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

The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $588. However, be on the lookout for offers from Japan Airlines and EVA Air, as they are both options that can get you from South Korea to Washington, D.C. Reagan-National Airport for a low price.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport 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. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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. Reagan-National Airport?

The most popular flight routes from South Korea to Washington, D.C. Reagan-National Airport are Incheon Intl - Washington, D.C. Reagan-National, Busan Gimhae - Washington, D.C. Reagan-National and Seoul Gimpo Intl - Washington, D.C. Reagan-National.

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

Users have found that booking a flight from South Korea to Washington, D.C. Reagan-National Airport at least 56 days early can save you up to 87% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from South Korea to Washington, D.C. Reagan-National Airport for as little as $827 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $2,963 for flights departing within the next 3 days.

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

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. Reagan-National Airport. Flights to Washington, D.C. Reagan-National Airport from South Korea in February are about $1,081 on average during February, but can be found for as low as $748.

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

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

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

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

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

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

$1,221+ Flights from South Korea to Washington, D.C. Reagan-National Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from South Korea to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from South Korea to Reagan-National

Round-trip from	$728 (Trip.com)
One-way from	$500 (Trip.com)
Popular in	August
Cheapest in	February
Average price	$1,196

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($200 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from South Korea to Reagan-National

Cheapest flights from South Korea to Reagan-National
Explore the most affordable flight options available from South Korea to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Fri 9/195:45 pmICN - DCA

2 stops37h 14mMultiple Airlines

Sat 9/276:59 pmDCA - ICN

2 stops56h 06mMultiple Airlines

Deal found 6/29

$728

Tue 11/186:55 pmICN - DCA

2 stops29h 31mAir Canada

Thu 11/204:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 6/30

$817

Mon 11/1712:25 pmGMP - DCA

2 stops38h 34mANA

Thu 11/207:30 amDCA - GMP

2 stops49h 00mANA

Deal found 6/30

$1,045

Tue 8/124:45 pmPUS - DCA

2 stops42h 42mMultiple Airlines

Tue 8/199:40 amDCA - PUS

2 stops33h 05mMultiple Airlines

Deal found 6/30

$1,047

Wed 9/177:55 amGMP - DCA

2 stops19h 25mJapan Airlines

Wed 10/2210:09 pmDCA - GMP

2 stops23h 36mJapan Airlines

Deal found 7/2

$1,144

Mon 12/223:45 pmGMP - DCA

2 stops20h 50mMultiple Airlines

Thu 1/229:40 amDCA - GMP

2 stops22h 50mMultiple Airlines

Deal found 6/30

$1,280

Wed 8/204:30 pmPUS - DCA

2 stops18h 31mDelta

Tue 8/267:45 amDCA - PUS

2 stops22h 50mDelta

Deal found 7/2

$1,577

Thu 8/149:00 pmPUS - DCA

2 stops36h 59mPhilippine Airlines

Thu 8/218:20 amDCA - PUS

2 stops46h 30mPhilippine Airlines

Deal found 6/30

$1,708

Sun 7/1310:40 amPUS - DCA

2 stops24h 21mKorean Air

Sat 8/97:50 amDCA - PUS

2 stops23h 55mKorean Air

Deal found 7/1

$2,035

Best flights from South Korea to Reagan-National
Discover carefully curated flight deals from South Korea to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Fri 9/195:45 pmICN - DCA

