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

Air Canada, United Airlines, and Delta can get you from Washington, D.C. to South Korea in just under 17h 40m. Your travel time can differ by up to 14h 55m. The distance from Washington, D.C. to South Korea is about 6939 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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

When deciding which route to take from Washington, D.C. to South Korea consider Washington, D.C. Dulles Intl - Incheon Intl, Washington, D.C. Reagan-National - Incheon Intl or Baltimore/Washington - Incheon Intl as they are the most popular.

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

Looking at all options, your cheapest flight can be booked for $440. While the most popular route (Washington, D.C. Dulles Intl - Incheon Intl) can be booked for $959 on average, our data indicates $2,824 when flying from Washington, D.C. to South Korea.

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

American Airlines, Air Canada and Air China are the most popular airlines when flying from Washington, D.C. to South Korea.

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

To save on the cost of your flight from Washington, D.C. to South Korea, book at least 19 days before your planned departure. Booking around this time can save you about 114% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $977 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,352.

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

Our data shows that January tends to be the cheapest month to fly to South Korea from Washington, D.C.. Users have commonly found prices around $1,332 for the month, but tickets can be as low as $863. Due to multiple factors, prepare for potentially higher prices in June.

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

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

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

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

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

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

$345+ Flights from Washington, D.C. to South Korea

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

Round-trip from	$728 (Kiwi.com)
One-way from	$345 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$1,182
Good round-trip deal	$1,102 or less
Good one-way deal	$548 or less

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($282 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($44 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 Washington, D.C. (WAS) to South Korea.

Search Deals

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

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

Cheapest flights from Washington, D.C. to South Korea
Explore the most affordable flight options available from Washington, D.C. to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Mon 11/38:35 pmICN - BWI

2 stops34h 41mMultiple Airlines

Deal found 9/11

$728

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Sun 10/269:15 pmICN - BWI

2 stops38h 21mMultiple Airlines

Deal found 9/11

$735

Mon 10/275:35 amBWI - ICN

1 stop34h 45mMultiple Airlines

Mon 11/39:25 pmICN - BWI

2 stops33h 51mMultiple Airlines

Deal found 9/11

$740

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Thu 10/309:20 pmICN - BWI

2 stops46h 15mMultiple Airlines

Deal found 9/11

$742

Thu 9/259:35 amIAD - ICN

1 stop17h 40mAir Canada

Wed 10/225:45 pmICN - IAD

2 stops28h 53mAir Canada

Deal found 9/11

$749

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Tue 10/289:20 pmICN - BWI

2 stops44h 10mMultiple Airlines

Deal found 9/11

$755

Mon 10/275:35 amBWI - ICN

1 stop34h 45mMultiple Airlines

Mon 11/106:55 pmICN - BWI

2 stops38h 24mMultiple Airlines

Deal found 9/10

$756

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Wed 11/56:55 pmICN - BWI

2 stops38h 24mMultiple Airlines

Deal found 9/10

$759

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Mon 10/276:55 pmICN - BWI

2 stops35h 21mMultiple Airlines

Deal found 9/11

$765

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Wed 10/296:55 pmICN - BWI

2 stops35h 21mMultiple Airlines

Deal found 9/11

$767

Mon 10/275:35 amBWI - ICN

1 stop34h 45mMultiple Airlines

Sun 11/99:20 pmICN - BWI

2 stops32h 15mMultiple Airlines

Deal found 9/11

$770

Sun 9/215:22 pmIAD - ICN

2 stops33h 43mAir Canada

Wed 9/247:05 pmICN - IAD

2 stops29h 08mAir Canada

Deal found 9/10

$784

Best flights from Washington, D.C. to South Korea
Discover carefully curated flight deals from Washington, D.C. to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Thu 9/259:35 amIAD - ICN

