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

One-way options have recently been found by users for as low as $470 on American Airlines. Other airlines that offer cheap prices include Turkish Airlines from $528 and WestJet from $649 one-way.

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 Washington, D.C. Dulles Intl - Seoul Gimpo Intl as they are the most popular.

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

American Airlines, Air Canada and Delta 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 56 days before your planned departure. Booking around this time can save you about 32% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,226 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,406.

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 $1,453 for the month, but tickets can be as low as $863. Due to multiple factors, prepare for potentially higher prices in July.

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.

$1,114+ 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	$877 (Trip.com)
One-way from	$452 (Kiwi.com)
Good round-trip deal	$1,294 or less
Good one-way deal	$863 or less

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

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

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

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Price to beat on a one-way flight from Washington, D.C. (WAS) 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 January 21, 2025.

Thu 2/205:09 amDCA - ICN

2 stops21h 36mAmerican Airlines

Wed 3/56:50 pmICN - DCA

2 stops26h 37mAmerican Airlines

Deal found 1/21

$876

Mon 3/37:00 amDCA - ICN

2 stops32h 30mMultiple Airlines

Mon 3/104:40 pmICN - DCA

2 stops32h 23mMultiple Airlines

Deal found 1/21

$892

Mon 2/179:25 pmIAD - ICN

1 stop30h 55mTurkish Airlines

Sun 3/212:10 amICN - IAD

1 stop33h 20mTurkish Airlines

Deal found 1/21

$958

Thu 3/67:00 amBWI - ICN

2 stops32h 40mMultiple Airlines

Tue 3/188:25 amICN - BWI

3 stops34h 25mMultiple Airlines

Deal found 1/20

$972

Wed 3/267:00 amIAD - ICN

1 stop24h 30mMultiple Airlines

Wed 4/235:30 pmICN - IAD

2 stops27h 13mMultiple Airlines

Deal found 1/21

$1,012

Thu 2/208:53 pmDCA - ICN

2 stops29h 52mBritish Airways

Wed 3/56:50 pmICN - DCA

2 stops25h 44mBritish Airways

Deal found 1/21

$1,076

Tue 4/86:00 pmIAD - ICN

2 stops28h 35mAir China

Fri 4/255:50 pmICN - IAD

1 stop34h 50mAir China

Deal found 1/20

$1,168

Sat 3/84:35 pmIAD - GMP

2 stops30h 30mAir China

Mon 3/172:25 pmGMP - IAD

1 stop37h 45mAir China

Deal found 1/19

$1,168

Tue 7/84:35 pmDCA - ICN

2 stops34h 30mAir Canada

Tue 7/226:00 pmICN - DCA

1 stop29h 18mAir Canada

Deal found 1/20

$1,172

Tue 5/135:30 pmIAD - ICN

1 stop33h 35mAir Canada

Tue 6/245:45 pmICN - IAD

1 stop35h 42mAir Canada

Deal found 1/21

$1,172

Tue 4/87:00 amIAD - ICN

2 stops40h 35mCathay Pacific

Mon 4/143:10 pmICN - IAD

2 stops27h 30mCathay Pacific

Deal found 1/20

$1,217

Thu 2/208:30 amBWI - ICN

2 stops39h 45mAir China

Mon 3/33:30 pmICN - BWI

2 stops29h 21mAir China

Deal found 1/19

$1,315

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 January 21, 2025.

