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.

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 19% of their flights experiencing any sort of delay.

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

Historically, on average around 19% 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 131 minutes.

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 December 2025. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

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 49% 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.

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

Thursday 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.

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

As of December 2025, 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 is the cheapest airline that flies from South Korea to Washington, D.C.?

Air Canada, Air China, and Japan Airlines are the most popular carriers operating from South Korea to Washington, D.C.

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 35m 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 20h 58m. Keep in mind that layovers or delays could extend your travel time.

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 December 2025.

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.

$387 Cheap Flights from South Korea to Washington, D.C. in 2025/26

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 South Korea to Washington, D.C.

Round-trip

One-way

Last minute

Direct

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

Enter your travel dates to find the best prices.

5:25 pm - 10:59 pm

ICN

BWI

18h 34m1 stop

6:45 am - 3:30 pm

BWI

ICN

19h 45m1 stop

$467American Airlines

ons, apr 1 - ons, apr 8

7:15 pm - 5:16 pm

ICN

IAD

36h 01m2 stops

6:00 am - 4:45 pm

IAD

ICN

20h 45m1 stop

$467American Airlines

fre, feb 6 - sön, feb 8

7:15 pm - 11:10 pm

ICN

BWI

17h 55m1 stop

6:25 pm - 3:30 pm

BWI

ICN

32h 05m2 stops

$504Japan Airlines

ons, feb 4 - ons, apr 8

12:45 pm - 5:26 pm

ICN

BWI

18h 41m1 stop

6:31 pm - 4:40 am

BWI

ICN

21h 09m1 stop

$603United Airlines

ons, feb 11 - mån, mar 9

12:45 pm - 5:26 pm

ICN

BWI

18h 41m1 stop

6:05 am - 3:00 pm

BWI

ICN

19h 55m1 stop

$614United Airlines

mån, feb 2 - tis, mar 31

7:55 am - 6:04 pm

GMP

BWI

23h 09m2 stops

6:52 am - 10:45 am

BWI

GMP

38h 53m2 stops

$1,213Japan Airlines

ons, apr 1 - sön, apr 5

10:25 am - 11:57 pm

PUS

IAD

27h 32m2 stops

7:30 am - 7:35 pm

IAD

PUS

22h 05m2 stops

$1,404Delta

mån, feb 9 - tors, feb 26

7:55 am - 9:50 am

PUS

IAD

15h 55m1 stop

7:00 am - 8:10 am

IAD

PUS

35h 10m2 stops

$1,412Delta

mån, feb 9 - tors, feb 26

7:55 am - 9:50 am

PUS

IAD

15h 55m1 stop

11:50 am - 8:45 pm

IAD

PUS

18h 55m1 stop

$1,429Korean Air

mån, feb 9 - tors, feb 26

4:30 pm - 11:36 pm

PUS

IAD

20h 06m2 stops

1:15 pm - 8:45 pm

IAD

PUS

18h 30m1 stop

$1,441Korean Air

mån, apr 27 - tors, apr 30

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

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

United Airlines

Dec 28

ICN12:45 pmIncheon Intl

32h 35m

1 stop

IAD7:20 amWashington, D.C. Dulles Intl

Dec 30

IAD10:10 pmWashington, D.C. Dulles Intl

28h 05m

2 stops

ICN4:15 pmIncheon Intl

$518

Find similar

United Airlines

Dec 27

ICN6:00 pmIncheon Intl

39h 18m

1 stop

IAD7:18 pmWashington, D.C. Dulles Intl

Jan 3

IAD10:05 pmWashington, D.C. Dulles Intl

41h 35m

1 stop

ICN5:40 amIncheon Intl

$520

Find similar

United Airlines

Apr 23

ICN4:50 pmIncheon Intl

28h 00m

1 stop

IAD7:50 amWashington, D.C. Dulles Intl

Jul 22

IAD6:30 amWashington, D.C. Dulles Intl

32h 50m

1 stop

ICN4:20 amIncheon Intl

$602

Find similar

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

Feb 6

ICN7:15 pmIncheon Intl

35h 16m

1 stop

IAD4:31 pmWashington, D.C. Dulles Intl

Feb 8

IAD6:00 amWashington, D.C. Dulles Intl

20h 45m

1 stop

ICN4:45 pmIncheon Intl

$467

Find similar

American Airlines

Feb 6

ICN7:15 pmIncheon Intl

17h 45m

1 stop

DCA11:00 pmWashington, D.C. Reagan-National

Feb 8

DCA6:42 pmWashington, D.C. Reagan-National

32h 03m

1 stop

ICN4:45 pmIncheon Intl

$471

Find similar

American Airlines

Feb 6

ICN7:15 pmIncheon Intl

36h 01m

2 stops

IAD5:16 pmWashington, D.C. Dulles Intl

Feb 8

IAD7:04 amWashington, D.C. Dulles Intl

43h 41m

2 stops

ICN4:45 pmIncheon Intl

$476

Find similar

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

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

ons 4/1

5:25 pm-10:59 pm

1 stop18h 34m

Baltimore/Washington

ons 4/8

6:45 am-3:30 pm

1 stop19h 45m

$467

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

fre 2/6

7:15 pm-5:16 pm

2 stops36h 01m

Washington, D.C. Dulles Intl

sön 2/8

6:00 am-4:45 pm

1 stop20h 45m

$467

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

ons 2/4

7:15 pm-11:10 pm

1 stop17h 55m

Baltimore/Washington

ons 4/8

6:25 pm-3:30 pm

2 stops32h 05m

$504

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

ons 2/11

12:45 pm-5:26 pm

1 stop18h 41m

Baltimore/Washington

mån 3/9

6:31 pm-4:40 am

1 stop21h 09m

$603

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

mån 2/2

12:45 pm-5:26 pm

1 stop18h 41m

Baltimore/Washington

tis 3/31

6:05 am-3:00 pm

1 stop19h 55m

$614

SeoulBaltimore

GMP - BWI

GMPBWI

Seoul Gimpo Intl

ons 4/1

7:55 am-6:04 pm

2 stops23h 09m

Baltimore/Washington

sön 4/5

6:52 am-10:45 am

2 stops38h 53m

$1,213

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

mån 2/9

10:25 am-11:57 pm

2 stops27h 32m

Washington, D.C. Dulles Intl

tors 2/26

7:30 am-7:35 pm

2 stops22h 05m

$1,404

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

mån 2/9

7:55 am-9:50 am

1 stop15h 55m

Washington, D.C. Dulles Intl

tors 2/26

7:00 am-8:10 am

2 stops35h 10m

$1,412

