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

One-way options have recently been found by users for as low as $587 on Air Canada. Other airlines that offer cheap prices include China Airlines from $667 and Cathay Pacific from $685 one-way.

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. Reagan-National Airport to South Korea?

Most travelers choose Washington, D.C. Reagan-National - Incheon Intl, Washington, D.C. Reagan-National - Seoul Gimpo Intl or Washington, D.C. Reagan-National - Busan Gimhae when deciding on the best route from Washington, D.C. Reagan-National Airport to South Korea.

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

American Airlines, Air Canada and Korean Air are the most popular airlines when flying from Washington, D.C. Reagan-National Airport to South Korea.

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

Find a great deal and save up to 128% by booking at least 19 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. Reagan-National Airport to South Korea within the next two weeks, with the cheapest ticket starting at $1,165.

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

Our data shows that January tends to be the cheapest month to fly to South Korea from Washington, D.C. Reagan-National Airport. Users have commonly found prices around $1,357 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 Reagan-National to South Korea that include hotel bookings?

Yes. In addition to deals on Reagan-National to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to South Korea?

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

Can I find deals for business class flights from Reagan-National to South Korea?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$1,377+ Flights from Washington, D.C. Reagan-National Airport to South Korea

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Cheap flight deals from Reagan-National to South Korea

Round-trip from	$1,172 (Mytrip)
One-way from	$530 (Mytrip)
Popular in	June
Cheapest in	January
Average price	$1,696

From Washington, D.C. Reagan-National to South Korea

Search Deals

One-way flight from Washington, D.C. Reagan-National to South Korea

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($331 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Reagan-National to South Korea

Cheapest flights from Reagan-National to South Korea
Explore the most affordable flight options available from Reagan-National to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Sat 8/306:50 pmDCA - ICN

3 stops32h 15mAir Canada

Wed 9/175:45 pmICN - DCA

2 stops29h 35mAir Canada

Deal found 7/1

$1,172

Tue 9/26:59 pmDCA - ICN

1 stop36h 31mMultiple Airlines

Thu 9/2512:45 pmICN - DCA

1 stop21h 14mMultiple Airlines

Deal found 7/2

$1,186

Mon 9/85:06 pmDCA - ICN

2 stops29h 09mChina Airlines

Sat 9/1312:35 pmICN - DCA

2 stops45h 24mChina Airlines

Deal found 7/1

$1,187

Mon 9/86:45 amDCA - ICN

1 stop19h 45mAmerican Airlines

Sun 9/215:25 pmICN - DCA

1 stop18h 44mAmerican Airlines

Deal found 7/3

$1,207

Wed 8/275:30 pmDCA - ICN

2 stops36h 35mCathay Pacific

Tue 9/210:10 amICN - DCA

2 stops27h 59mCathay Pacific

Deal found 7/2

$1,260

Mon 8/187:20 pmDCA - GMP

2 stops33h 40mJapan Airlines

Tue 9/27:55 amGMP - DCA

2 stops28h 23mJapan Airlines

Deal found 7/3

$1,329

Mon 8/1810:09 pmDCA - GMP

2 stops23h 36mMultiple Airlines

Tue 9/27:55 amGMP - DCA

2 stops19h 37mMultiple Airlines

Deal found 7/1

$1,356

Sun 8/179:59 amDCA - TAE

2 stops30h 26mMultiple Airlines

Sun 8/2410:40 pmTAE - DCA

2 stops59h 19mMultiple Airlines

Deal found 7/3

$1,476

Wed 8/273:30 pmDCA - GMP

2 stops30h 35mANA

Tue 9/27:55 pmGMP - DCA

2 stops31h 21mANA

Deal found 7/3

$1,641

Sat 8/166:58 pmDCA - PUS

2 stops35h 02mChina Airlines

Sat 8/2310:20 amPUS - DCA

2 stops47h 39mChina Airlines

Deal found 7/2

$1,689

Mon 8/185:00 pmDCA - PUS

2 stops27h 10mKorean Air

Mon 9/18:05 amPUS - DCA

2 stops21h 28mKorean Air

Deal found 7/2

$1,761

Mon 8/188:59 amDCA - TAE

2 stops22h 36mDelta

Mon 9/17:05 amTAE - DCA

2 stops22h 28mDelta

Deal found 7/2

$1,789

Best flights from Reagan-National to South Korea
Discover carefully curated flight deals from Reagan-National to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Sat 8/306:50 pmDCA - ICN

