How long is the flight from South Korea to Washington, D.C.?

Airlines like Air Canada, United Airlines, and Delta fly from South Korea to Washington, D.C. in about 17h 27m. The time it takes to get you to your destination can typically vary by up to 12h 07m. The distance from South Korea to Washington, D.C. is about 6953 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from South Korea to Washington, D.C. one-way?

The cheapest airlines for a one-way flight from South Korea to Washington, D.C. are AIR PREMIA ($420), American Airlines ($551), and United Airlines ($554).

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular routes from South Korea to Washington, D.C.?

While some choose either Incheon Intl - Washington, D.C. Reagan-National or Incheon Intl - Baltimore/Washington, Incheon Intl - Washington, D.C. Dulles Intl is the most popular route from South Korea to Washington, D.C..

What are the cheapest flights from South Korea to Washington, D.C.?

Looking for the cheapest flight from South Korea to Washington, D.C.? While on average our users pay $1,965, our data indicates the cheapest price to be $587. The most popular route (Incheon Intl - Washington, D.C. Dulles Intl), is priced around $1,066.

What are the most reliable airlines from South Korea to Washington, D.C.?

The top 3 most reliable airlines when flying from South Korea to Washington, D.C. are AIR PREMIA (97%), Delta (90%) and Korean Air (90%).

What are the most popular airlines that fly from South Korea to Washington, D.C.?

Consider AIR PREMIA, Korean Air or Delta when booking your flight. These represent the most popular airlines when flying from South Korea to Washington, D.C..

Can I find deals for flights from South Korea to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on South Korea to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from South Korea to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Washington, D.C..

Can I find deals for business class flights from South Korea to Washington, D.C.?

Yes. Cheapflights offers flight deals from South Korea to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$378+ Cheap Flights from South Korea to Washington, D.C.

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Cheap flight deals from South Korea to Washington, D.C.

Cheapest

Best

Last-minute

One-way

Cheapest flights from South Korea to Washington, D.C.
Explore the most affordable flight options available from South Korea to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.

Fri 11/136:30 pm -

1 stop41h 55m

Sun 11/155:38 pm -

1 stop22h 02m

Deal found 10/21

$869

Fri 11/201:10 pm -

1 stop19h 20m

Fri 11/2711:35 pm -

Nonstop15h 50m

Deal found 10/21

$876

Sun 11/228:40 pm -

3 stops29h 34m

Fri 11/2711:35 pm -

Nonstop15h 50m

Deal found 10/21

$880

Fri 12/181:10 pm -

1 stop19h 20m

Fri 1/2911:35 pm -

Nonstop15h 50m

Deal found 10/21

$901

Fri 12/181:10 pm -

1 stop19h 20m

Thu 1/1410:57 pm -

2 stops40h 43m

Deal found 10/25

$924

Fri 11/271:10 pm -

1 stop19h 20m

Wed 12/211:35 pm -

Nonstop15h 50m

Deal found 10/21

$960

Mon 12/149:55 pm -

1 stop34h 35m

Sun 2/1411:35 pm -

Nonstop15h 50m

Deal found 10/20

$980

Tue 12/151:10 pm -

1 stop19h 20m

Sat 1/306:37 am -

2 stops43h 43m

Deal found 10/21

$981

Tue 11/36:55 am -

2 stops25h 35m

Fri 11/1310:00 pm -

1 stop32h 55m

Deal found 10/23

$991

Mon 11/28:45 pm -

2 stops27h 54m

Fri 11/1311:35 pm -

Nonstop15h 50m

Deal found 10/20

$993

Fri 12/117:45 pm -

2 stops35h 10m

Thu 12/319:30 am -

1 stop40h 50m

Deal found 10/22

$1,008

Thu 11/510:20 pm -

2 stops34h 10m

Wed 11/1111:35 pm -

1 stop30h 30m

Deal found 10/21

$1,029

Best flights from South Korea to Washington, D.C.
Discover carefully curated flight deals from South Korea to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