Mon 2/247:00 amDCA - ICN

2 stops32h 30mMultiple Airlines

Mon 3/108:50 pmICN - DCA

2 stops28h 13mMultiple Airlines

Deal found 1/20

$877

Mon 2/179:25 pmIAD - ICN

1 stop30h 55mTurkish Airlines

Sun 3/212:10 amICN - IAD

1 stop33h 20mTurkish Airlines

Deal found 1/21

$958

Tue 4/86:00 pmIAD - ICN

2 stops28h 35mAir China

Fri 4/255:50 pmICN - IAD

1 stop34h 50mAir China

Deal found 1/21

$1,168

Tue 4/87:00 amIAD - ICN

2 stops40h 35mCathay Pacific

Mon 4/143:10 pmICN - IAD

2 stops27h 30mCathay Pacific

Deal found 1/20

$1,217

Wed 4/96:30 amIAD - ICN

2 stops22h 00mAir Canada

Wed 5/75:45 pmICN - IAD

2 stops30h 29mAir Canada

Deal found 1/21

$1,250

Mon 2/177:05 pmDCA - GMP

2 stops25h 50mJapan Airlines

Wed 3/512:05 pmGMP - DCA

2 stops24h 30mJapan Airlines

Deal found 1/20

$1,405

Wed 3/56:13 amDCA - ICN

1 stop20h 32mAmerican Airlines

Sun 3/165:50 pmICN - DCA

1 stop20h 00mAmerican Airlines

Deal found 1/20

$1,462

Wed 4/27:00 amDCA - ICN

2 stops34h 25mLOT

Tue 4/1511:20 amICN - DCA

2 stops46h 39mLOT

Deal found 1/19

$1,507

Wed 3/266:45 pmBWI - ICN

2 stops31h 30mUnited Airlines

Wed 4/164:50 pmICN - BWI

1 stop27h 36mUnited Airlines

Deal found 1/21

$1,523

Tue 3/258:10 amBWI - ICN

1 stop18h 40mDelta

Mon 4/146:40 pmICN - BWI

2 stops19h 01mDelta

Deal found 1/19

$1,528

Wed 2/2611:05 amIAD - GMP

1 stop21h 25mANA

Wed 4/97:40 amGMP - IAD

1 stop21h 00mANA

Deal found 1/21

$1,603

Sat 4/56:00 amBWI - PUS

2 stops38h 35mKorean Air

Sun 4/134:25 pmPUS - BWI

2 stops42h 11mKorean Air

Deal found 1/20

$1,889

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 January 21, 2025 and is based on user searches.

Thu 1/239:29 amDCA - ICN

2 stops37h 16mCathay Pacific

Mon 2/33:00 pmICN - DCA

2 stops32h 32mCathay Pacific

Deal found 1/20

$1,316

Sun 1/2610:05 pmIAD - ICN

1 stop29h 50mMultiple Airlines

Sat 2/82:40 pmICN - IAD

1 stop20h 22mMultiple Airlines

Deal found 1/21

$1,266

Sun 1/2610:35 amIAD - ICN

2 stops36h 10mQatar Airways

Fri 2/712:20 amICN - IAD

1 stop29h 35mQatar Airways

Deal found 1/21

$1,583

Mon 1/278:18 amIAD - ICN

2 stops40h 57mAir Canada

Mon 2/34:55 pmICN - IAD

2 stops32h 35mAir Canada

Deal found 1/19

$1,350

Mon 1/276:42 amDCA - GMP

2 stops21h 38mJapan Airlines

Mon 2/37:50 amGMP - DCA

2 stops20h 40mJapan Airlines

Deal found 1/19

$1,567

Tue 1/286:00 pmDCA - ICN

2 stops36h 30mMultiple Airlines

Wed 2/126:55 pmICN - DCA

2 stops31h 08mMultiple Airlines

Deal found 1/21

$910

Tue 1/282:00 pmIAD - ICN

1 stop38h 20mTurkish Airlines

Wed 2/1210:45 amICN - IAD

1 stop46h 45mTurkish Airlines

Deal found 1/21

$976

Tue 1/289:55 amBWI - ICN

1 stop40h 15mMultiple Airlines

Wed 2/121:20 pmICN - BWI

2 stops29h 58mMultiple Airlines

Deal found 1/21

$1,167

Tue 1/286:50 amDCA - ICN

2 stops39h 55mCathay Pacific

Wed 2/123:00 pmICN - DCA

2 stops32h 28mCathay Pacific

Deal found 1/21

$1,316

Tue 1/287:30 amBWI - ICN

2 stops39h 15mCathay Pacific

Wed 2/123:00 pmICN - BWI

2 stops44h 58mCathay Pacific

Deal found 1/21

$1,493

Wed 1/298:40 pmDCA - ICN

1 stop31h 45mAir Canada

Thu 2/138:10 pmICN - DCA

2 stops28h 19mAir Canada

Deal found 1/21

$1,362

Wed 1/296:32 amIAD - GMP

2 stops40h 33mAir China

Thu 2/132:25 pmGMP - IAD

2 stops31h 08mAir China

Deal found 1/20

$1,637

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 January 21, 2025.

