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:00 pm - 4:35 pm

IAD

ICN

28h 35m

1 stop

1:10 pm - 7:30 pm

ICN

IAD

19h 20m

1 stop

$873Air China

Tue, Mar 10 - Tue, Mar 24

11:00 pm - 4:35 pm

IAD

ICN

28h 35m

1 stop

7:10 pm - 8:54 pm

ICN

IAD

38h 44m

2 stops

$893Multiple Airlines

Fri, Mar 13 - Mon, Mar 16

11:00 pm - 4:35 pm

IAD

ICN

28h 35m

1 stop

7:10 pm - 8:54 pm

ICN

IAD

38h 44m

2 stops

$894Multiple Airlines

Fri, Mar 13 - Mon, Mar 16

11:00 pm - 9:45 pm

IAD

ICN

33h 45m

1 stop

7:05 pm - 8:29 pm

ICN

IAD

38h 24m

1 stop

$895Multiple Airlines

Tue, Apr 14 - Tue, Apr 21

11:00 pm - 1:55 pm

IAD

ICN

25h 55m

1 stop

3:05 pm - 7:30 pm

ICN

IAD

41h 25m

1 stop

$896Air China

Fri, Mar 13 - Mon, Mar 23

10:00 pm - 11:40 am

IAD

ICN

23h 40m

1 stop

1:10 pm - 7:30 pm

ICN

IAD

19h 20m

1 stop

$898Air China

Tue, Mar 3 - Fri, Mar 13

12:15 pm - 10:20 pm

IAD

GMP

21h 05m

1 stop

7:55 pm - 10:05 am

GMP

IAD

27h 10m

1 stop

$1,505ANA

Tue, Apr 7 - Tue, Jul 7

12:15 pm - 10:20 pm

IAD

GMP

21h 05m

1 stop

7:40 am - 3:40 pm

GMP

IAD

21h 00m

1 stop

$1,506ANA

Thu, Apr 9 - Tue, Apr 21

12:24 pm - 7:45 pm

IAD

TAE

41h 21m

2 stops

7:40 am - 9:50 am

TAE

IAD

16h 10m

1 stop

$2,375Korean Air

Sun, Feb 15 - Thu, Feb 19

12:24 pm - 7:45 pm

IAD

TAE

41h 21m

2 stops

7:40 am - 9:50 am

TAE

IAD

16h 10m

1 stop

$2,376Korean Air

Sun, Feb 15 - Thu, Feb 19

Air China flights from Washington, D.C. Dulles Intl Airport to South Korea

Our best Air China deals on Washington, D.C. Dulles Intl Airport to South Korea flight tickets