Sat 1/306:55 pm -

2 stops29h 34m

Sun 2/78:45 pm -

2 stops30h 25m

Deal found 10/22

$1,129

Mon 11/236:30 pm -

1 stop17h 27m

Mon 12/712:52 pm -

2 stops26h 48m

Deal found 10/21

$1,166

Thu 12/176:40 pm -

1 stop25h 20m

Mon 1/45:30 pm -

1 stop33h 20m

Deal found 10/20

$1,209

Thu 11/510:50 am -

2 stops32h 54m

Mon 11/911:35 pm -

1 stop30h 30m

Deal found 10/21

$1,316

Fri 11/66:55 pm -

1 stop40h 00m

Mon 11/911:55 pm -

1 stop27h 50m

Deal found 10/24

$1,351

Sat 11/78:00 pm -

1 stop23h 44m

Tue 11/105:17 pm -

1 stop34h 18m

Deal found 10/24

$1,413

Wed 3/311:20 am -

1 stop27h 20m

Thu 4/89:00 pm -

1 stop31h 05m

Deal found 10/23

$1,480

Fri 11/612:30 pm -

2 stops31h 14m

Mon 11/95:17 pm -

2 stops28h 13m

Deal found 10/24

$1,522

Wed 11/118:15 am -

2 stops25h 08m

Thu 11/2612:08 pm -

2 stops32h 37m

Deal found 10/20

$1,590

Wed 12/97:55 am -

2 stops45h 50m

Sun 12/135:35 pm -

2 stops37h 10m

Deal found 10/20

$1,718

Thu 12/176:00 pm -

1 stop25h 40m

Mon 1/48:00 am -

2 stops31h 40m

Deal found 10/20

$1,174

Mon 12/216:45 pm -

2 stops18h 31m

Fri 1/16:00 am -

2 stops21h 45m

Deal found 10/24

$1,241

Tue 11/106:00 pm -

2 stops34h 06m

Tue 12/86:35 pm -

1 stop21h 05m

Deal found 10/22

$1,179

Thu 11/192:20 pm -

3 stops35h 59m

Wed 11/256:59 am -

2 stops24h 26m

Deal found 10/21

$1,343

Mon 11/912:00 pm -

2 stops31h 44m

Thu 11/127:46 am -

2 stops34h 24m

Deal found 10/23

$1,431

Fri 11/612:45 pm -

2 stops20h 30m

Mon 11/94:09 pm -

2 stops23h 31m

Deal found 10/23

$1,185

Fri 12/44:20 pm -

1 stop18h 15m

Mon 12/711:35 pm -

1 stop30h 30m

Deal found 10/20

$1,401

Fri 12/116:30 pm -

1 stop17h 27m

Thu 12/317:45 am -

1 stop42h 30m

Deal found 10/23

$1,185

Wed 2/178:15 am -

2 stops21h 01m

Wed 2/175:24 pm -

2 stops34h 56m

Deal found 10/23

$1,610

Mon 12/218:00 pm -

2 stops39h 00m

Fri 1/18:00 am -

1 stop19h 35m

Deal found 10/24

$1,558

Fri 12/186:30 pm -

1 stop17h 00m

Mon 1/42:40 pm -

1 stop25h 00m

Deal found 10/20

$1,186

Fri 12/1810:15 am -

Nonstop13h 35m

Mon 1/46:30 pm -

1 stop33h 15m

Deal found 10/20

$1,585

Fri 2/198:15 am -

2 stops22h 20m

Mon 2/226:00 am -

2 stops22h 20m

Deal found 10/21

$1,658

Sun 12/2012:45 pm -

2 stops30h 34m

Fri 1/16:00 am -

1 stop20h 15m

Deal found 10/24

$1,186

Thu 12/1710:15 am -

Nonstop13h 35m

Mon 1/46:30 pm -

1 stop33h 15m

Deal found 10/21

$1,589

Mon 1/114:10 pm -

2 stops37h 45m

Fri 1/228:05 pm -

2 stops34h 40m

Deal found 10/20

$1,627

Fri 11/1312:00 pm -

2 stops31h 44m

Thu 11/197:46 am -

2 stops22h 59m

Deal found 10/22

$1,646

Wed 12/98:15 am -

2 stops21h 44m

Wed 12/166:00 am -

2 stops22h 20m

Deal found 10/24

$1,661

Wed 11/256:00 pm -

1 stop18h 30m

Mon 11/307:00 am -

1 stop19h 25m

Deal found 10/21

$1,188

Mon 1/114:10 pm -

2 stops37h 45m

Thu 1/148:05 pm -

2 stops34h 40m

Deal found 10/20

$1,627

Last-minute flights from South Korea to Washington, D.C.
Discover last-minute flight deals from South Korea to Washington, D.C.. Data last updated October 25, 2026 and is based on user searches.

