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$398+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ICN
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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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 February 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Tue 4/76:00 pm
DCA
-
ICN
2 stops32h 50m
Multiple Airlines
Mon 4/206:00 pm
ICN
-
DCA
1 stop36h 41m
Multiple Airlines
Deal found 2/22$985
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 5/26:59 pm
DCA
-
ICN
1 stop36h 11m
Multiple Airlines
Mon 5/116:00 pm
ICN
-
DCA
2 stops35h 59m
Multiple Airlines
Deal found 2/22$1,026
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/119:59 am
DCA
-
ICN
1 stop30h 11m
Multiple Airlines
Wed 3/256:55 pm
ICN
-
DCA
2 stops31h 07m
Multiple Airlines
Deal found 2/19$1,077
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Mon 3/99:59 am
DCA
-
ICN
1 stop41h 21m
Multiple Airlines
Wed 4/296:00 pm
ICN
-
DCA
2 stops35h 59m
Multiple Airlines
Deal found 2/22$1,089
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/108:00 am
DCA
-
ICN
2 stops56h 10m
Multiple Airlines
Wed 3/251:20 pm
ICN
-
DCA
1 stop19h 40m
Multiple Airlines
Deal found 2/19$1,092
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/186:00 pm
DCA
-
ICN
2 stops32h 50m
Multiple Airlines
Wed 5/61:00 pm
ICN
-
DCA
1 stop20h 00m
Multiple Airlines
Deal found 2/19$1,101
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/186:00 pm
DCA
-
ICN
2 stops32h 50m
Multiple Airlines
Fri 5/81:00 pm
ICN
-
DCA
1 stop20h 00m
Multiple Airlines
Deal found 2/19$1,112
This Gurufare deal was found by Cheapflights users on 2/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:59 am
DCA
-
ICN
2 stops42h 46m
Multiple Airlines
Mon 3/911:40 am
ICN
-
DCA
2 stops45h 25m
Multiple Airlines
Deal found 2/20$1,113
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 4/76:00 pm
DCA
-
ICN
2 stops32h 50m
Multiple Airlines
Tue 4/141:00 pm
ICN
-
DCA
1 stop20h 00m
Multiple Airlines
Deal found 2/21$1,115
This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Sun 3/89:59 am
DCA
-
ICN
1 stop30h 11m
Multiple Airlines
Wed 3/256:55 pm
ICN
-
DCA
2 stops31h 07m
Multiple Airlines
Deal found 2/19$1,116
This LionTravel deal was found by Cheapflights users on 2/20. 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 LionTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:41 pm
DCA
-
PUS
2 stops34h 19m
Multiple Airlines
Tue 4/147:10 pm
PUS
-
DCA
2 stops37h 50m
Multiple Airlines
Deal found 2/20$1,165
This Gotogate deal was found by Cheapflights users on 2/19. 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.
Wed 8/266:59 am
DCA
-
GMP
2 stops25h 16m
Multiple Airlines
Wed 9/98:10 am
GMP
-
DCA
2 stops27h 24m
Multiple Airlines
Deal found 2/19$1,167

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 February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$985
(Kiwi.com)

One-way from

$398
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,179
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul (SEL) flights.
Search Deals
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. 6% potential increase in price ($107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 23, 2026.
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

Thu 4/9

6:59 am-5:30 pm

1 stop21h 31m

Incheon Intl

Tue 4/21

5:45 pm-10:19 am

2 stops29h 34m

$1,137

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 4/7

8:40 pm-5:30 pm

1 stop31h 50m

Incheon Intl

Tue 4/21

5:45 pm-10:19 am

2 stops29h 34m

$1,137

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 4/21

6:00 am-5:30 pm

2 stops22h 30m

Incheon Intl

Mon 5/11

5:45 pm-8:53 am

2 stops28h 08m

$1,145

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Tue 4/7

6:41 pm-6:00 pm

2 stops34h 19m

Busan Gimhae

Tue 4/14

7:10 pm-8:00 pm

2 stops37h 50m

$1,165

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 4/11

6:59 am-5:30 pm

1 stop21h 31m

Incheon Intl

Thu 4/23

5:45 pm-10:19 am

2 stops29h 34m

$1,175

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 4/11

8:40 pm-5:30 pm

1 stop31h 50m

Incheon Intl

Sat 4/18

5:45 pm-10:19 am

2 stops29h 34m

$1,212

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 4/1

12:55 pm-4:05 pm

2 stops38h 10m

Incheon Intl

Tue 4/21

5:45 pm-12:01 pm

2 stops31h 16m

$1,314

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Tue 4/7

11:36 am-9:15 pm

2 stops20h 39m

Seoul Gimpo Intl

Wed 4/22

8:00 am-4:45 pm

2 stops21h 45m

$1,328

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Wed 4/8

9:59 am-7:00 pm

2 stops44h 01m

Busan Gimhae

Wed 4/15

10:30 am-5:41 pm

2 stops44h 11m

$1,335

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 4/5

6:59 am-5:15 am

3 stops33h 16m

Incheon Intl

Sun 4/12

9:00 pm-6:03 pm

3 stops34h 03m

$1,337

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 53 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, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Korea (average of $399). Flying from Washington, D.C. Reagan-National Airport to South Korea in January is currently the most expensive (average of $1,777). 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 February 23, 2026.

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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 39% 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 March 30, 2025.

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 February 23, 2026.
Read reviews from past customers who have flown 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.
Air Canada
7.1
Good
10,742 reviews

Food

6.3

Comfort

7.1

Crew

7.8

Boarding

7.3

Entertainment

6.8

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good
Air Canada
7.1
Good
10,742 reviews
Air Canada
7.1
Good
10,742 reviews

Food

6.3

Comfort

7.1

Crew

7.8

Boarding

7.3

Entertainment

6.8

Overall

7.1

Reviews

1 / 20
8.0
Excellent

Dr vandana,Feb 2026

SFO - YYC

It was good, the lounge facilities can be better with some vegetarian options. Overall good

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 $1,328, Air Canada can have you in South Korea from Washington, D.C. Reagan-National Airport in 20h 39m. The distance from Washington, D.C. Reagan-National Airport 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. 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, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Korea (average of $399). Flying from Washington, D.C. Reagan-National Airport to South Korea in January is currently the most expensive (average of $1,777). 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.
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Baltimore to Gimpo Intl flights
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Reagan-National to Islamabad flights

Top airline flying from Reagan-National to South Korea

Discover the top airline 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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,138Average$1,320FlexibilityNo cancel feeOn-time67%

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