1 stop17h 40mAir Canada

Wed 10/226:00 pmICN - IAD

1 stop35h 18mAir Canada

Deal found 9/11

$756

Mon 10/275:35 amBWI - ICN

1 stop34h 45mMultiple Airlines

Mon 11/310:00 pmICN - BWI

1 stop22h 35mMultiple Airlines

Deal found 9/11

$862

Thu 10/26:45 amBWI - ICN

1 stop32h 35mUnited Airlines

Tue 10/1411:30 amICN - BWI

1 stop23h 00mUnited Airlines

Deal found 9/10

$1,059

Thu 9/255:35 amBWI - ICN

1 stop19h 35mDelta

Wed 10/224:25 pmICN - BWI

1 stop18h 50mDelta

Deal found 9/11

$1,066

Mon 10/201:30 pmIAD - ICN

1 stop39h 10mTurkish Airlines

Mon 11/310:45 amICN - IAD

1 stop39h 00mTurkish Airlines

Deal found 9/11

$1,066

Thu 9/255:30 pmDCA - ICN

2 stops30h 10mCathay Pacific

Wed 10/221:40 pmICN - DCA

2 stops48h 19mCathay Pacific

Deal found 9/11

$1,141

Fri 10/316:58 pmDCA - ICN

2 stops34h 37mAlaska Airlines

Fri 12/58:35 pmICN - DCA

2 stops35h 24mAlaska Airlines

Deal found 9/10

$1,184

Sun 12/76:00 amBWI - GMP

2 stops26h 05mJapan Airlines

Sun 12/218:00 amGMP - BWI

2 stops25h 29mJapan Airlines

Deal found 9/11

$1,207

Thu 10/236:12 pmBWI - PUS

2 stops28h 03mChina Airlines

Thu 10/3011:50 amPUS - BWI

2 stops31h 28mChina Airlines

Deal found 9/11

$1,242

Tue 11/410:00 pmIAD - GMP

1 stop25h 05mAir China

Thu 11/132:25 pmGMP - IAD

2 stops30h 23mAir China

Deal found 9/9

$1,374

Wed 11/1911:05 amIAD - GMP

1 stop21h 25mANA

Wed 11/267:50 pmGMP - IAD

1 stop27h 20mANA

Deal found 9/10

$1,677

Thu 9/256:00 amDCA - ICN

1 stop21h 15mAir Canada

Wed 10/226:00 pmICN - DCA

1 stop34h 51mAir Canada

Deal found 9/11

$929

Last-minute flights from Washington, D.C. to South Korea
Discover last-minute flight deals from Washington, D.C. to South Korea. Data last updated September 11, 2025 and is based on user searches.

Sun 9/215:22 pmIAD - ICN

2 stops33h 43mAir Canada

Wed 9/247:05 pmICN - IAD

2 stops29h 08mAir Canada

Deal found 9/10

$784

Thu 9/259:35 amIAD - ICN

1 stop17h 40mAir Canada

Wed 10/225:45 pmICN - IAD

2 stops28h 53mAir Canada

Deal found 9/11

$749

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Mon 11/38:35 pmICN - BWI

2 stops34h 41mMultiple Airlines

Deal found 9/11

$728

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Sun 10/269:15 pmICN - BWI

2 stops38h 21mMultiple Airlines

Deal found 9/11

$735

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Thu 10/309:20 pmICN - BWI

2 stops46h 15mMultiple Airlines

Deal found 9/11

$742

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Tue 10/289:20 pmICN - BWI

2 stops44h 10mMultiple Airlines

Deal found 9/11

$755

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Wed 11/56:55 pmICN - BWI

2 stops38h 24mMultiple Airlines

Deal found 9/10

$759

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Mon 10/276:55 pmICN - BWI

2 stops35h 21mMultiple Airlines

Deal found 9/11

$765

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Wed 10/296:55 pmICN - BWI

2 stops35h 21mMultiple Airlines

Deal found 9/11

$767

Mon 10/275:35 amBWI - ICN

1 stop34h 45mMultiple Airlines

Mon 11/39:25 pmICN - BWI

2 stops33h 51mMultiple Airlines

Deal found 9/11

$740

Mon 10/275:35 amBWI - ICN

1 stop34h 45mMultiple Airlines

Mon 11/106:55 pmICN - BWI

2 stops38h 24mMultiple Airlines

Deal found 9/10

$756

Mon 10/275:35 amBWI - ICN

1 stop34h 45mMultiple Airlines

Sun 11/99:20 pmICN - BWI

2 stops32h 15mMultiple Airlines

Deal found 9/11

$770

One-way flights from Washington, D.C. to South Korea
Search for one-way flight options from Washington, D.C. to South Korea. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Mon 10/67:50 amBWI - ICN