Air China

Mar 10

IAD11:00 pmWashington, D.C. Dulles Intl

28h 35m

1 stop

ICN4:35 pmIncheon Intl

Mar 24

ICN1:10 pmIncheon Intl

19h 20m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

$873

Air China

Mar 13

IAD11:00 pmWashington, D.C. Dulles Intl

25h 55m

1 stop

ICN1:55 pmIncheon Intl

Mar 23

ICN3:05 pmIncheon Intl

41h 25m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

$896

Air China

Mar 3

IAD10:00 pmWashington, D.C. Dulles Intl

23h 40m

1 stop

ICN11:40 amIncheon Intl

Mar 13

ICN1:10 pmIncheon Intl

19h 20m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

$898

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

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

Turkish Airlines

Feb 4

IAD9:15 pmWashington, D.C. Dulles Intl

31h 05m

1 stop

ICN6:20 pmIncheon Intl

Feb 23

ICN12:10 amIncheon Intl

33h 10m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$1,035

Turkish Airlines

Feb 12

IAD1:30 pmWashington, D.C. Dulles Intl

29h 35m

1 stop

ICN9:05 amIncheon Intl

Feb 25

ICN10:45 amIncheon Intl

39h 00m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,050

Turkish Airlines

Feb 26

IAD1:30 pmWashington, D.C. Dulles Intl

29h 35m

1 stop

ICN9:05 amIncheon Intl

May 21

ICN11:20 pmIncheon Intl

25h 15m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$1,058

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 3/10

11:00 pm-4:35 pm

1 stop28h 35m

Incheon Intl

Tue 3/24

1:10 pm-7:30 pm

1 stop19h 20m

$873

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 3/13

11:00 pm-4:35 pm

1 stop28h 35m

Incheon Intl

Mon 3/16

7:10 pm-8:54 pm

2 stops38h 44m

$893

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 3/13

11:00 pm-4:35 pm

1 stop28h 35m

Incheon Intl

Mon 3/16

7:10 pm-8:54 pm

2 stops38h 44m

$894

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 4/14

11:00 pm-9:45 pm

1 stop33h 45m

Incheon Intl

Tue 4/21

7:05 pm-8:29 pm

1 stop38h 24m

$895

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 3/13

11:00 pm-1:55 pm

1 stop25h 55m

Incheon Intl

Mon 3/23

3:05 pm-7:30 pm

1 stop41h 25m

$896

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 3/3

10:00 pm-11:40 am

1 stop23h 40m

Incheon Intl

Fri 3/13

1:10 pm-7:30 pm

1 stop19h 20m

$898

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Tue 4/7

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

Tue 7/7

7:55 pm-10:05 am

1 stop27h 10m

$1,505

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Thu 4/9

12:15 pm-10:20 pm

1 stop21h 05m

Seoul Gimpo Intl

Tue 4/21

7:40 am-3:40 pm

1 stop21h 00m

$1,506

Washington, D.C.Daegu

IAD - TAE

IADTAE

Washington, D.C. Dulles Intl

Sun 2/15

12:24 pm-7:45 pm

2 stops41h 21m

Daegu

Thu 2/19

7:40 am-9:50 am

1 stop16h 10m

$2,375

Washington, D.C.Daegu

IAD - TAE

IADTAE

Washington, D.C. Dulles Intl

Sun 2/15

12:24 pm-7:45 pm

2 stops41h 21m

Daegu

Thu 2/19

7:40 am-9:50 am

1 stop16h 10m

$2,376

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 South Korea

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

Delays

Other information

What is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,097.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Washington, D.C. Dulles Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,294. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to South Korea for around $1,561.

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

Flying to South Korea 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 $1,361 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,556 on average. Flights to South Korea from Washington, D.C. Dulles Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

How far in advance should I book a flight to South Korea?

You are more likely to see cheaper flights to South Korea from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,774 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Washington, D.C. Dulles Intl Airport for as low as $1,396 on momondo.

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

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

You could potentially save up to 55% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to South Korea flight.

Cheap Washington, D.C. Dulles Intl Airport to South Korea flight deals and tips

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

Best Price Found	$554
Fastest flight time	15h 10m
Direct flights	Every day
Airports in South Korea	24 airports

The best one-way flight to South Korea from Washington, D.C. Dulles Intl Airport in the past 72 hours is $554. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to South Korea found on momondo in the last 72 hours is $1,131.

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

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

There are 24 airports in South Korea. From Washington, D.C. Dulles Intl Airport there are direct flights to Incheon Intl (ICN).

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to South Korea?
Prices for flights from Washington, D.C. Dulles Intl Airport to South Korea were last updated today.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to South Korea?
As of January 2026, there are 9 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to South Korea.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to South Korea?
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 Washington, D.C. Dulles Intl Airport to South Korea.
What documentation or ID do you need to fly to South Korea?
The travel and health documents you'll need for your trip to South Korea 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 South Korea. 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 Washington, D.C. Dulles Intl Airport to South Korea?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and South Korea, the leading plane model is Boeing 777-300ER, making up 84.68% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 11.39%, Boeing 747 with 3.16%, and Boeing 777 with 0.38%.

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

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $317	Free Cancellation	Rating 7.4 9,205 reviews	Search United Airlines flights
Delta	PriceFrom $356	Free Cancellation	Rating 7.9 8,120 reviews	Search Delta flights
Air China	PriceFrom $591	Free Cancellation	Rating 7.2 138 reviews	Search Air China flights
Asiana Airlines	PriceFrom $759	Free Cancellation	Rating 8.1 501 reviews	Search Asiana Airlines flights
Turkish Airlines	PriceFrom $791	Free Cancellation	Rating 7.3 4,209 reviews	Search Turkish Airlines flights
AIR PREMIA	PriceFrom $807	Free Cancellation	Rating 8.3 77 reviews	Search AIR PREMIA flights
American Airlines	PriceFrom $877	Free Cancellation	Rating 7.2 11,199 reviews	Search American Airlines flights
Air Canada	PriceFrom $972	Free Cancellation	Rating 7.1 10,664 reviews	Search Air Canada flights
Korean Air	PriceFrom $1,553	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to South Korea. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to South Korea from Washington, D.C. with this policy.

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

momondo provides multiple filters to help you find the best flight to South Korea 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 South Korea right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to South Korea from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Popular cities in South Korea

Flights to Seoulfrom $514

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Cheap flights from Washington, D.C. Dulles Intl Airport to South Korea from $437

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Air China flights from Washington, D.C. Dulles Intl Airport to South Korea

Our best Air China deals on Washington, D.C. Dulles Intl Airport to South Korea flight tickets

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

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

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

See travel insights to South Korea from

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

What is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,097.

What is the cheapest day to depart on your flight to South Korea?

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

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

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

How far in advance should I book a flight to South Korea?

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

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

You could potentially save up to 55% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to South Korea flight.

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

Air China is the most popular carrier operating from Washington, D.C. Dulles Intl to South Korea

What airlines fly to South Korea?

How often are flights from Washington, D.C. to South Korea delayed?

Historically, on average around 31% of flights between Washington, D.C. and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

What is the most punctual flight time for Washington, D.C. to South Korea flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to South Korea flights?

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 31% of their flights experiencing any sort of delay.

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

2 flights are operational daily from Washington, D.C. Dulles Intl Airport to South Korea as of January 2026. The most popular departure time for this route is 11:00AM, with 100% of flights per day taking off at noon.

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

As of January 2026, there are 14 flights per week flying from Washington, D.C. Dulles Intl Airport to South Korea. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Cheap Washington, D.C. Dulles Intl Airport to South Korea flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in South Korea

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to South Korea?

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

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

What documentation or ID do you need to fly to South Korea?

What is the most popular plane model from Washington, D.C. Dulles Intl Airport to South Korea?

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

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

Why use momondo?

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

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

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

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

An easier way to manage your South Korea trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to South Korea

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo