£400 Cheap Flights from Washington (DCA) to Seoul (ICN)

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at £400 for one-way flights and £836 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Air Canada
Air Canada
Air Canada
Cathay Pacific
Finnair
Korean Air
LOT-Polish Airlines
Korean Air
American Airlines

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

October is typically the cheapest month to fly

From £650 - £1,296 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.
Return price
£836
Distance
11130 km

Compare flights from Washington to Seoul easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Seoul. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Incheon Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Ronald Reagan Washington National to Incheon Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Ronald Reagan Washington National (DCA) to Incheon Intl. (ICN)

The easiest way to view the best deals on flights from Washington to Seoul today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Ronald Reagan Washington National to Incheon Intl. start at just £836 and range up to £1,385.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Seoul
  • booking your flight during November, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Seoul flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ronald Reagan Washington National to Incheon Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £836. 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

Washington Airports

Baltimore

*Available to Expedia members.