Mon 2/1011:07 amBWI - ICN

3 stops58h 28mMultiple Airlines

Deal found 1/21

$452

Tue 2/46:00 pmDCA - ICN

2 stops36h 30mMultiple Airlines

Deal found 1/21

$452

Sun 3/96:18 amIAD - ICN

1 stop20h 37mAmerican Airlines

Deal found 1/21

$470

Tue 7/159:40 pmIAD - ICN

1 stop31h 00mTurkish Airlines

Deal found 1/21

$528

Mon 2/108:08 amBWI - GMP

2 stops48h 27mMultiple Airlines

Deal found 1/21

$560

Sat 3/19:30 pmIAD - ICN

3 stops56h 00mMultiple Airlines

Deal found 1/21

$592

Wed 5/146:45 pmIAD - ICN

1 stop35h 00mWestJet

Deal found 1/20

$649

Fri 3/710:00 amIAD - GMP

3 stops58h 05mMultiple Airlines

Deal found 1/19

$651

Sat 3/16:00 pmDCA - GMP

3 stops53h 05mMultiple Airlines

Deal found 1/21

$656

Tue 2/48:18 amIAD - ICN

2 stops40h 57mAir Canada

Deal found 1/21

$679

Fri 4/189:40 amDCA - ICN

1 stop18h 50mAir Canada

Deal found 1/19

$686

Sun 2/2312:40 pmDCA - ICN

2 stops35h 15mCathay Pacific

Deal found 1/20

$704

Find flights from Washington, D.C. to South Korea within your budget

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 2/20

5:09 am-4:45 pm

2 stops21h 36m

Incheon Intl

Wed 3/5

6:50 pm-7:27 am

2 stops26h 37m

$876

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 2/17

6:00 am-3:30 pm

1 stop19h 30m

Incheon Intl

Thu 3/20

5:50 pm-9:55 pm

1 stop17h 05m

$877

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 2/17

5:00 am-4:45 pm

2 stops21h 45m

Incheon Intl

Thu 2/27

6:50 pm-10:59 pm

1 stop18h 09m

$882

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 3/3

7:00 am-5:30 am

2 stops32h 30m

Incheon Intl

Mon 3/10

4:40 pm-12:03 pm

2 stops32h 23m

$892

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Mon 2/17

9:25 pm-6:20 pm

1 stop30h 55m

Incheon Intl

Sun 3/2

12:10 am-7:30 pm

1 stop33h 20m

$958

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 3/26

7:00 am-8:30 pm

1 stop24h 30m

Incheon Intl

Wed 4/23

5:30 pm-7:43 am

2 stops27h 13m

$1,012

BaltimoreIncheon

BWI - ICN

BWIICN

Baltimore/Washington

Mon 3/24

1:45 pm-9:05 pm

2 stops42h 20m

Incheon Intl

Thu 4/10

12:50 pm-9:02 pm

1 stop21h 12m

$1,030

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 2/20

8:53 pm-4:45 pm

2 stops29h 52m

Incheon Intl

Wed 3/5

6:50 pm-6:34 am

2 stops25h 44m

$1,076

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 4/8

6:00 pm-11:35 am

2 stops28h 35m

Incheon Intl

Fri 4/25

5:50 pm-3:40 pm

1 stop34h 50m

$1,168

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

Sat 3/8

4:35 pm-1:05 pm

2 stops30h 30m

Seoul Gimpo Intl

Mon 3/17

2:25 pm-3:10 pm

1 stop37h 45m

$1,168

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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.

Travel insights for flights from Washington, D.C. to South Korea

Get recent, data-driven insights about flights from Washington, D.C. to South Korea including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to South Korea (average of $1,086). Flying from Washington, D.C. to South Korea in June is currently the most expensive (average of $1,722). 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).

Rainfall in South Korea by month

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.

Temperature in South Korea by month

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).

Reviews of airlines servicing South Korea

To help decide which airline to fly from Washington, D.C. to South Korea, see what other customers have to say about Turkish Airlines, Air China and Cathay Pacific. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air

8.5

Very good

1,039 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA

8.4

Very good

852 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines

8.3

Very good

1,449 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines

8.3

Very good

466 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates

8.1

Very good

3,360 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to South Korea one-way?
One-way options have recently been found by users for as low as $470 on American Airlines. Other airlines that offer cheap prices include Turkish Airlines from $528 and WestJet from $649 one-way.
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 Washington, D.C. Dulles Intl - Seoul Gimpo Intl as they are the most popular.
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, October is the cheapest month in which you can book a flight from Washington, D.C. to South Korea (average of $1,086). Flying from Washington, D.C. to South Korea in June is currently the most expensive (average of $1,722). 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 9 airlines flying from Washington, D.C. to South Korea

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$864	Average$1,391	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$876	Average$1,448	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$902	Average$1,864	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$902	Average$2,011	FlexibilityNo cancel fee	On-timeN/A
Turkish Airlines	Cheapest$968	Average$1,080	FlexibilityNo cancel fee	On-time77%
Korean Air	Cheapest$1,082	Average$1,848	FlexibilityNo cancel fee	On-time81%
Asiana Airlines	Cheapest$1,407	Average$1,741	FlexibilityNo cancel fee	On-time76%
Air France	Cheapest$1,583	Average$1,712	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$1,598	Average$1,689	FlexibilityNo cancel fee	On-time75%

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$452+ 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 2/10. 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 Washington, D.C. 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 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 January 21, 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 January 21, 2025.

Find flights from Washington, D.C. to South Korea within your budget

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.

Travel insights for flights from Washington, D.C. to South Korea

Get recent, data-driven insights about flights from Washington, D.C. to South Korea including ideal travel times, pricing trends, and more.

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 January 21, 2025.

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

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

Reviews of airlines servicing South Korea

To help decide which airline to fly from Washington, D.C. to South Korea, see what other customers have to say about Turkish Airlines, Air China and Cathay Pacific. 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.

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

What are the most popular routes 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 9 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 January 21, 2025.