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

Airlines like Air Canada and United Airlines fly from South Korea to Washington, D.C. in about 25h 52m. The time it takes to get you to your destination can typically vary by up to 5h 32m. The distance from South Korea to Washington, D.C. is about 6938 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 Canada ($440), Japan Airlines ($612), and EVA Air ($862).

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 $1,506, our data indicates the cheapest price to be $983. The most popular route (Incheon Intl - Washington, D.C. Dulles Intl), is priced around $490.

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

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

What is the cheapest month to fly from South Korea to Washington, D.C.?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from South Korea in February are about $1,070 on average during February, but can be found for as low as $597.

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.

$350+ Cheap Flights from South Korea to Washington, D.C.

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

Round-trip from	$350 (Mytrip)
Popular in	August
Cheapest in	February
Average price	$871
Good round-trip deal	$1,671 or less
Good one-way deal	$1,107 or less

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

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($226 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

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

Find 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 September 14, 2025.

Sat 10/115:45 pmICN - DCA

2 stops31h 23mAir Canada

Sun 10/2612:55 pmDCA - ICN

2 stops38h 15mAir Canada

Deal found 9/12

$350

Tue 9/167:05 pmICN - DCA

1 stop35h 59mAir Canada

Mon 9/224:35 pmDCA - ICN

1 stop34h 40mAir Canada

Deal found 9/13

$381

Tue 10/287:10 pmICN - IAD

1 stop38h 19mAir Canada

Tue 11/44:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/13

$385

Tue 9/167:05 pmICN - IAD

1 stop31h 33mAir Canada

Mon 9/222:25 pmIAD - ICN

1 stop38h 05mAir Canada

Deal found 9/13

$388

Fri 10/245:45 pmICN - DCA

2 stops35h 06mAir Canada

Sun 11/94:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/12

$427

Wed 10/295:55 pmICN - DCA

2 stops29h 31mAir Canada

Wed 11/54:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/13

$454

Fri 10/245:45 pmICN - IAD

2 stops28h 53mAir Canada

Sun 11/94:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/13

$462

Wed 11/196:55 pmICN - IAD

2 stops35h 14mAir Canada

Mon 2/910:10 pmIAD - ICN

2 stops29h 00mAir Canada

Deal found 9/13

$471

Wed 11/196:55 pmICN - DCA

2 stops34h 36mAir Canada

Sat 2/144:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/13

$471

Wed 11/126:55 pmICN - IAD

2 stops30h 28mAir Canada

Sun 2/15:48 pmIAD - ICN

2 stops33h 22mAir Canada

Deal found 9/12

$472

Wed 11/126:55 pmICN - DCA

2 stops29h 31mAir Canada

Thu 2/54:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/12

$472

Fri 11/76:55 pmICN - IAD

2 stops39h 31mAir Canada

Fri 11/214:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/14

$475

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 September 14, 2025.