2 stops42h 55mMultiple Airlines

Deal found 9/11

$345

Mon 10/66:31 pmDCA - ICN

2 stops32h 14mMultiple Airlines

Deal found 9/11

$346

Sun 10/266:15 amIAD - ICN

2 stops58h 05mMultiple Airlines

Deal found 9/10

$357

Sun 10/266:21 pmBWI - ICN

2 stops45h 59mMultiple Airlines

Deal found 9/10

$358

Sun 11/166:00 amIAD - ICN

2 stops44h 10mMultiple Airlines

Deal found 9/11

$371

Mon 10/205:35 amBWI - ICN

1 stop34h 15mMultiple Airlines

Deal found 9/11

$379

Fri 10/176:45 pmIAD - ICN

1 stop35h 55mWestJet

Deal found 9/10

$382

Thu 10/1611:14 amBWI - ICN

2 stops28h 41mMultiple Airlines

Deal found 9/10

$392

Mon 10/66:10 amIAD - ICN

2 stops44h 35mMultiple Airlines

Deal found 9/11

$393

Mon 11/176:00 amIAD - ICN

2 stops33h 20mMultiple Airlines

Deal found 9/11

$401

Tue 9/305:45 amBWI - ICN

2 stops26h 30mMultiple Airlines

Deal found 9/10

$406

Mon 10/136:04 amIAD - ICN

3 stops44h 41mMultiple Airlines

Deal found 9/10

$409

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Thu 9/25

9:35 am-4:15 pm

1 stop17h 40m

Incheon Intl

Wed 10/22

6:00 pm-4:18 pm

1 stop35h 18m

$756

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 10/27

5:35 am-5:20 am

1 stop34h 45m

Incheon Intl

Mon 11/3

10:00 pm-6:35 am

1 stop22h 35m

$862

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 9/25

6:00 am-4:15 pm

1 stop21h 15m

Incheon Intl

Wed 10/22

6:00 pm-3:51 pm

1 stop34h 51m

$929

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 9/22

5:22 pm-4:05 pm

2 stops33h 43m

Incheon Intl

Sat 11/22

6:55 pm-11:23 am

2 stops30h 28m

$935

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 10/27

6:58 pm-4:10 pm

2 stops32h 12m

Incheon Intl

Mon 11/3

6:55 pm-5:58 pm

1 stop37h 03m

$1,023

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Thu 10/2

6:45 am-4:20 am

1 stop32h 35m

Incheon Intl

Tue 10/14

11:30 am-9:30 pm

1 stop23h 00m

$1,059

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Thu 9/25

5:35 am-2:10 pm

1 stop19h 35m

Incheon Intl

Wed 10/22

4:25 pm-10:15 pm

1 stop18h 50m

$1,066

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 10/20

1:30 pm-5:40 pm

1 stop39h 10m

Incheon Intl

Mon 11/3

10:45 am-11:45 am

1 stop39h 00m

$1,066

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Sun 10/19

6:00 am-4:25 pm

1 stop21h 25m

Incheon Intl

Wed 11/5

6:00 pm-10:15 pm

1 stop18h 15m

$1,066

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Sun 9/21

2:54 pm-4:20 am

2 stops24h 26m

Incheon Intl

Tue 9/30

4:50 pm-9:30 pm

1 stop17h 40m

$1,066

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 60 results

...

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

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

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to South Korea (average of $990). Flying from Washington, D.C. to South Korea in December is currently the most expensive (average of $1,633). 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 WAS to KR?

When flying from Washington, D.C. to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The most flights from WAS to KR0 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 South Korea

Peruse reviews from past customers who have flown with Korean Air, Delta, and United Airlines from Washington, D.C. to South Korea 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

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Korean Air

8.4

Very good

1,139 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Delta

8.0

Very good

7,960 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

United Airlines

7.4

Good

8,937 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

American Airlines

7.2

Good

10,000 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Air Canada

7.1

Good

10,000 reviews

Korean Air

8.4

Very good

1,139 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Related info for your journey

How long is the flight from Washington, D.C. to South Korea?
Air Canada, United Airlines, and Delta can get you from Washington, D.C. to South Korea in just under 17h 40m. Your travel time can differ by up to 14h 55m. The distance from Washington, D.C. to South Korea is about 6939 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the most popular routes from Washington, D.C. to South Korea?
When deciding which route to take from Washington, D.C. to South Korea consider Washington, D.C. Dulles Intl - Incheon Intl, Washington, D.C. Reagan-National - Incheon Intl or Baltimore/Washington - Incheon Intl as they are the most popular.
What are the cheapest flights from Washington, D.C. to South Korea?
Looking at all options, your cheapest flight can be booked for $440. While the most popular route (Washington, D.C. Dulles Intl - Incheon Intl) can be booked for $959 on average, our data indicates $2,824 when flying from Washington, D.C. to South Korea.
Can I find deals for flights from Washington, D.C. to South Korea that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to South Korea?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to South Korea.
Can I find deals for business class flights from Washington, D.C. to South Korea?
Yes. Cheapflights offers flight deals from Washington, D.C. to South Korea 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 Washington, D.C. to South Korea?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to South Korea (average of $990). Flying from Washington, D.C. to South Korea in December is currently the most expensive (average of $1,633). 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

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Washington, D.C. to South Korea

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$367	Average$1,467	FlexibilityNo cancel fee	On-time69%
Air China	Cheapest$591	Average$1,121	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$716	Average$1,137	FlexibilityNo cancel fee	On-time71%
Asiana Airlines	Cheapest$759	Average$1,530	FlexibilityNo cancel fee	On-time76%
Turkish Airlines	Cheapest$800	Average$993	FlexibilityNo cancel fee	On-time77%
Air Canada	Cheapest$864	Average$1,257	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$877	Average$1,684	FlexibilityNo cancel fee	On-timeN/A
Korean Air	Cheapest$1,059	Average$1,834	FlexibilityNo cancel fee	On-time81%

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$345+ Cheap flights from Washington, D.C. (WAS) to South Korea

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.

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

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

Keep the following information in mind while searching for Washington, D.C. to South Korea flight deals. Data was last updated September 11, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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

Cheapest flights from Washington, D.C. to South KoreaExplore the most affordable flight options available from Washington, D.C. to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Washington, D.C. to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Washington, D.C. to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

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

Reviews of airlines servicing South Korea

Peruse reviews from past customers who have flown with Korean Air, Delta, and United Airlines from Washington, D.C. to South Korea 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 Washington, D.C. to South Korea. 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 Washington, D.C. to South Korea?

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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

Top 8 airlines flying from Washington, D.C. to South Korea

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Cheapest flights from Washington, D.C. to South Korea
Explore the most affordable flight options available from Washington, D.C. to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.