2 stops37h 14mMultiple Airlines

Sat 9/276:59 pmDCA - ICN

2 stops56h 06mMultiple Airlines

Deal found 6/29

$728

Tue 11/186:55 pmICN - DCA

2 stops29h 31mAir Canada

Thu 11/204:10 pmDCA - ICN

2 stops35h 00mAir Canada

Deal found 6/30

$817

Mon 11/1712:25 pmGMP - DCA

2 stops38h 34mANA

Thu 11/207:30 amDCA - GMP

2 stops49h 00mANA

Deal found 6/30

$1,045

Wed 9/177:55 amGMP - DCA

2 stops19h 25mJapan Airlines

Wed 10/2210:09 pmDCA - GMP

2 stops23h 36mJapan Airlines

Deal found 7/2

$1,144

Wed 8/204:30 pmPUS - DCA

2 stops18h 31mDelta

Tue 8/267:45 amDCA - PUS

2 stops22h 50mDelta

Deal found 7/2

$1,577

Fri 8/159:00 pmPUS - DCA

2 stops37h 00mPhilippine Airlines

Fri 8/225:30 pmDCA - PUS

2 stops37h 20mPhilippine Airlines

Deal found 7/1

$1,728

Sun 7/1310:40 amPUS - DCA

2 stops24h 21mKorean Air

Sat 8/97:50 amDCA - PUS

2 stops23h 55mKorean Air

Deal found 7/1

$2,035

Tue 8/124:45 pmPUS - DCA

2 stops42h 42mMultiple Airlines

Tue 8/199:40 amDCA - PUS

2 stops33h 05mMultiple Airlines

Deal found 7/1

$1,047

Mon 12/223:45 pmGMP - DCA

2 stops20h 50mMultiple Airlines

Thu 1/229:40 amDCA - GMP

2 stops22h 50mMultiple Airlines

Deal found 6/30

$1,280

Last-minute flights from South Korea to Reagan-National
Discover last-minute flight deals from South Korea to Reagan-National. Data last updated July 2, 2025 and is based on user searches.

Mon 7/77:55 amGMP - DCA

2 stops36h 54mJapan Airlines

Tue 7/226:00 amDCA - GMP

2 stops26h 50mJapan Airlines

Deal found 6/29

$1,435

Mon 7/711:20 amICN - DCA

2 stops48h 39mLOT

Mon 7/216:30 amDCA - ICN

2 stops34h 55mLOT

Deal found 6/29

$1,714

Tue 7/85:45 pmICN - DCA

2 stops28h 12mAir Canada

Tue 7/158:40 pmDCA - ICN

2 stops30h 25mAir Canada

Deal found 6/30

$1,061

Tue 7/87:55 pmGMP - DCA

2 stops31h 18mANA

Thu 7/243:30 pmDCA - GMP

2 stops30h 35mANA

Deal found 7/1

$1,146

Tue 7/811:30 amICN - DCA

2 stops23h 08mUnited Airlines

Thu 7/103:30 pmDCA - ICN

2 stops23h 50mUnited Airlines

Deal found 6/29

$1,214

Wed 7/91:20 amICN - DCA

2 stops31h 43mQatar Airways

Thu 7/246:55 pmDCA - ICN

2 stops33h 10mQatar Airways

Deal found 6/30

$2,033

Thu 7/1010:10 amICN - DCA

2 stops22h 32mMultiple Airlines

Thu 7/249:40 amDCA - ICN

1 stop17h 35mMultiple Airlines

Deal found 6/29

$1,009

Fri 7/119:25 pmICN - DCA

2 stops37h 34mAlaska Airlines

Sun 7/276:58 pmDCA - ICN

2 stops59h 02mAlaska Airlines

Deal found 6/29

$1,652

Fri 7/118:30 amICN - DCA

2 stops28h 12mKLM

Wed 7/234:51 pmDCA - ICN

2 stops24h 39mKLM

Deal found 6/29

$1,737

Sat 7/128:45 pmICN - DCA

2 stops27h 15mWestJet

Fri 7/256:00 amDCA - ICN

2 stops23h 45mWestJet

Deal found 6/29

$1,940

Sun 7/1310:40 amPUS - DCA

2 stops24h 21mKorean Air

Sat 8/97:50 amDCA - PUS

2 stops23h 55mKorean Air

Deal found 7/1

$2,035

Mon 7/217:05 pmICN - DCA

1 stop26h 52mAir Canada

Sat 7/266:00 amDCA - ICN

1 stop21h 15mAir Canada

Deal found 6/30

$1,030

One-way flights from South Korea to Reagan-National
Search for one-way flight options from South Korea to Reagan-National. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Tue 9/1612:45 pmICN - DCA

1 stop21h 14mMultiple Airlines

Deal found 7/1

$500

Fri 8/297:50 amPUS - DCA

2 stops47h 09mMultiple Airlines

Deal found 7/2

$559

Mon 12/156:55 pmICN - DCA

2 stops31h 24mAir Canada

Deal found 7/1

$588

Wed 10/297:45 amGMP - DCA

2 stops27h 50mMultiple Airlines

Deal found 7/2

$712

Wed 10/297:50 amGMP - DCA

2 stops28h 07mJapan Airlines

Deal found 7/2

$735

Fri 12/261:50 pmGMP - DCA

2 stops41h 42mEVA Air

Deal found 6/30

$954

Sun 8/179:00 pmPUS - DCA

2 stops36h 59mPhilippine Airlines

Deal found 7/2

$1,007

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 9/19

5:45 pm-5:59 pm

2 stops37h 14m

Washington, D.C. Reagan-National

Sat 9/27

6:59 pm-4:05 pm

2 stops56h 06m

$728

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 11/18

6:55 pm-10:26 am

2 stops29h 31m

Washington, D.C. Reagan-National

Thu 11/20

4:10 pm-5:10 pm

2 stops35h 00m

$817

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 11/17

12:25 pm-12:59 pm

2 stops38h 34m

Washington, D.C. Reagan-National

Thu 11/20

7:30 am-10:30 pm

2 stops49h 00m

$1,045

BusanWashington, D.C.