Mon 11/246:55 pmICN - DCA

2 stops31h 24mAir Canada

Thu 12/44:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/14

$471

Thu 10/3011:55 amICN - BWI

1 stop30h 45mUnited Airlines

Thu 11/66:16 pmBWI - ICN

2 stops31h 59mUnited Airlines

Deal found 9/14

$503

Wed 11/127:30 amPUS - DCA

2 stops29h 05mMultiple Airlines

Wed 11/268:40 pmDCA - PUS

2 stops54h 05mMultiple Airlines

Deal found 9/13

$935

Fri 11/76:55 pmICN - DCA

2 stops29h 31mAir Canada

Fri 11/218:40 pmDCA - ICN

2 stops30h 30mAir Canada

Deal found 9/14

$477

Mon 12/156:00 pmICN - BWI

1 stop37h 16mUnited Airlines

Fri 2/278:30 amBWI - ICN

1 stop41h 45mUnited Airlines

Deal found 9/14

$503

Mon 12/1512:25 pmGMP - IAD

1 stop34h 45mANA

Fri 2/2711:05 amIAD - GMP

1 stop21h 25mANA

Deal found 9/14

$1,052

Wed 12/312:45 pmICN - BWI

2 stops24h 15mUnited Airlines

Sun 12/710:20 amBWI - ICN

2 stops29h 20mUnited Airlines

Deal found 9/14

$503

Fri 3/1311:45 amICN - BWI

1 stop31h 07mUnited Airlines

Tue 3/176:56 pmBWI - ICN

1 stop20h 44mUnited Airlines

Deal found 9/14

$503

Wed 2/118:00 amGMP - DCA

2 stops22h 27mJapan Airlines

Mon 3/98:01 amDCA - GMP

2 stops25h 04mJapan Airlines

Deal found 9/14

$1,292

Wed 12/312:45 pmICN - IAD

2 stops24h 30mUnited Airlines

Sun 12/75:15 pmIAD - ICN

2 stops22h 25mUnited Airlines

Deal found 9/14

$503

Mon 11/37:00 amPUS - IAD

1 stop16h 50mKorean Air

Mon 11/2411:50 amIAD - PUS

1 stop30h 20mKorean Air

Deal found 9/12

$1,418

Thu 11/2012:45 pmICN - IAD

2 stops24h 59mUnited Airlines

Thu 12/46:30 amIAD - ICN

1 stop19h 45mUnited Airlines

Deal found 9/14

$503

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 September 14, 2025 and is based on user searches.

Tue 9/167:05 pmICN - DCA

1 stop35h 59mAir Canada

Mon 9/224:35 pmDCA - ICN

1 stop34h 40mAir Canada

Deal found 9/13

$381

Tue 9/167:05 pmICN - IAD

1 stop31h 33mAir Canada

Mon 9/222:25 pmIAD - ICN

1 stop38h 05mAir Canada

Deal found 9/13

$388

Wed 10/85:45 pmICN - IAD

2 stops28h 53mAir Canada

Sun 10/2610:11 pmIAD - ICN

2 stops28h 59mAir Canada

Deal found 9/13

$484

Fri 10/105:45 pmICN - IAD

2 stops35h 43mAir Canada

Thu 1/812:43 pmIAD - ICN

2 stops38h 27mAir Canada

Deal found 9/14

$471

Sat 10/115:45 pmICN - DCA

2 stops31h 23mAir Canada

Sun 10/2612:55 pmDCA - ICN

2 stops38h 15mAir Canada

Deal found 9/12

$350

Fri 10/245:45 pmICN - DCA

2 stops35h 06mAir Canada

Sun 11/94:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/12

$427

Fri 10/245:45 pmICN - IAD

2 stops28h 53mAir Canada

Sun 11/94:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/13

$462

Mon 10/275:55 pmICN - IAD

2 stops40h 27mAir Canada

Sat 11/155:50 pmIAD - ICN

2 stops33h 20mAir Canada

Deal found 9/12

$472

Mon 10/277:10 pmICN - DCA

1 stop35h 55mAir Canada

Wed 11/54:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/13

$472

Mon 10/277:10 pmICN - IAD

1 stop33h 44mAir Canada

Wed 11/59:00 amIAD - ICN

2 stops42h 10mAir Canada

Deal found 9/13

$480

Tue 10/287:10 pmICN - IAD

1 stop38h 19mAir Canada

Tue 11/44:25 pmIAD - ICN

2 stops34h 45mAir Canada

Deal found 9/13

$385

Wed 10/295:55 pmICN - DCA

2 stops29h 31mAir Canada

Wed 11/54:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 9/13

$454

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 September 14, 2025.

