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

American Airlines, United Airlines, and Japan Airlines are the most popular carriers operating from South Korea to Washington, D.C.

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

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

How long does it take to fly to Washington, D.C.?

Flight times from South Korea to Washington, D.C. vary, but if you’re flying out of Incheon and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 13h 50m on average. Another popular route from South Korea to Washington, D.C. is flying from Busan to Washington, D.C. Dulles Intl Airport, which will take roughly 19h 59m. Keep in mind that layovers or delays could extend your travel time.

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

Historically, on average around 13% of flights between South Korea and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 107 minutes.

What airlines fly to Washington, D.C.?

Korean Air, Delta and United Airlines are the top three most popular airlines that fly to Washington, D.C. from South Korea according to our data. Korean Air is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

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

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

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

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

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

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

The number of flights available between South Korea and Washington, D.C. is 2 per day as of April 2026. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

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

Prices for flights from South Korea to Washington, D.C. refresh daily.

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

There are 5 operators available for flights from South Korea to Washington, D.C. as of April 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Korea to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$447 Cheap Flights from South Korea to Washington, D.C. in 2026

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

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One-way

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Recent round-trip flight deals from South Korea to Washington, D.C.

Enter your travel dates to find the best prices.

4:50 pm - 5:53 am

ICN

IAD

26h 03m

1 stop

2:36 pm - 4:20 am

IAD

ICN

24h 44m

1 stop

$842Asiana Airlines

Wed, May 27 - Mon, Aug 31

4:50 pm - 12:55 am

ICN

IAD

21h 05m

1 stop

2:43 pm - 4:20 am

IAD

ICN

24h 37m

2 stops

$847Asiana Airlines

Wed, May 27 - Wed, Aug 26

10:00 am - 10:50 am

ICN

IAD

13h 50mnonstop

1:20 pm - 5:55 pm

IAD

ICN

15h 35mnonstop

$971AIR PREMIA

Mon, May 18 - Wed, May 27

4:50 pm - 9:24 am

ICN

IAD

29h 34m

2 stops

8:25 am - 10:15 pm

IAD

ICN

24h 50m

2 stops

$972United Airlines

Wed, Aug 5 - Wed, Sep 2

12:40 pm - 10:05 am

GMP

IAD

34h 25m

1 stop

11:10 am - 10:30 pm

IAD

GMP

21h 20m

1 stop

$1,009ANA

Mon, Oct 5 - Wed, Jan 20

12:40 pm - 10:05 am

GMP

IAD

34h 25m

1 stop

8:35 am - 10:30 pm

IAD

GMP

23h 55m

2 stops

$1,017ANA

Mon, Oct 5 - Wed, Jan 20

10:00 am - 10:50 am

ICN

IAD

13h 50mnonstop

1:20 pm - 5:55 pm

IAD

ICN

15h 35mnonstop

$1,043AIR PREMIA

Fri, May 22 - Wed, May 27

11:30 am - 7:30 am

ICN

IAD

33h 00m

1 stop

8:33 am - 4:20 am

IAD

ICN

30h 47m

1 stop

$1,065United Airlines

Fri, Jun 5 - Sun, Jul 19

7:40 pm - 11:44 pm

ICN

BWI

17h 04m

1 stop

7:30 am - 5:20 pm

BWI

ICN

20h 50m

1 stop

$1,177Korean Air

Wed, Sep 30 - Wed, Oct 7

7:40 pm - 11:44 pm

ICN

BWI

17h 04m

1 stop

7:30 am - 5:20 pm

BWI

ICN

20h 50m

1 stop

$1,178Korean Air

Wed, Sep 30 - Wed, Oct 7

Asiana Airlines flights from South Korea to Washington, D.C.

Our best Asiana Airlines deals on South Korea to Washington, D.C. flight tickets

Asiana Airlines

May 27

ICN4:50 pmIncheon Intl

26h 03m

1 stop

IAD5:53 amWashington, D.C. Dulles Intl

Aug 31

IAD2:36 pmWashington, D.C. Dulles Intl

24h 44m

1 stop

ICN4:20 amIncheon Intl

$842

Asiana Airlines

May 27

ICN4:50 pmIncheon Intl

21h 05m

1 stop

IAD12:55 amWashington, D.C. Dulles Intl

Aug 31

IAD2:43 pmWashington, D.C. Dulles Intl

24h 37m

2 stops

ICN4:20 amIncheon Intl

$847

Asiana Airlines

Jun 3

ICN4:50 pmIncheon Intl

26h 03m

1 stop

IAD5:53 amWashington, D.C. Dulles Intl

Sep 7

IAD6:35 pmWashington, D.C. Dulles Intl

20h 45m

1 stop

ICN4:20 amIncheon Intl

$1,046

American Airlines flights from South Korea to Washington, D.C.