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

mån 2/9

7:55 am-9:50 am

1 stop15h 55m

Washington, D.C. Dulles Intl

tors 2/26

11:50 am-8:45 pm

1 stop18h 55m

$1,429

BusanWashington, D.C.

PUS - IAD

PUSIAD

Busan Gimhae

mån 4/27

4:30 pm-11:36 pm

2 stops20h 06m

Washington, D.C. Dulles Intl

tors 4/30

1:15 pm-8:45 pm

1 stop18h 30m

$1,441

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 Sunday. momondo users have found tickets for Sunday departures for as low as $1,392. 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 $1,648.

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

In the afternoon is the cheapest time of day to fly from South Korea to Washington, D.C. when you can find flight prices for as low as $919. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,537. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $1,259 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 $986 on momondo.

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

There are 4 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.

Can stopping save me money on South Korea to Washington, D.C. flights?

You could potentially save up to 7% on your flight if you consider stops on a South Korea to Washington, D.C. flight.

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	$1,056
Fastest flight time	13h 35m
Direct flights	Every day
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 $1,056. The best round-trip flight deal from South Korea to Washington, D.C. found on momondo in the last 72 hours is $1,303.

The fastest flight from South Korea to Washington, D.C. takes 13h 35m

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

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

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 December 2025.
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 66.04% of the total bookings. Other popular models include Airbus A350-900 with 17.92%, Boeing 747-8 with 11.32%, and Boeing 787-9 Dreamliner with 1.89%.

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 $501	Free Cancellation	Rating 7.2 11,064 reviews	Search American Airlines flights
United Airlines	PriceFrom $512	Free Cancellation	Rating 7.4 9,116 reviews	Search United Airlines flights
Delta	PriceFrom $649	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Air Canada	PriceFrom $688	Free Cancellation	Rating 7.1 10,562 reviews	Search Air Canada flights
Korean Air	PriceFrom $1,195	Free Cancellation	Rating 8.4 1,185 reviews	Search Korean Air flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Gaithersburg

Reston

Manassas

Fairfax

Glen Burnie

Linthicum Heights

Bethesda

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.

An easier way to manage your Washington, D.C. 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

sön 1/25

sön 2/1

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 the United States

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Popular cities in the United States

Flights to New Yorkfrom $50

Flights to Los Angelesfrom $47

Flights to Miamifrom $50

Flights to Chicagofrom $51

Flights to Orlandofrom $49

Flights to San Franciscofrom $59

Flights to Las Vegasfrom $49

Flights to Bostonfrom $51

Flights to Atlantafrom $44

Flights to Dallasfrom $51

Flights to Seattlefrom $57

Flights to Denverfrom $53

Cheap flights from South Korea to Washington, D.C. from $387

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 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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 South Korea to Washington, D.C.

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

Recent one-way flight deals from South Korea to Washington, D.C.

Recent last minute flight deals from South Korea to Washington, D.C.

Recent direct flight deals from South Korea to Washington, D.C.

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

Our best United 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

momondo Fare Finder

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

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

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.?

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

There are 4 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.

Can stopping save me money on South Korea to Washington, D.C. flights?

You could potentially save up to 7% on your flight if you consider stops on a South Korea to Washington, D.C. flight.

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

Air Canada, Air China, and Japan Airlines are the most popular carriers operating 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?

Historically, on average around 19% 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 131 minutes.

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.

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

Thursday 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.

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 19% of their flights experiencing any sort of delay.

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 December 2025. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.

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

As of December 2025, 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.

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.

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

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

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

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

What is the most popular plane model 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.?

Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. 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 the United States

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.