Thu 10/297:00 pm -

2 stops52h 00m

Wed 1/2011:35 pm -

Nonstop15h 50m

Deal found 10/24

$1,024

Mon 11/28:45 pm -

2 stops27h 54m

Fri 11/1311:35 pm -

Nonstop15h 50m

Deal found 10/20

$993

Mon 11/210:10 pm -

2 stops34h 20m

Fri 11/1310:00 pm -

1 stop32h 55m

Deal found 10/23

$1,001

Tue 11/36:55 am -

2 stops25h 35m

Fri 11/1310:00 pm -

1 stop32h 55m

Deal found 10/23

$991

Thu 11/510:20 pm -

2 stops34h 10m

Wed 11/1111:35 pm -

1 stop30h 30m

Deal found 10/21

$1,029

Mon 11/96:55 pm -

2 stops28h 03m

Mon 11/238:45 pm -

2 stops30h 25m

Deal found 10/24

$1,123

Fri 11/136:30 pm -

1 stop41h 55m

Sun 11/155:38 pm -

1 stop22h 02m

Deal found 10/21

$869

Fri 11/138:10 pm -

1 stop40h 28m

Mon 11/166:59 am -

1 stop21h 26m

Deal found 10/21

$1,121

Fri 11/201:10 pm -

1 stop19h 20m

Fri 11/2711:35 pm -

Nonstop15h 50m

Deal found 10/21

$876

Sun 11/228:40 pm -

3 stops29h 34m

Fri 11/2711:35 pm -

Nonstop15h 50m

Deal found 10/21

$880

Tue 11/241:10 pm -

1 stop19h 20m

Tue 12/18:57 pm -

2 stops41h 53m

Deal found 10/24

$1,038

Fri 11/271:10 pm -

1 stop19h 20m

Wed 12/211:35 pm -

Nonstop15h 50m

Deal found 10/21

$960

One-way flights from South Korea to Washington, D.C.
Search for one-way flight options from South Korea to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.

Tue 12/81:10 pm -

1 stop19h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$378

Mon 12/149:55 pm -

1 stop34h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$386

Mon 12/79:55 pm -

1 stop34h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$387

Tue 12/151:10 pm -

1 stop19h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/24

$388

Fri 12/41:10 pm -

1 stop19h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$397

Thu 12/39:55 pm -

1 stop34h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$399

Sun 12/137:45 pm -

3 stops54h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/24

$444

Mon 12/147:45 pm -

3 stops30h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/24

$449

Sun 12/207:45 pm -

2 stops48h 22m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/24

$467

Mon 12/147:45 pm -

3 stops53h 26m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/24

$481

Wed 12/164:10 pm -

2 stops37h 07m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$495

Fri 12/117:45 pm -

2 stops35h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/21

$498

Find flight deals from South Korea to Washington, D.C.

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$869 (United Airlines)
One-way from	$378 (SmartFares)
Popular in	March
Cheapest in	November
Average price	$806
Good round-trip deal	$1,003 or less
Good one-way deal	$700 or less

Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.

Search Deals

From South Korea to Washington, D.C. (WAS)

Search Deals

One-way flight from South Korea to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from South Korea to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from South Korea to Washington, D.C. (WAS).

Search Deals

Cheapflights 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

BusanWashington, D.C.