3 stops32h 15mAir Canada

Wed 9/175:45 pmICN - DCA

2 stops29h 35mAir Canada

Deal found 7/1

$1,172

Tue 9/26:59 pmDCA - ICN

1 stop36h 31mMultiple Airlines

Thu 9/2512:45 pmICN - DCA

1 stop21h 14mMultiple Airlines

Deal found 7/2

$1,186

Mon 9/85:06 pmDCA - ICN

2 stops29h 09mChina Airlines

Sat 9/1312:35 pmICN - DCA

2 stops45h 24mChina Airlines

Deal found 7/1

$1,187

Mon 9/86:45 amDCA - ICN

1 stop19h 45mAmerican Airlines

Sun 9/215:25 pmICN - DCA

1 stop18h 44mAmerican Airlines

Deal found 7/3

$1,207

Wed 8/275:30 pmDCA - ICN

2 stops36h 35mCathay Pacific

Tue 9/210:10 amICN - DCA

2 stops27h 59mCathay Pacific

Deal found 7/2

$1,260

Mon 8/187:20 pmDCA - GMP

2 stops33h 40mJapan Airlines

Tue 9/27:55 amGMP - DCA

2 stops28h 23mJapan Airlines

Deal found 7/3

$1,329

Wed 8/273:30 pmDCA - GMP

2 stops30h 35mANA

Tue 9/27:55 pmGMP - DCA

2 stops31h 21mANA

Deal found 7/3

$1,641

Mon 8/185:00 pmDCA - PUS

2 stops27h 10mKorean Air

Mon 9/18:05 amPUS - DCA

2 stops21h 28mKorean Air

Deal found 7/2

$1,761

Mon 8/188:59 amDCA - TAE

2 stops22h 36mDelta

Mon 9/17:05 amTAE - DCA

2 stops22h 28mDelta

Deal found 7/2

$1,789

Mon 8/1810:09 pmDCA - GMP

2 stops23h 36mMultiple Airlines

Tue 9/27:55 amGMP - DCA

2 stops19h 37mMultiple Airlines

Deal found 7/1

$1,356

Sun 8/178:00 amDCA - PUS

2 stops38h 15mChina Airlines

Sun 8/2410:20 amPUS - DCA

2 stops44h 39mChina Airlines

Deal found 7/3

$1,430

Sun 8/179:59 amDCA - TAE

2 stops30h 26mMultiple Airlines

Sun 8/2410:40 pmTAE - DCA

2 stops59h 19mMultiple Airlines

Deal found 7/3

$1,476

Last-minute flights from Reagan-National to South Korea
Discover last-minute flight deals from Reagan-National to South Korea. Data last updated July 3, 2025 and is based on user searches.

