Cheap Flights from Washington (DCA) to Seoul (ICN)

View AU$876 flight on Thu, 23 Oct. 2025Opens in a new window

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

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Cheap Flights from Washington (DCA) to Seoul (ICN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, 11 Sep. - Thu, 18 Sep.
DCA
Washington
ICN
Seoul
AU$1,715 Return, found 2 days ago
AU$1,715
Return
found 2 days ago
Select Air Canada flight, departing Thu, 11 Sep. from Washington to Seoul, returning Thu, 18 Sep., priced at AU$1,715 found 2 days ago
Air Canada
Thu, 11 Sep. - Thu, 18 Sep.
DCA
Washington
ICN
Seoul
AU$1,725 Return, found 2 days ago
AU$1,725
Return
found 2 days ago
Select Air Canada flight, departing Thu, 11 Sep. from Washington to Seoul, returning Thu, 18 Sep., priced at AU$1,725 found 2 days ago
Air Canada
Mon, 8 Sep. - Mon, 15 Sep.
DCA
Washington
ICN
Seoul
AU$1,731 Return, found 5 days ago
AU$1,731
Return
found 5 days ago
Select Air Canada flight, departing Mon, 8 Sep. from Washington to Seoul, returning Mon, 15 Sep., priced at AU$1,731 found 5 days ago
Air Canada
Sat, 6 Sep. - Mon, 15 Sep.
DCA
Washington
ICN
Seoul
AU$1,771 Return, found 3 days ago
AU$1,771
Return
found 3 days ago
Select Air Canada flight, departing Sat, 6 Sep. from Washington to Seoul, returning Mon, 15 Sep., priced at AU$1,771 found 3 days ago
Air Canada
Sun, 21 Sep. - Sun, 28 Sep.
DCA
Washington
ICN
Seoul
AU$1,777 Return, found 6 days ago
AU$1,777
Return
found 6 days ago
Select Air Canada flight, departing Sun, 21 Sep. from Washington to Seoul, returning Sun, 28 Sep., priced at AU$1,777 found 6 days ago
Air Canada
Sat, 6 Sep. - Mon, 15 Sep.
DCA
Washington
ICN
Seoul
AU$1,781 Return, found 3 days ago
AU$1,781
Return
found 3 days ago
Select Air Canada flight, departing Sat, 6 Sep. from Washington to Seoul, returning Mon, 15 Sep., priced at AU$1,781 found 3 days ago
JetBlue Airways
Sun, 21 Sep. - Sun, 28 Sep.
DCA
Washington
ICN
Seoul
AU$1,966 Return, found 6 days ago
AU$1,966
Return
found 6 days ago
Select JetBlue Airways flight, departing Sun, 21 Sep. from Washington to Seoul, returning Sun, 28 Sep., priced at AU$1,966 found 6 days ago
Alaska Airlines
Sun, 21 Sep. - Sun, 28 Sep.
DCA
Washington
ICN
Seoul
AU$1,983 Return, found 6 days ago
AU$1,983
Return
found 6 days ago
Select Alaska Airlines flight, departing Sun, 21 Sep. from Washington to Seoul, returning Sun, 28 Sep., priced at AU$1,983 found 6 days ago
American Airlines
Thu, 11 Sep. - Thu, 18 Sep.
DCA
Washington
ICN
Seoul
AU$2,313 Return, found 2 days ago
AU$2,313
Return
found 2 days ago
Select American Airlines flight, departing Thu, 11 Sep. from Washington to Seoul, returning Thu, 18 Sep., priced at AU$2,313 found 2 days ago
United
Sat, 6 Sep. - Mon, 15 Sep.
DCA
Washington
ICN
Seoul
AU$2,313 Return, found 3 days ago
AU$2,313
Return
found 3 days ago
Select United flight, departing Sat, 6 Sep. from Washington to Seoul, returning Mon, 15 Sep., priced at AU$2,313 found 3 days ago

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

October is typically the cheapest month to fly

From AU$1,335 - AU$2,663 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Seoul route information
Origin airport
Ronald Reagan Washington National
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Delta, Korean Air, United
Return price
AU$1,715
Distance
11130 km

Your quick guide to flights from Washington to Seoul

Pick up great flights from Washington to Seoul

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Washington to Seoul. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Washington to Seoul that take around hours.

Find cheap flights from Washington to Seoul

From the great flight deals with prices currently ranging from AU$1,715 to AU$2,313, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Washington to Seoul around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seoul is normally in September.

Reasons to book your flight from Washington to Seoul with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Washington to Seoul across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seoul right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 AU$1,715. 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.

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