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

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

What airlines fly to South Korea?

Korean Air, Air Canada and American 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 58% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 8 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

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.

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

Historically, on average around 32% 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 123 minutes.

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. Wednesday 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 32% 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 December 2025, there are 8 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.

$448 Cheap Flights from Washington, D.C. Dulles Intl Airport to South Korea in 2025/26

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

As of December 2025, 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.

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 December 2025. The most popular departure time for this route is 11:00AM, with 100% of flights per day taking off at noon.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

1:30 pm - 6:20 pm

IAD

ICN

38h 50m1 stop

5:55 pm - 8:54 pm

ICN

IAD

40h 59m2 stops

$1,063Multiple Airlines

Mon, Jan 12 - Fri, Jan 30

9:15 pm - 6:20 pm

IAD

ICN

31h 05m1 stop

9:20 pm - 5:20 pm

ICN

IAD

34h 00m2 stops

$1,064Multiple Airlines

Tue, Feb 3 - Tue, Feb 17

2:30 pm - 9:05 am

IAD

ICN

29h 35m1 stop

11:20 pm - 11:35 am

ICN

IAD

25h 15m1 stop

$1,069Turkish Airlines

Wed, Mar 11 - Wed, Apr 8

1:30 pm - 9:05 am

IAD

ICN

29h 35m1 stop

12:10 am - 11:45 am

ICN

IAD

25h 35m1 stop

$1,077Turkish Airlines

Mon, Jan 12 - Sun, Jan 25

11:00 pm - 1:05 pm

IAD

GMP

25h 05m1 stop

8:35 am - 7:30 pm

GMP

IAD

23h 55m1 stop

$1,469Air China

Fri, Apr 17 - Fri, Apr 24

10:00 pm - 1:05 pm

IAD

GMP

25h 05m1 stop

8:50 am - 6:30 pm

GMP

IAD

23h 40m1 stop

$1,479Air China

Tue, Jan 27 - Tue, Feb 3

1:15 pm - 8:35 pm

IAD

TAE

18h 20m1 stop

7:35 am - 11:15 am

TAE

IAD

16h 40m1 stop

$1,869Delta

Fri, Apr 24 - Sat, May 2

6:00 am - 8:35 pm

IAD

TAE

25h 35m2 stops

7:35 am - 11:15 am

TAE

IAD

16h 40m1 stop

$1,874Delta

Fri, Apr 24 - Sat, May 2

11:50 am - 7:45 pm

IAD

TAE

17h 55m1 stop

7:40 am - 9:50 am

TAE

IAD

16h 10m1 stop

$2,421Korean Air

Wed, Jan 28 - Sun, Feb 1

6:00 am - 7:45 pm

IAD

TAE

23h 45m2 stops

7:40 am - 9:50 am

TAE

IAD

16h 10m1 stop

$2,426Korean Air

Wed, Jan 28 - Sun, Feb 1

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

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

EVA Air

Apr 7

IAD7:01 pmWashington, D.C. Dulles Intl

34h 44m

2 stops

ICN6:45 pmIncheon Intl

Apr 21

ICN7:45 pmIncheon Intl

23h 04m

2 stops

IAD5:49 amWashington, D.C. Dulles Intl

$1,125

Find similar

EVA Air

May 6

IAD10:00 amWashington, D.C. Dulles Intl

36h 00m

2 stops

ICN11:00 amIncheon Intl

Jun 3

ICN12:00 pmIncheon Intl

32h 36m

2 stops

IAD7:36 amWashington, D.C. Dulles Intl

$1,136

Find similar

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

Mar 11

IAD2:30 pmWashington, D.C. Dulles Intl

29h 35m

1 stop

ICN9:05 amIncheon Intl

Apr 8

ICN11:20 pmIncheon Intl

25h 15m

1 stop

IAD11:35 amWashington, D.C. Dulles Intl

$1,069

Find similar

Turkish Airlines

Jan 12

IAD1:30 pmWashington, D.C. Dulles Intl

29h 35m

1 stop

ICN9:05 amIncheon Intl

Jan 25

ICN12:10 amIncheon Intl

25h 35m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,077

Find similar

Turkish Airlines

Jan 27

IAD1:30 pmWashington, D.C. Dulles Intl

38h 50m

1 stop

ICN6:20 pmIncheon Intl

Feb 2

ICN12:10 amIncheon Intl

33h 10m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$1,078

Find similar

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

Mon 1/12

1:30 pm-6:20 pm

1 stop38h 50m

Incheon Intl

Fri 1/30

5:55 pm-8:54 pm

2 stops40h 59m

$1,063

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 2/3

9:15 pm-6:20 pm

1 stop31h 05m

Incheon Intl

Tue 2/17

9:20 pm-5:20 pm

2 stops34h 00m

$1,064

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 3/11

2:30 pm-9:05 am

1 stop29h 35m

Incheon Intl

Wed 4/8

11:20 pm-11:35 am

1 stop25h 15m

$1,069

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 1/12

1:30 pm-9:05 am

1 stop29h 35m

Incheon Intl

Sun 1/25

12:10 am-11:45 am

1 stop25h 35m

$1,077

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Fri 4/17

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

