S$1,263 Cheap Flights from Washington to Seoul

View S$1,263 flight on Wed, 4 Feb, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Incheon Intl. Airport (ICN)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Washington to Seoul (DCA-ICN)

Prices were available within the past 7 days and start at S$1,263 for one-way flights and S$2,039 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,039 Return, found 4 days ago
S$2,039
Return
found 4 days ago
Select Delta flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,039 found 4 days ago
Air Canada
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,040 Return, found 4 days ago
S$2,040
Return
found 4 days ago
Select Air Canada flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,040 found 4 days ago
Alaska Airlines
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,040 Return, found 4 days ago
S$2,040
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,040 found 4 days ago
United
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,154 Return, found 4 days ago
S$2,154
Return
found 4 days ago
Select United flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,154 found 4 days ago
Delta
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,154 Return, found 4 days ago
S$2,154
Return
found 4 days ago
Select Delta flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,154 found 4 days ago
American Airlines
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,154 Return, found 4 days ago
S$2,154
Return
found 4 days ago
Select American Airlines flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,154 found 4 days ago
Delta
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,157 Return, found 4 days ago
S$2,157
Return
found 4 days ago
Select Delta flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,157 found 4 days ago
Korean Air
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,159 Return, found 4 days ago
S$2,159
Return
found 4 days ago
Select Korean Air flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,159 found 4 days ago
Delta
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,177 Return, found 4 days ago
S$2,177
Return
found 4 days ago
Select Delta flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,177 found 4 days ago
Alaska Airlines
Wed, 4 Feb - Wed, 11 Feb
DCA
Washington
ICN
Seoul
S$2,178 Return, found 4 days ago
S$2,178
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 4 Feb from Washington to Seoul, returning Wed, 11 Feb, priced at S$2,178 found 4 days ago

Find the cheapest month to fly from Washington (DCA) to Seoul (ICN)

January is typically the cheapest month to fly

From S$1,134 - S$2,685 per traveller.
Washington to Seoul route information
Origin airport
Ronald Reagan Washington National
Destination airport
Incheon Intl.
Return price
S$2,038
Distance
11130 km

Flights from Washington to Incheon

There are several airlines that operate frequent flights from Washington D.C. (DCA) to Seoul (ICN) including

The earliest flight leaves Ronald Reagan Washington National Airport at 05:30 and arrives at Incheon Intl. Airport at 04:00. The last flight of the day departs Washington D.C. at 20:41 and arrives at Seoul at 22:35.

The flight distance from Washington D.C. to Seoul is about 11967 km, the shortest flight is 16 hours 03 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Incheon flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Washington Incheon flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Washington to Incheon trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Incheon flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Washington to Incheon with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from DCA to Incheon Intl. Airport (ICN)?
The lowest price advertised for a round-trip journey from National Airport to Incheon Intl. Airport (ICN) is S$2,039. But you better get a move on. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ronald Reagan Washington National Airport (DCA) to ICN?
This varies between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel online.
How do I find cheap flights from DCA to ICN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for National Airport to Seoul–Incheon Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Ronald Reagan Washington National Airport (DCA) to Incheon Airport?
Arlington to South Korea is around 11,200 kilometres, so get ready to spend a while in the air. Make sure you pack all the essentials, from your eye mask to your earphones. Take a couple of snacks to munch on throughout your journey too.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Seoul–Incheon Intl. Airport?
If you want to travel straight from DCA to ICN, you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route.
Are DCA to Seoul–Incheon Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from DCA to Incheon Airport can be hit-or-miss. You may be able to score a bargain, but you could also miss out entirely! If you'd rather start planning your trip early on, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines publish their prices that far in advance. Our suggestion? Check back often as updates are made frequently.

Explore a world of travel with Expedia

*Available to Expedia members.