Tue 7/89:40 amDCA - ICN

1 stop17h 35mAir Canada

Mon 7/147:05 pmICN - DCA

1 stop35h 57mAir Canada

Deal found 7/1

$1,443

Tue 7/85:02 pmDCA - PUS

2 stops36h 58mChina Airlines

Sun 7/2010:20 amPUS - DCA

2 stops48h 22mChina Airlines

Deal found 7/3

$2,512

Wed 7/95:02 pmDCA - ICN

2 stops37h 18mPhilippine Airlines

Wed 7/168:00 amICN - DCA

2 stops49h 29mPhilippine Airlines

Deal found 7/2

$1,587

Wed 7/94:50 pmDCA - ICN

2 stops28h 40mQatar Airways

Sun 7/201:20 amICN - DCA

2 stops31h 43mQatar Airways

Deal found 7/1

$2,730

Thu 7/106:00 amDCA - GMP

2 stops26h 50mJapan Airlines

Wed 7/167:55 amGMP - DCA

2 stops19h 38mJapan Airlines

Deal found 7/3

$1,976

Thu 7/108:40 pmDCA - GMP

3 stops35h 55mMultiple Airlines

Wed 7/168:20 amGMP - DCA

2 stops27h 07mMultiple Airlines

Deal found 7/3

$2,889

Sat 7/125:43 pmDCA - ICN

2 stops36h 17mAlaska Airlines

Mon 8/259:25 pmICN - DCA

2 stops36h 34mAlaska Airlines

Deal found 7/2

$1,916

Sat 7/128:00 amDCA - ICN

2 stops38h 20mFinnair

Tue 8/269:50 pmICN - DCA

2 stops38h 28mFinnair

Deal found 7/2

$2,199

Sun 7/139:39 amDCA - ICN

1 stop17h 46mKorean Air

Mon 8/256:40 pmICN - DCA

1 stop16h 21mKorean Air

Deal found 7/2

$2,050

Sun 7/1311:00 amDCA - ICN

1 stop17h 30mMultiple Airlines

Wed 8/272:05 pmICN - DCA

2 stops21h 22mMultiple Airlines

Deal found 7/2

$2,401

Sun 8/178:00 amDCA - PUS

2 stops38h 15mChina Airlines

Sun 8/2410:20 amPUS - DCA

2 stops44h 39mChina Airlines

Deal found 7/3

$1,430

Sun 8/179:59 amDCA - TAE

2 stops30h 26mMultiple Airlines

Sun 8/2410:40 pmTAE - DCA

2 stops59h 19mMultiple Airlines

Deal found 7/3

$1,476

One-way flights from Reagan-National to South Korea
Search for one-way flight options from Reagan-National to South Korea. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 9/56:59 amDCA - ICN

