South Korea

$478+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — ICN
Apr 21 — Apr 281
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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 April 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$950
(Mytrip)

One-way from

$478
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,233
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. 19% potential increase in price ($329 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 16, 2025.

This Mytrip deal was found by Cheapflights users on 4/16. 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.
Thu 5/296:59 amDCA - ICN
2 stops22h 46mMultiple Airlines
Mon 6/28:45 pmICN - DCA
2 stops26h 34mMultiple Airlines
Deal found 4/16$950
This oojo deal was found by Cheapflights users on 4/15. 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.
Mon 8/257:30 pmDCA - ICN
2 stops28h 10mCathay Pacific
Thu 9/410:10 amICN - DCA
2 stops27h 46mCathay Pacific
Deal found 4/15$1,062
This Gotogate deal was found by Cheapflights users on 4/15. 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.
Thu 11/66:59 amDCA - ICN
1 stop21h 26mAir Canada
Wed 11/266:50 pmICN - DCA
2 stops28h 07mAir Canada
Deal found 4/15$1,405
This Gotogate deal was found by Cheapflights users on 4/15. 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.
Tue 9/26:59 amDCA - GMP
2 stops25h 51mJapan Airlines
Thu 9/187:55 amGMP - DCA
2 stops18h 58mJapan Airlines
Deal found 4/15$1,408
This Japan Airlines deal was found by Cheapflights users on 4/15. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:09 pmDCA - GMP
2 stops23h 36mMultiple Airlines
Thu 9/117:55 amGMP - DCA
2 stops18h 58mMultiple Airlines
Deal found 4/15$1,449
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:54 amDCA - ICN
1 stop19h 36mAmerican Airlines
Thu 9/185:25 pmICN - DCA
2 stops26h 59mAmerican Airlines
Deal found 4/15$1,456
This Orbitz deal was found by Cheapflights users on 4/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/68:59 amDCA - PUS
2 stops45h 01mMultiple Airlines
Wed 5/1410:20 amPUS - DCA
2 stops47h 39mMultiple Airlines
Deal found 4/16$1,464
This Ovago deal was found by Cheapflights users on 4/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/155:49 pmDCA - ICN
2 stops28h 31mFinnair
Mon 5/269:50 pmICN - DCA
2 stops37h 46mFinnair
Deal found 4/16$1,478
This oojo deal was found by Cheapflights users on 4/15. 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.
Fri 4/256:35 pmDCA - PUS
2 stops35h 25mChina Airlines
Thu 5/112:15 pmPUS - DCA
2 stops45h 43mChina Airlines
Deal found 4/15$1,727
This Gurufare deal was found by Cheapflights users on 4/15. 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.
Sat 4/268:16 amDCA - PUS
2 stops46h 34mPhilippine Airlines
Sat 5/39:00 pmPUS - DCA
2 stops36h 53mPhilippine Airlines
Deal found 4/15$2,121
This KAYAK deal was found by Cheapflights users on 4/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/69:41 amDCA - PUS
2 stops20h 54mKorean Air
Tue 5/2010:40 amPUS - DCA
2 stops24h 01mKorean Air
Deal found 4/16$2,264
This Mytrip deal was found by Cheapflights users on 4/16. 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.
Fri 5/96:00 amDCA - CJJ
3 stops26h 55mMultiple Airlines
Sat 5/179:30 amCJJ - DCA
2 stops25h 58mMultiple Airlines
Deal found 4/16$2,268

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 April 16, 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

Thu 5/29

6:59 am-6:45 pm

2 stops22h 46m

Incheon Intl

Mon 6/2

8:45 pm-10:19 am

2 stops26h 34m

$950

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Mon 8/25

7:30 pm-12:40 pm

2 stops28h 10m

Incheon Intl

Thu 9/4

10:10 am-12:56 am

2 stops27h 46m

$1,062

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 9/7

11:00 am-5:30 pm

1 stop17h 30m

Incheon Intl

Fri 9/12

6:00 pm-10:21 am

1 stop29h 21m

$1,410

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 9/2

6:54 am-3:30 pm

1 stop19h 36m

Incheon Intl

Thu 9/18

5:25 pm-7:24 am

2 stops26h 59m

$1,456

Washington, D.C.Busan

DCA - PUS

DCAPUS

Washington, D.C. Reagan-National

Tue 5/6

8:59 am-7:00 pm

2 stops45h 01m

Busan Gimhae

Wed 5/14

10:20 am-8:59 pm

2 stops47h 39m

$1,464

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 5/15

5:49 pm-11:20 am

2 stops28h 31m

Incheon Intl

Mon 5/26

9:50 pm-10:36 pm

2 stops37h 46m

$1,478

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sat 5/17

1:53 pm-6:45 pm

2 stops39h 52m

Incheon Intl

Mon 6/2

8:45 pm-6:59 pm

2 stops35h 14m

$1,574

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Mon 4/28

9:40 am-11:05 am

2 stops36h 25m

Seoul Gimpo Intl

Thu 5/8

12:05 pm-10:36 pm

2 stops23h 31m

$1,587

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Wed 5/14

6:09 am-6:25 am

2 stops35h 16m

Incheon Intl

Sun 6/1

11:20 am-10:58 pm

2 stops48h 38m

$1,598

Washington, D.C.Seoul

DCA - GMP

DCAGMP

Washington, D.C. Reagan-National

Sun 4/20

6:35 am-9:50 pm

2 stops26h 15m

Seoul Gimpo Intl

Sun 4/27

7:55 am-10:29 pm

2 stops27h 34m

$1,655

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 32 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Korea (average of $1,001). Flying from Washington, D.C. Reagan-National Airport to South Korea in June is currently the most expensive (average of $1,650). 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 April 16, 2025.

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.

Rainfall in South Korea by month

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

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

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 April 16, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and Japan Airlines from Washington, D.C. to South Korea to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
8.0
Very good

Entertainment

8.0

Overall

8.4

Crew

8.6

Comfort

8.3

Boarding

8.4

Food

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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?

    One-way options have recently been found by users for as low as $565 on Cathay Pacific. Other airlines that offer cheap prices include China Airlines from $654 and Air Canada from $732 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Korea (average of $1,001). Flying from Washington, D.C. Reagan-National Airport to South Korea in June is currently the most expensive (average of $1,650). 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 4 airlines flying from Reagan-National to South Korea

Discover the top 4 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 April 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$867Average$1,278FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$877Average$1,329FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,206Average$2,095FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,527Average$1,938FlexibilityNo cancel feeOn-time81%

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