Tue 10/289:20 pmICN - IAD

3 stops36h 00mMultiple Airlines

Deal found 9/13

$390

Thu 10/309:20 pmICN - IAD

3 stops32h 14mMultiple Airlines

Deal found 9/13

$393

Tue 10/219:05 pmICN - IAD

3 stops35h 41mMultiple Airlines

Deal found 9/14

$414

Sun 11/29:20 pmICN - IAD

2 stops34h 03mMultiple Airlines

Deal found 9/13

$417

Wed 10/229:25 pmICN - BWI

2 stops46h 10mMultiple Airlines

Deal found 9/12

$419

Sat 11/19:20 pmICN - IAD

3 stops40h 51mMultiple Airlines

Deal found 9/13

$419

Wed 10/159:25 pmICN - BWI

2 stops46h 10mMultiple Airlines

Deal found 9/13

$421

Sun 11/169:20 pmICN - BWI

2 stops40h 55mMultiple Airlines

Deal found 9/14

$429

Wed 10/156:00 pmICN - IAD

1 stop30h 13mAir Canada

Deal found 9/14

$440

Wed 10/226:00 pmICN - IAD

1 stop30h 13mAir Canada

Deal found 9/12

$441

Wed 10/156:00 pmICN - DCA

1 stop29h 20mAir Canada

Deal found 9/13

$441

Wed 9/246:00 pmICN - DCA

2 stops41h 34mAir Canada

Deal found 9/12

$447

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

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 11/24

6:55 pm-12:19 pm

2 stops31h 24m

Washington, D.C. Reagan-National

Thu 12/4

4:10 pm-5:10 pm

2 stops35h 00m

$471

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 11/7

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

Fri 11/21

8:40 pm-5:10 pm

2 stops30h 30m

$477

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Thu 10/30

11:55 am-5:40 am

1 stop30h 45m

Baltimore/Washington

Thu 11/6

6:16 pm-4:15 pm

2 stops31h 59m

$503

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Mon 12/15

6:00 pm-5:16 pm

1 stop37h 16m

Baltimore/Washington

Fri 2/27

8:30 am-4:15 pm

1 stop41h 45m

$503

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Wed 12/3

12:45 pm-11:00 pm

2 stops24h 15m

Baltimore/Washington

Sun 12/7

10:20 am-5:40 am

2 stops29h 20m

$503

IncheonBaltimore

ICN - BWI

ICNBWI

Incheon Intl

Fri 3/13

11:45 am-5:52 am

1 stop31h 07m

Baltimore/Washington

Tue 3/17

6:56 pm-4:40 am

1 stop20h 44m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 12/3

12:45 pm-11:15 pm

2 stops24h 30m

Washington, D.C. Dulles Intl

Sun 12/7

5:15 pm-5:40 am

2 stops22h 25m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 11/20

12:45 pm-11:44 pm

2 stops24h 59m

Washington, D.C. Dulles Intl

Thu 12/4

6:30 am-4:15 pm

1 stop19h 45m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 2/19

12:45 pm-4:29 pm

1 stop17h 44m

Washington, D.C. Dulles Intl

Mon 2/23

8:30 am-5:40 am

1 stop31h 10m

$503

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 9/24

11:30 am-4:25 pm

1 stop17h 55m

Washington, D.C. Dulles Intl

Tue 9/30

8:30 am-4:20 am

1 stop30h 50m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results

...

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.

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.

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

Currently, August is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $292). Flying from South Korea to Washington, D.C. in April is currently the most expensive (average of $337). 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.

Weekly flight availability from South Korea to Washington, D.C.

The most flights from KR0 to WAS are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air, Delta, and United Airlines 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

1,139 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

1,139 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Delta

8.0

Very good

7,956 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

United Airlines

7.4

Good

8,931 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

American Airlines

7.2

Good

10,000 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Jacqueline,Aug 2025

ICN - SEA

Air Canada

7.1

Good

10,000 reviews

Korean Air

8.4

Very good

1,139 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 and United Airlines fly from South Korea to Washington, D.C. in about 25h 52m. The time it takes to get you to your destination can typically vary by up to 5h 32m. The distance from South Korea to Washington, D.C. is about 6938 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 Canada ($440), Japan Airlines ($612), and EVA Air ($862).
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 $1,506, our data indicates the cheapest price to be $983. The most popular route (Incheon Intl - Washington, D.C. Dulles Intl), is priced around $490.
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, August is the cheapest month in which you can book a flight from South Korea to Washington, D.C. (average of $292). Flying from South Korea to Washington, D.C. in April is currently the most expensive (average of $337). 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

Woodbridge

Alexandria

Arlington

Tysons

Silver Spring

Springfield

Gaithersburg

Fredericksburg

Linthicum Heights

Fairfax

Falls Church

Owings Mills

Manassas

Rockville

Hanover

Oxon Hill

Laurel

Towson

Dundalk

National Harbor

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from South Korea to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$590	Average$964	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$649	Average$1,516	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$676	Average$825	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$688	Average$980	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$1,184	Average$1,396	FlexibilityNo cancel fee	On-time81%

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$350+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Korea to Washington, D.C. with Cheapflights

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

Keep the following information in mind while searching for South Korea to Washington, D.C. flight deals. Data was last updated September 14, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 September 14, 2025.

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 September 14, 2025.

Cheapflights Fare Finder

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

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

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

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 September 14, 2025.

Weekly flight availability from South Korea to Washington, D.C.

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with Korean Air, Delta, and United Airlines 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

Find useful and relevant information for your journey from South Korea to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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 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.

Top 5 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 September 14, 2025.