PUS - DCA

PUSDCA

Busan Gimhae

Tue 8/12

4:45 pm-10:27 pm

2 stops42h 42m

Washington, D.C. Reagan-National

Tue 8/19

9:40 am-7:45 am

2 stops33h 05m

$1,047

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 9/17

7:55 am-2:20 pm

2 stops19h 25m

Washington, D.C. Reagan-National

Wed 10/22

10:09 pm-10:45 am

2 stops23h 36m

$1,144

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Mon 12/22

3:45 pm-10:35 pm

2 stops20h 50m

Washington, D.C. Reagan-National

Thu 1/22

9:40 am-10:30 pm

2 stops22h 50m

$1,280

BusanWashington, D.C.

PUS - DCA

PUSDCA

Busan Gimhae

Wed 8/20

4:30 pm-10:01 pm

2 stops18h 31m

Washington, D.C. Reagan-National

Tue 8/26

7:45 am-7:35 pm

2 stops22h 50m

$1,577

BusanWashington, D.C.

PUS - DCA

PUSDCA

Busan Gimhae

Thu 8/14

9:00 pm-8:59 pm

2 stops36h 59m

Washington, D.C. Reagan-National

Thu 8/21

8:20 am-7:50 pm

2 stops46h 30m

$1,708

BusanWashington, D.C.

PUS - DCA

PUSDCA

Busan Gimhae

Sun 7/13

10:40 am-10:01 pm

2 stops24h 21m

Washington, D.C. Reagan-National

Sat 8/9

7:50 am-8:45 pm

2 stops23h 55m

$2,035

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 9/16

12:45 pm-8:59 pm

1 stop21h 14m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 17 results

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

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

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

Currently, February is the cheapest month in which you can book a flight from South Korea to Washington, D.C. Reagan-National Airport (average of $278). Flying from South Korea to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 DCA?

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

Reviews of airlines servicing Reagan-National

Peruse reviews from past customers who have flown with EVA Air, ANA, and Korean Air from South Korea to Washington, D.C. Reagan-National Airport 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.

EVA Air

8.4

Very good

1,214 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

1,214 reviews

EVA Air

8.4

Very good

1,214 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

892 reviews

EVA Air

8.4

Very good

1,214 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

1,214 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

1,214 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

Delta

8.0

Very good

7,983 reviews

EVA Air

8.4

Very good

1,214 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 South Korea to Washington, D.C. Reagan-National Airport one-way?
The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $588. However, be on the lookout for offers from Japan Airlines and EVA Air, as they are both options that can get you from South Korea to Washington, D.C. Reagan-National Airport for a low price.
What are the most popular routes from South Korea to Washington, D.C. Reagan-National Airport?
The most popular flight routes from South Korea to Washington, D.C. Reagan-National Airport are Incheon Intl - Washington, D.C. Reagan-National, Busan Gimhae - Washington, D.C. Reagan-National and Seoul Gimpo Intl - Washington, D.C. Reagan-National.
Can I find deals for flights from South Korea to Reagan-National that include hotel bookings?
Yes. In addition to deals on South Korea to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Korea to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Reagan-National.
Can I find deals for business class flights from South Korea to Reagan-National?
Yes. Cheapflights offers flight deals from South Korea to Reagan-National 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. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from South Korea to Washington, D.C. Reagan-National Airport (average of $278). Flying from South Korea to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

Arlington

Woodbridge

Alexandria

Tysons

Silver Spring

Fredericksburg

Linthicum Heights

Gaithersburg

Fairfax

Easton

Towson

Waldorf

Laurel

Falls Church

Rockville

Springfield

National Harbor

Manassas

Dundalk

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from South Korea to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$688	Average$994	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$694	Average$699	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$500+ Cheap flights from South Korea to Reagan-National (DCA)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Korea to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Korea to Reagan-National

Keep the following information in mind while searching for South Korea to Reagan-National flight deals. Data was last updated July 2, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from South Korea to Reagan-National

Cheapest flights from South Korea to Reagan-NationalExplore the most affordable flight options available from South Korea to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from South Korea to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

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

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

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

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

Find hourly flight availability from South Korea to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

Reviews of airlines servicing Reagan-National

Related info for your journey

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

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

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

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

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

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

Traveling to a place near 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 South Korea to Reagan-National

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

Top 2 airlines flying from South Korea to Reagan-National

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from South Korea to Reagan-National
Explore the most affordable flight options available from South Korea to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.