PUS Busan Gimhae - IAD Washington, D.C. Dulles Intl

PUSIAD

Busan Gimhae

Sun 1/31

9:00 am-5:50 pm

3 stops46h 50m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$702

IncheonBaltimore

ICN Incheon Intl - BWI Baltimore/Washington

ICNBWI

Incheon Intl

Sun 12/13

6:00 pm-9:44 am

2 stops29h 44m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$714

IncheonBaltimore

ICN Incheon Intl - BWI Baltimore/Washington

ICNBWI

Incheon Intl

Mon 12/14

12:45 pm-5:25 pm

1 stop18h 40m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$714

IncheonBaltimore

ICN Incheon Intl - BWI Baltimore/Washington

ICNBWI

Incheon Intl

Sat 12/12

6:00 pm-5:25 pm

1 stop37h 25m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$714

IncheonBaltimore

ICN Incheon Intl - BWI Baltimore/Washington

ICNBWI

Incheon Intl

Fri 12/25

6:00 pm-12:48 am

2 stops20h 48m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$716

IncheonBaltimore

ICN Incheon Intl - BWI Baltimore/Washington

ICNBWI

Incheon Intl

Wed 12/16

6:00 pm-6:55 am

1 stop26h 55m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$716

IncheonBaltimore

ICN Incheon Intl - BWI Baltimore/Washington

ICNBWI

Incheon Intl

Sun 12/20

12:45 pm-11:14 pm

2 stops24h 29m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$716

IncheonBaltimore

ICN Incheon Intl - BWI Baltimore/Washington

ICNBWI

Incheon Intl

Thu 12/17

12:45 pm-12:48 am

3 stops26h 03m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$716

IncheonBaltimore

ICN Incheon Intl - BWI Baltimore/Washington

ICNBWI

Incheon Intl

Tue 12/15

12:45 pm-6:52 am

1 stop32h 07m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$716

IncheonBaltimore

ICN Incheon Intl - BWI Baltimore/Washington

ICNBWI

Incheon Intl

Sun 12/6

12:45 pm-6:52 am

1 stop32h 07m

Baltimore/Washington

Wed 12/31

12:00 am-2:00 pm

Nonstop0h 00m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from South Korea to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from South Korea with our price prediction graph.

ICN-IAD

ICN-DCA

CJU-IAD

ICN-BWI

PUS-IAD

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Korea to Washington, D.C.

KR0-WAS

ICN-IAD

ICN-DCA

CJU-IAD

ICN-BWI

What is the cheapest month to book a flight from South Korea to Washington, D.C.?

Currently, October is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $880). Flying from South Korea to Washington, D.C. in July is currently the most expensive (average of $1,512). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KR to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to Washington, D.C. as you normally would.

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

About 10% of weekly flights between South Korea and Washington, D.C. have experienced delays in the past year, with the average delay time being 82 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, AIR PREMIA have had the lowest number of delays on this route, with just 8% of flights being delayed.

How far ahead should I book a flight from South Korea to Washington, D.C.?

The price you pay for your flight from South Korea to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andAIR PREMIA from South Korea to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,218 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Korean Air

8.4

Very good

1,218 reviews

Korean Air

8.4

Very good

1,218 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Asiana Airlines

8.1

Very good

567 reviews

Korean Air

8.4

Very good

1,218 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

AIR PREMIA

8.0

Very good

112 reviews

Korean Air

8.4

Very good

1,218 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Delta

7.8

Good

8,677 reviews

Korean Air

8.4

Very good

1,218 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Air Canada

7.1

Good

11,805 reviews

Korean Air

8.4

Very good

1,218 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Related info for your journey

How long is the flight from South Korea to Washington, D.C.?
Airlines like Air Canada, United Airlines, and Delta fly from South Korea to Washington, D.C. in about 17h 27m. The time it takes to get you to your destination can typically vary by up to 12h 07m. The distance from South Korea to Washington, D.C. is about 6953 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from South Korea to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from South Korea to Washington, D.C. are AIR PREMIA ($420), American Airlines ($551), and United Airlines ($554).
What are the most popular routes from South Korea to Washington, D.C.?
While some choose either Incheon Intl - Washington, D.C. Reagan-National or Incheon Intl - Baltimore/Washington, Incheon Intl - Washington, D.C. Dulles Intl is the most popular route from South Korea to Washington, D.C..
What are the most reliable airlines from South Korea to Washington, D.C.?
The top 3 most reliable airlines when flying from South Korea to Washington, D.C. are AIR PREMIA (97%), Delta (90%) and Korean Air (90%).
What are the cheapest flights from South Korea to Washington, D.C.?
Looking for the cheapest flight from South Korea to Washington, D.C.? While on average our users pay $1,965, our data indicates the cheapest price to be $587. The most popular route (Incheon Intl - Washington, D.C. Dulles Intl), is priced around $1,066.
Can I find deals for flights from South Korea to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on South Korea to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Korea to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Washington, D.C..
Can I find deals for business class flights from South Korea to Washington, D.C.?
Yes. Cheapflights offers flight deals from South Korea to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from South Korea to Washington, D.C.?
Currently, October is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $880). Flying from South Korea to Washington, D.C. in July is currently the most expensive (average of $1,512). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Woodbridge

