South Korea

$401+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ICN
Jan 22 — Jan 291
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Cheap 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 December 23, 2025.

This Mytrip deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:40 amDCA - ICN
2 stops23h 10mMultiple Airlines
Sat 1/179:20 pmICN - DCA
2 stops28h 59mMultiple Airlines
Deal found 12/22$1,675
This oojo deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:35 pmDCA - ICN
2 stops29h 20mCathay Pacific
Wed 1/211:45 pmICN - DCA
2 stops42h 59mCathay Pacific
Deal found 12/23$1,680
This Kiwi.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:00 pmDCA - ICN
2 stops49h 10mMultiple Airlines
Sun 12/281:20 pmICN - DCA
1 stop21h 19mMultiple Airlines
Deal found 12/22$1,693
This Air Canada deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:40 pmDCA - ICN
1 stop31h 45mAir Canada
Wed 1/215:55 pmICN - DCA
2 stops30h 28mAir Canada
Deal found 12/23$1,784
This Kiwi.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:00 pmDCA - ICN
2 stops36h 30mMultiple Airlines
Fri 1/91:20 pmICN - DCA
1 stop20h 40mMultiple Airlines
Deal found 12/22$1,787
This Kiwi.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:00 pmDCA - ICN
2 stops49h 10mMultiple Airlines
Mon 12/291:20 pmICN - DCA
1 stop21h 19mMultiple Airlines
Deal found 12/23$1,790
This Gotogate deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:40 amDCA - ICN
1 stop18h 45mAir Canada
Sat 1/178:10 pmICN - DCA
1 stop16h 25mAir Canada
Deal found 12/22$1,826
This Kiwi.com deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:59 amDCA - ICN
1 stop29h 11mMultiple Airlines
Fri 12/261:20 pmICN - DCA
1 stop21h 19mMultiple Airlines
Deal found 12/20$1,834
This Kiwi.com deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:59 amDCA - ICN
1 stop40h 21mMultiple Airlines
Sun 12/281:20 pmICN - DCA
1 stop21h 19mMultiple Airlines
Deal found 12/20$1,885
This Gotogate deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:10 pmDCA - ICN
2 stops36h 15mAir Canada
Fri 1/95:55 pmICN - DCA
2 stops35h 36mAir Canada
Deal found 12/22$1,919
This Cheapflightsfares deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:30 amDCA - GMP
2 stops25h 35mJapan Airlines
Wed 1/218:00 amGMP - DCA
2 stops23h 08mJapan Airlines
Deal found 12/23$2,415
This Expedia deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:00 pmDCA - GMP
2 stops31h 15mMultiple Airlines
Tue 12/308:00 amGMP - DCA
2 stops24h 40mMultiple Airlines
Deal found 12/22$2,814

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,103
(Kiwi.com)

One-way from

$401
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$2,169
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul (SEL) flights.
From Washington, D.C. Reagan-National to South Korea
One-way flight from Washington, D.C. Reagan-National to South Korea
Highest demand for flights based on searches. 3% potential increase in price ($51 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($65 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to South Korea that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
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

Reagan-National

Fly to

South Korea

Route

Depart

Return

Price

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 1/14

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

Fri 1/30

8:35 pm-5:56 pm

2 stops35h 21m

$1,133

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 1/14

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

Mon 1/26

8:35 pm-5:56 pm

2 stops35h 21m

$1,133

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 1/13

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

Thu 1/29

8:35 pm-5:56 pm

2 stops35h 21m

$1,152

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 1/10

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

Thu 1/29

8:35 pm-5:56 pm

2 stops35h 21m

$1,152

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 1/14

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

Sun 1/25

8:35 pm-5:56 pm

2 stops59h 21m

$1,156

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 1/12

6:56 pm-6:35 pm

2 stops57h 39m

Incheon Intl

Mon 1/26

8:35 pm-5:56 pm

2 stops35h 21m

$1,176

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 4/22

11:54 am-7:05 pm

2 stops42h 11m

Incheon Intl

Tue 4/28

10:10 am-12:55 am

2 stops27h 45m

$1,230

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 1/19

11:10 am-11:00 am

2 stops33h 50m

Seoul Gimpo Intl

Mon 1/26

8:50 pm-10:48 pm

2 stops39h 58m

$1,246

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 2/21

6:59 pm-6:35 pm

2 stops33h 36m

Incheon Intl

Sat 2/28

8:35 pm-5:59 pm

2 stops35h 24m

$1,248

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 2/21

6:59 pm-6:35 pm

2 stops33h 36m

Incheon Intl

Sun 3/8

8:35 pm-5:59 pm

2 stops34h 24m

$1,248

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 54 results
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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, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Korea (average of $537). Flying from Washington, D.C. Reagan-National Airport to South Korea in January is currently the most expensive (average of $1,611). 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?

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 December 23, 2025.

One of the essential ways to save on airfare from Washington, D.C. Reagan-National Airport to South Korea is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 35% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to South Korea. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to South Korea flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Korea. Reviews last updated December 23, 2025.
Read reviews from past customers who have flown American Airlines and Air Canada 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.

Boarding

7.5

Crew

8.0

Comfort

7.2

Food

6.4

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Boarding

7.5

Crew

8.0

Comfort

7.2

Food

6.4

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Boarding

7.5

Crew

8.0

Comfort

7.2

Food

6.4

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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.
  • How long is the flight from Washington, D.C. Reagan-National Airport to South Korea?

    For as low as $2,387, China Eastern can have you in South Korea from Washington, D.C. Reagan-National Airport in 23h 40m. The distance from Washington, D.C. Reagan-National Airport to South Korea is about 7013 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 Washington, D.C. Reagan-National Airport to South Korea one-way?

    One-way options have recently been found by users for as low as $118 on United Airlines. Other airlines that offer cheap prices include American Airlines from $123 and Southwest from $129 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?

    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, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Korea (average of $537). Flying from Washington, D.C. Reagan-National Airport to South Korea in January is currently the most expensive (average of $1,611). 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

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Alternative routes for Reagan-National to South Korea

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

Top 2 airlines flying from Reagan-National to South Korea

Discover the top 2 airlines that operate flights from Reagan-National to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$877Average$877FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$1,169Average$1,320FlexibilityNo cancel feeOn-time67%

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