Fri 4/24

8:35 am-7:30 pm

1 stop23h 55m

$1,469

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Tue 1/27

10:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

Tue 2/3

8:50 am-6:30 pm

1 stop23h 40m

$1,479

Washington, D.C.Daegu

IAD - TAE

IADTAE

Washington, D.C. Dulles Intl

Fri 4/24

1:15 pm-8:35 pm

1 stop18h 20m

Daegu

Sat 5/2

7:35 am-11:15 am

1 stop16h 40m

$1,869

Washington, D.C.Daegu

IAD - TAE

IADTAE

Washington, D.C. Dulles Intl

Fri 4/24

6:00 am-8:35 pm

2 stops25h 35m

Daegu

Sat 5/2

7:35 am-11:15 am

1 stop16h 40m

$1,874

Washington, D.C.Daegu

IAD - TAE

IADTAE

Washington, D.C. Dulles Intl

Wed 1/28

11:50 am-7:45 pm

1 stop17h 55m

Daegu

Sun 2/1

7:40 am-9:50 am

1 stop16h 10m

$2,421

Washington, D.C.Daegu

IAD - TAE

IADTAE

Washington, D.C. Dulles Intl

Wed 1/28

6:00 am-7:45 pm

2 stops23h 45m

Daegu

Sun 2/1

7:40 am-9:50 am

1 stop16h 10m

$2,426

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 January is also cheap. Prices for this month can be found on momondo for an average of $1,053.

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 $1,328. 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 $1,622.

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 evening is the least expensive time of day to depart. momondo users have found prices as low as $1,075 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,598 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 $1,751 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 $1,354 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 47% 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	$562
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 $562. 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 $1,092.

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 December 2025, there are 8 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 94.63% of the total bookings. Other popular models include Boeing 747 with 3.58%, Boeing 777 with 0.60%, and Boeing 787-9 Dreamliner with 0.60%.

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 9,094 reviews	Search United Airlines flights
Delta	PriceFrom $397	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
Air China	PriceFrom $591	Free Cancellation	Rating 7.2 127 reviews	Search Air China flights
Asiana Airlines	PriceFrom $759	Free Cancellation	Rating 8.2 493 reviews	Search Asiana Airlines flights
Turkish Airlines	PriceFrom $791	Free Cancellation	Rating 7.3 4,100 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $876	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
Air Canada	PriceFrom $945	Free Cancellation	Rating 7.1 10,527 reviews	Search Air Canada flights
Korean Air	PriceFrom $1,573	Free Cancellation	Rating 8.4 1,186 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 1/14

Wed 1/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to South Korea

Popular cities in South Korea

Flights to Seoulfrom $601

Flights to Jeju Cityfrom $725

Flights to Busanfrom $705

Flights to Daegufrom $994

Flights to Gwangjufrom $813

Flights to Yeosu

Flights to Ulsanfrom $1,627

Flights to Jinjufrom $1,747

Flights to Muan

Washington, D.C. Dulles Intl Airport flight routes

Flights from Washington, D.C. Dulles Intl to Tweed-New Haven

Flights from Washington, D.C. Dulles Intl to Miami

Flights from Washington, D.C. Dulles Intl to Tampa

Flights from Washington, D.C. Dulles Intl to Orlando

Flights from Washington, D.C. Dulles Intl to Wilmington New Hanover County

Flights from Washington, D.C. Dulles Intl to Atlanta Hartsfield-Jackson

Cheap flights from Washington, D.C. Dulles Intl Airport to South Korea from $448

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

Our best EVA Air 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

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.

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 January is also cheap. Prices for this month can be found on momondo for an average of $1,053.

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 47% 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?

Turkish Airlines, Air China, and EVA Air are the most popular carriers 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 32% 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 123 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. Wednesday 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 32% 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 December 2025. 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 December 2025, 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