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Owings Mills

Lanham

Reston

Herndon

Hyattsville

Rockville

Springfield

Fredericksburg

Falls Church

Tysons

Towson

Oxon Hill

Laurel

Clinton

Hunt Valley

Waldorf

Silver Spring

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Washington, D.C. flight routes

Top 4 airlines flying from South Korea to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$490	Average$901	FlexibilityNo cancel fee	On-time69%
AIR PREMIA	Cheapest$876	Average$1,207	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$1,170	Average$1,718	FlexibilityNo cancel fee	On-timeN/A
Korean Air	Cheapest$1,257	Average$1,691	FlexibilityNo cancel fee	On-time81%

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$378+ Cheap flights from South Korea to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from South Korea to Washington, D.C.

Cheapest flights from South Korea to Washington, D.C.Explore the most affordable flight options available from South Korea to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.

Explore the most affordable flight options available from South Korea to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.

Best flights from South Korea to Washington, D.C.Discover carefully curated flight deals from South Korea to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

Discover carefully curated flight deals from South Korea to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

Last-minute flights from South Korea to Washington, D.C.Discover last-minute flight deals from South Korea to Washington, D.C.. Data last updated October 25, 2026 and is based on user searches.

Discover last-minute flight deals from South Korea to Washington, D.C.. Data last updated October 25, 2026 and is based on user searches.

One-way flights from South Korea to Washington, D.C.Search for one-way flight options from South Korea to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.

Search for one-way flight options from South Korea to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.

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Best time to book a flight from South Korea to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from South Korea with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from South Korea to Washington, D.C.?

What is the cheapest time of day to fly from KR to WAS?

Find hourly flight availability from South Korea to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 25, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to Washington, D.C. as you normally would.

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

About 10% of weekly flights between South Korea and Washington, D.C. have experienced delays in the past year, with the average delay time being 82 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

Thursday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, AIR PREMIA have had the lowest number of delays on this route, with just 8% of flights being delayed.

How far ahead should I book a flight from South Korea to Washington, D.C.?

The price you pay for your flight from South Korea to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 47 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andAIR PREMIA from South Korea to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from South Korea to Washington, D.C.?

What are the cheapest airlines to fly from South Korea to Washington, D.C. one-way?

What are the most popular routes from South Korea to Washington, D.C.?

What are the most reliable airlines from South Korea to Washington, D.C.?

What are the cheapest flights from South Korea to Washington, D.C.?

Can I find deals for flights from South Korea to Washington, D.C. that include hotel bookings?

How can I find direct flights from South Korea to Washington, D.C.?

Can I find deals for business class flights from South Korea to Washington, D.C.?

What is the cheapest month to book a flight from South Korea to Washington, D.C.?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for South Korea to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Washington, D.C. by adding a car rental and/or hotel reservation to your travel itinerary.

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Find flights from South Korea to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

South Korea and Washington, D.C. flights

Browse other South Korea and Washington, D.C. flight options. Last updated on October 25, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

South Korea to Washington, D.C. flights

Consider these flights traveling from South Korea to Washington, D.C..

Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.

Top 4 airlines flying from South Korea to Washington, D.C.

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Cheapest flights from South Korea to Washington, D.C.
Explore the most affordable flight options available from South Korea to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.

Best flights from South Korea to Washington, D.C.
Discover carefully curated flight deals from South Korea to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

Last-minute flights from South Korea to Washington, D.C.
Discover last-minute flight deals from South Korea to Washington, D.C.. Data last updated October 25, 2026 and is based on user searches.

One-way flights from South Korea to Washington, D.C.
Search for one-way flight options from South Korea to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.