$493 Find Cheap Flights from Reagan Washington National Airport to South Korea - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Reagan-National to South Korea departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Reagan-National to South Korea

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Seoul
Incheon2 stops$1,094
Jeju City
Jeju City3 stops$1,289
Busan
Busan2 stops$1,456
Seoul
Incheon2 stops$1,094
Jeju City
Jeju City3 stops$1,289
Busan
Busan2 stops$1,456

Book Cheap Reagan-National to South Korea Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Reagan-National to South Korea that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Reagan-National to South Korea

Mon, Sep 14 - Fri, Oct 16
Multiple Airlines Logo
7:00 am - 9:40 pm
DCA
-
ICN
25h 40m
2 stops
Multiple Airlines Logo
1:00 pm - 8:00 pm
ICN
-
DCA
20h 00m
1 stop
$1,094Multiple Airlines
Sat, Sep 12 - Wed, Oct 21
Multiple Airlines Logo
6:00 pm - 9:40 pm
DCA
-
ICN
38h 40m
2 stops
Multiple Airlines Logo
1:00 pm - 8:00 pm
ICN
-
DCA
20h 00m
1 stop
$1,095Multiple Airlines
Sun, Sep 13 - Wed, Oct 21
Multiple Airlines Logo
7:00 am - 9:40 pm
DCA
-
ICN
25h 40m
2 stops
Multiple Airlines Logo
1:00 pm - 8:00 pm
ICN
-
DCA
20h 00m
1 stop
$1,101Multiple Airlines
Fri, Sep 4 - Thu, Sep 10
Multiple Airlines Logo
6:00 pm - 8:10 pm
DCA
-
ICN
37h 10m
2 stops
Multiple Airlines Logo
1:00 pm - 8:00 pm
ICN
-
DCA
20h 00m
1 stop
$1,103Multiple Airlines
Mon, Nov 9 - Mon, Nov 16
China Eastern Logo
11:00 am - 7:50 pm
DCA
-
GMP
42h 50m
2 stops
China Eastern Logo
8:50 pm - 6:05 pm
GMP
-
DCA
35h 15m
2 stops
$1,350China Eastern
Tue, Aug 25 - Thu, Sep 3
Japan Airlines Logo
11:35 am - 9:15 pm
DCA
-
GMP
20h 40m
2 stops
Japan Airlines Logo
8:00 am - 4:29 pm
GMP
-
DCA
21h 29m
2 stops
$1,452Japan Airlines
Sun, Aug 23 - Wed, Sep 2
Japan Airlines Logo
11:35 am - 9:15 pm
DCA
-
GMP
20h 40m
2 stops
Japan Airlines Logo
8:00 am - 4:29 pm
GMP
-
DCA
21h 29m
2 stops
$1,500Japan Airlines
Thu, Sep 3 - Mon, Sep 7
Korean Air Logo
8:00 am - 7:55 pm
DCA
-
TAE
22h 55m
2 stops
Korean Air Logo
7:55 am - 9:45 pm
TAE
-
DCA
26h 50m
2 stops
$1,581Korean Air
Thu, Sep 3 - Mon, Sep 7
Korean Air Logo
8:00 am - 7:55 pm
DCA
-
TAE
22h 55m
2 stops
Korean Air Logo
7:55 am - 9:45 pm
TAE
-
DCA
26h 50m
2 stops
$1,582Korean Air
Wed, Sep 2 - Sun, Sep 20
Asiana Airlines Logo
9:30 am - 7:55 pm
DCA
-
TAE
45h 25m
2 stops
Asiana Airlines Logo
7:55 am - 5:59 pm
TAE
-
DCA
47h 04m
2 stops
$1,962Asiana Airlines
Booking Insights

KAYAK's insights & trends for Reagan-National to South Korea flights

Get data-powered insights and trends into flights from Reagan-National to South Korea to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. Reagan-National Airport to South Korea, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. Reagan-National Airport to South Korea is April, when tickets cost $247 (return) on average. On the other hand, the most expensive months are January and May, when the average cost of round-trip tickets is $1,777 and $1,776 respectively.

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Good to know

Low seasonJanuary
Cheapest flight$493
Most popular time to fly with an average 14% increase in price.
Flight from Reagan Washington National Airport to Seoul Incheon Airport

FAQs - booking South Korea flights

  • How does KAYAK find such low prices on flights from Reagan Washington National Airport to South Korea?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Reagan Washington National Airport to South Korea.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Reagan Washington National Airport to South Korea?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Reagan Washington National Airport to South Korea is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Reagan Washington National Airport to South Korea?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Reagan Washington National Airport to South Korea with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Reagan Washington National Airport to South Korea?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Reagan Washington National Airport to South Korea up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Reagan-National to South Korea

 
Need help choosing which airline to fly with from Reagan-National to South Korea? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
Air CanadaOverall score based on 11336 reviews
7.1Comfort
6.8Entertainment
7.3Boarding
7.8Crew
6.3Food
Airline reviews

I checked a bag and there was only one agent to assist all customers with any issues.

8.0 ExcellentAnonymous, Mar 2026
DCA - YUL
Read more Air Canada reviews

I checked a bag and there was only one agent to assist all customers with any issues.

Super experience. Earlier than schedule departure and arrival. Baggage handling was very good

Check in agent was very helpful and polite. He helped me board the earlier flight back home instead of waiting 2 hours at the airport for the next flight

Our flight was canceled at the last minute. Someone on the flight said the exact same thing happened to her the day before. I will say they helped us book a flight on another airline so that we could still make our vacation with little delay.

The flight was delayed at the last moment quoting an absurd weather reason. This delay led to an issue with my connecting flight. I was made to run (literary) from this flight to the next one ( as they preponed departure. I was still in my DCA to YYZ flight when the boarding started for the next connecting flight. After my sprint to get the connecting flight, found that no place for my carry on. Had to sit for 3 hours with my back-pack on my lap , it was the most uncomfortable and inconvenient journey with little to no empathy shown by cabin crew in both flights. Another poor show from Air Canada!! Cant help because of lack of options !!

Made me check my carry on despite there being dozens of empty bins when I boarded which significantly inconvenienced me.

The people are great! The trip to Japan is simply never ending!!! Not the problem of the airlines, though.

The walk from landing in Toronto to the flight to Winnipeg took us nearly 45 minutes. There should have been some type of transport available.

When I reached Toronto I need a wheelchair and there no wheelchair I walk for a long period of time without any and my back was hurting

Flight was fine, layover was too long. Ten hours! They should have put us on a star alliance partner flight.

Everything you need to know for your flight from Reagan-National to South Korea

Information on your arrival and departure airports

Reagan Washington National Airport (DCA)