2 stops22h 46mMultiple Airlines

Deal found 7/3

$530

Mon 8/119:40 amDCA - ICN

1 stop17h 35mAir Canada

Deal found 7/3

$587

Wed 8/138:40 amDCA - PUS

3 stops39h 50mMultiple Airlines

Deal found 7/1

$603

Sat 8/305:06 pmDCA - ICN

2 stops37h 29mChina Airlines

Deal found 7/2

$667

Sun 8/176:30 amDCA - ICN

2 stops42h 35mCathay Pacific

Deal found 7/3

$685

Fri 8/159:59 amDCA - TAE

2 stops30h 26mMultiple Airlines

Deal found 7/1

$730

Tue 9/22:50 pmDCA - ICN

2 stops38h 55mWestJet

Deal found 7/2

$738

Tue 7/159:59 amDCA - GMP

3 stops47h 11mMultiple Airlines

Deal found 7/1

$747

Wed 8/278:59 amDCA - GMP

2 stops38h 51mEVA Air

Deal found 7/1

$753

Sat 8/306:59 pmDCA - ICN

3 stops35h 01mAlaska Airlines

Deal found 7/2

$814

Wed 8/276:30 amDCA - GMP

2 stops39h 15mJapan Airlines

Deal found 7/2

$896

Fri 9/198:30 amDCA - GMP

2 stops24h 50mANA

Deal found 7/3

$1,135

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 8/30

6:50 pm-4:05 pm

3 stops32h 15m

Incheon Intl

Wed 9/17

5:45 pm-10:20 am

2 stops29h 35m

$1,172

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 9/2

6:59 pm-8:30 pm

1 stop36h 31m

Incheon Intl

Thu 9/25

12:45 pm-8:59 pm

1 stop21h 14m

$1,186

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 9/8

5:06 pm-11:15 am

2 stops29h 09m

Incheon Intl

Sat 9/13

12:35 pm-8:59 pm

2 stops45h 24m

$1,187

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 9/8

6:45 am-3:30 pm

1 stop19h 45m

Incheon Intl

Sun 9/21

5:25 pm-11:09 pm

1 stop18h 44m

$1,207

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 8/27

5:30 pm-7:05 pm

2 stops36h 35m

Incheon Intl

Tue 9/2

10:10 am-1:09 am

2 stops27h 59m

$1,260

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 8/18

7:20 pm-6:00 pm

2 stops33h 40m

Seoul Gimpo Intl

Tue 9/2

7:55 am-11:18 pm

2 stops28h 23m

$1,329

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 8/18

10:09 pm-10:45 am

2 stops23h 36m

Seoul Gimpo Intl

Tue 9/2

7:55 am-2:32 pm

2 stops19h 37m

$1,356

Washington, D.C.Daegu

DCA - TAE

DCATAE

Washington, D.C. Reagan-National

Sun 8/17

9:59 am-5:25 am

2 stops30h 26m

Daegu

Sun 8/24

10:40 pm-8:59 pm

2 stops59h 19m

$1,476

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Wed 8/27

3:30 pm-11:05 am

2 stops30h 35m

Seoul Gimpo Intl

Tue 9/2

7:55 pm-2:16 pm

2 stops31h 21m

$1,641

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Sat 8/16

6:58 pm-7:00 pm

2 stops35h 02m

Busan Gimhae

Sat 8/23

10:20 am-8:59 pm

2 stops47h 39m

$1,689

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 30 results

Best time to book a flight from Reagan-National to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Reagan-National 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. Reagan-National Airport to South Korea

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Korea (average of $998). Flying from Washington, D.C. Reagan-National Airport to South Korea in December is currently the most expensive (average of $1,635). 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 DCA to KR?

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

Reviews of airlines servicing South Korea

Read reviews from past customers who have flown EVA Air, ANA, and Korean Air from Washington, D.C. Reagan-National Airport to South Korea. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,215 reviews

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.4

Very good

893 reviews

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,101 reviews

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,505 reviews

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

744 reviews

EVA Air

8.4

Very good

1,215 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to South Korea one-way?
One-way options have recently been found by users for as low as $587 on Air Canada. Other airlines that offer cheap prices include China Airlines from $667 and Cathay Pacific from $685 one-way.
What are the most popular routes from Washington, D.C. Reagan-National Airport to South Korea?
Most travelers choose Washington, D.C. Reagan-National - Incheon Intl, Washington, D.C. Reagan-National - Seoul Gimpo Intl or Washington, D.C. Reagan-National - Busan Gimhae when deciding on the best route from Washington, D.C. Reagan-National Airport to South Korea.
Can I find deals for flights from Reagan-National to South Korea that include hotel bookings?
Yes. In addition to deals on Reagan-National to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to South Korea?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to South Korea.
Can I find deals for business class flights from Reagan-National to South Korea?
Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to South Korea?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Korea (average of $998). Flying from Washington, D.C. Reagan-National Airport to South Korea in December is currently the most expensive (average of $1,635). 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

Alternative routes for Reagan-National to South Korea

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Complete your trip

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Seoul car rentals

Top 3 airlines flying from Reagan-National to South Korea

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$867	Average$1,285	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$877	Average$1,077	FlexibilityNo cancel fee	On-time71%
Korean Air	Cheapest$1,527	Average$1,808	FlexibilityNo cancel fee	On-time81%

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$530+ Cheap flights from Reagan-National (DCA) 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 9/5. 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 Reagan-National to South Korea

Keep the following information in mind while searching for Reagan-National to South Korea flight deals. Data was last updated July 3, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to South Korea

Cheapest flights from Reagan-National to South KoreaExplore the most affordable flight options available from Reagan-National to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Reagan-National to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Reagan-National to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Reagan-National with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Reagan-National 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 July 3, 2025.

Reviews of airlines servicing South Korea

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National Airport to South Korea one-way?

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

Can I find deals for flights from Reagan-National to South Korea that include hotel bookings?

How can I find direct flights from Reagan-National to South Korea?

Can I find deals for business class flights from Reagan-National to South Korea?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport 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 Reagan-National to South Korea

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

Top 3 airlines flying from Reagan-National to South Korea

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Cheapest flights from Reagan-National to South Korea
Explore the most affordable flight options available from Reagan-National to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.