Our best American Airlines deals on South Korea to Washington, D.C. flight tickets

American Airlines

May 6

ICN5:50 pmIncheon Intl

24h 50m

2 stops

IAD5:40 amWashington, D.C. Dulles Intl

Sep 2

IAD6:10 amWashington, D.C. Dulles Intl

20h 35m

1 stop

ICN3:45 pmIncheon Intl

$1,037

American Airlines

Sep 22

ICN5:50 pmIncheon Intl

30h 05m

2 stops

BWI10:55 amBaltimore/Washington

Oct 27

BWI6:24 pmBaltimore/Washington

33h 01m

2 stops

ICN4:25 pmIncheon Intl

$1,098

American Airlines

Oct 5

ICN5:50 pmIncheon Intl

17h 57m

1 stop

IAD10:47 pmWashington, D.C. Dulles Intl

Jan 20

IAD5:26 pmWashington, D.C. Dulles Intl

32h 59m

1 stop

ICN4:25 pmIncheon Intl

$1,102

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 5/27

4:50 pm-5:53 am

1 stop26h 03m

Washington, D.C. Dulles Intl

Mon 8/31

2:36 pm-4:20 am

1 stop24h 44m

$842

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 5/27

4:50 pm-12:55 am

1 stop21h 05m

Washington, D.C. Dulles Intl

Wed 8/26

2:43 pm-4:20 am

2 stops24h 37m

$847

Quickest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 5/18

10:00 am-10:50 am

Nonstop13h 50m

Washington, D.C. Dulles Intl

Wed 5/27

1:20 pm-5:55 pm

Nonstop15h 35m

$971

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 8/5

4:50 pm-9:24 am

2 stops29h 34m

Washington, D.C. Dulles Intl

Wed 9/2

8:25 am-10:15 pm

2 stops24h 50m

$972

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 10/5

12:40 pm-10:05 am

1 stop34h 25m

Washington, D.C. Dulles Intl

Wed 1/20

11:10 am-10:30 pm

1 stop21h 20m

$1,009

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 10/5

12:40 pm-10:05 am

1 stop34h 25m

Washington, D.C. Dulles Intl

Wed 1/20

8:35 am-10:30 pm

2 stops23h 55m

$1,017

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 5/22

10:00 am-10:50 am

Nonstop13h 50m

Washington, D.C. Dulles Intl

Wed 5/27

1:20 pm-5:55 pm

Nonstop15h 35m

$1,043

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 6/5

11:30 am-7:30 am

1 stop33h 00m

Washington, D.C. Dulles Intl

Sun 7/19

8:33 am-4:20 am

1 stop30h 47m

$1,065

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Wed 9/30

7:40 pm-11:44 pm

1 stop17h 04m

Baltimore/Washington

Wed 10/7

7:30 am-5:20 pm

1 stop20h 50m

$1,177

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Wed 9/30

7:40 pm-11:44 pm

1 stop17h 04m

Baltimore/Washington

Wed 10/7

7:30 am-5:20 pm

1 stop20h 50m

$1,178

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 South Korea to Washington, D.C.

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 day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from South Korea is on a Friday. momondo users have found tickets for Friday departures for as low as $1,276. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from South Korea to Washington, D.C. for around $1,655.

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

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

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,311 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from South Korea for as low as $878 on momondo.

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

There are 3 cabin classes available to choose from on South Korea to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

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

Best Price Found	$604
Fastest flight time	13h 50m
Direct flights	Mon, Tue, Thu and Sat
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from South Korea in the past 72 hours is $604. The best round-trip flight deal from South Korea to Washington, D.C. found on momondo in the last 72 hours is $915.

The fastest flight from South Korea to Washington, D.C. takes 13h 50m

Direct flights go from South Korea to Washington, D.C. on Monday, Tuesday, Thursday and Saturday. The only airline offering direct flights is AIR PREMIA.

There are 2 airports in Washington, D.C.. From South Korea there are direct flights to Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from South Korea to Washington, D.C.

When did momondo last update prices for flights from South Korea to Washington, D.C.?
Prices for flights from South Korea to Washington, D.C. refresh daily.
How many operators does momondo search for flights from South Korea to Washington, D.C.?
There are 5 operators available for flights from South Korea to Washington, D.C. as of April 2026.
How old do you have to be to fly from South Korea to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Korea to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from South Korea to Washington, D.C.?
Based on momondo bookings for flights between South Korea and Washington, D.C., the leading plane model is Boeing 777-300ER, making up 68.80% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 25.38%, Airbus A350-900 with 3.57%, and Boeing 747-8 with 2.07%.

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

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $478	Free Cancellation	Rating 7.1 11,593 reviews	Search American Airlines flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 9,602 reviews	Search United Airlines flights
Delta	PriceFrom $649	Free Cancellation	Rating 7.9 8,409 reviews	Search Delta flights
AIR PREMIA	PriceFrom $915	Free Cancellation	Rating 8.2 85 reviews	Search AIR PREMIA flights
Korean Air	PriceFrom $1,095	Free Cancellation	Rating 8.4 1,208 reviews	Search Korean Air flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Tysons

Linthicum Heights

Bethesda

Fairfax

Springfield

College Park

Why use momondo?

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

It is quick and easy to find South Korea to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

All flight searches from South Korea to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for South Korea to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from South Korea to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Cheap flights from South Korea to Washington, D.C. from $447

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to Washington, D.C. departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Asiana Airlines flights from South Korea to Washington, D.C.

Our best Asiana Airlines deals on South Korea to Washington, D.C. flight tickets

American Airlines flights from South Korea to Washington, D.C.

Our best American Airlines deals on South Korea to Washington, D.C. flight tickets

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See travel insights to Washington, D.C. from

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

What is the cheapest day to depart on your flight to Washington, D.C.?

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

How far in advance should I book a flight to Washington, D.C.?

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

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

What airlines fly to Washington, D.C.?

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

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

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

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

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

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

How long does it take to fly to Washington, D.C.?

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Washington, D.C.

Frequently asked questions about flying from South Korea to Washington, D.C.

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

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

Traveling to a place near Washington, D.C.?

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Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

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Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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