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Cheap Flights from Seoul (ICN) to Washington D.C. (WASA)

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      Travellers and cabin class, 1 Adult, Economy
      Delta
      Korean Air
      Air Premia

      Compare Incheon International to Washington D.C. flight deals

      Find the cheapest month or even day of the year to fly to Washington D.C.

      Book the best Washington D.C. fare with no extra fees

      Flight deals from Incheon International to Washington D.C.

      Looking for a cheap last-minute deal or the best return flight from Incheon International Airport to Washington D.C.? If you want to travel next month, return fares start from $1,285. Find the lowest prices on one-way and return tickets right here.
      Washington D.C..$994 per passenger.Departing Mon, 22 Feb, returning Mon, 22 Feb.Return flight with United.Outbound indirect flight with United, departs from Incheon International on Mon, 22 Feb, arriving in Washington Dulles.Inbound indirect flight with United, departs from Washington Dulles on Mon, 22 Feb, arriving in Incheon International.Price includes taxes and charges.From $994, select.
      Washington D.C..$995 per passenger.Departing Wed, 11 Nov, returning Wed, 11 Nov.Return flight with United.Outbound indirect flight with United, departs from Incheon International on Wed, 11 Nov, arriving in Washington Dulles.Inbound indirect flight with United, departs from Washington Dulles on Wed, 11 Nov, arriving in Incheon International.Price includes taxes and charges.From $995, select.
      Washington D.C..$995 per passenger.Departing Wed, 28 Apr, returning Wed, 28 Apr.Return flight with United.Outbound indirect flight with United, departs from Incheon International on Wed, 28 Apr, arriving in Washington Dulles.Inbound indirect flight with United, departs from Washington Dulles on Wed, 28 Apr, arriving in Incheon International.Price includes taxes and charges.From $995, select.
      Washington D.C..$1,002 per passenger.Departing Mon, 1 Mar, returning Tue, 2 Mar.Return flight with United.Outbound indirect flight with United, departs from Incheon International on Mon, 1 Mar, arriving in Washington Ronald Reagan.Inbound indirect flight with United, departs from Washington Ronald Reagan on Tue, 2 Mar, arriving in Incheon International.Price includes taxes and charges.From $1,002, select.
      Washington D.C..$1,002 per passenger.Departing Fri, 15 Jan, returning Sat, 16 Jan.Return flight with United.Outbound indirect flight with United, departs from Incheon International on Fri, 15 Jan, arriving in Washington Dulles.Inbound indirect flight with United, departs from Washington Dulles on Sat, 16 Jan, arriving in Incheon International.Price includes taxes and charges.From $1,002, select.
      Washington D.C..$1,166 per passenger.Departing Tue, 29 Sep, returning Wed, 30 Sep.Return flight with United.Outbound indirect flight with United, departs from Incheon International on Tue, 29 Sep, arriving in Washington Dulles.Inbound indirect flight with United, departs from Washington Dulles on Wed, 30 Sep, arriving in Incheon International.Price includes taxes and charges.From $1,166, select.
      Washington D.C..$1,263 per passenger.Departing Wed, 11 Nov, returning Thu, 1 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Wed, 11 Nov, arriving in Washington Ronald Reagan.Inbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Thu, 1 Apr, arriving in Incheon International.Price includes taxes and charges.From $1,263, select.
      Washington D.C..$1,268 per passenger.Departing Tue, 24 Nov, returning Tue, 1 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Tue, 24 Nov, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Tue, 1 Dec, arriving in Incheon International.Price includes taxes and charges.From $1,268, select.
      Washington D.C..$1,269 per passenger.Departing Wed, 13 Jan, returning Wed, 14 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Wed, 13 Jan, arriving in Washington Ronald Reagan.Inbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Wed, 14 Apr, arriving in Incheon International.Price includes taxes and charges.From $1,269, select.
      Washington D.C..$1,276 per passenger.Departing Wed, 13 Jan, returning Wed, 17 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Wed, 13 Jan, arriving in Washington Ronald Reagan.Inbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Wed, 17 Feb, arriving in Incheon International.Price includes taxes and charges.From $1,276, select.
      Washington D.C..$1,276 per passenger.Departing Wed, 2 Dec, returning Wed, 30 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Wed, 2 Dec, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Wed, 30 Dec, arriving in Incheon International.Price includes taxes and charges.From $1,276, select.
      Washington D.C..$1,280 per passenger.Departing Tue, 10 Nov, returning Mon, 10 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Tue, 10 Nov, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Mon, 10 May, arriving in Incheon International.Price includes taxes and charges.From $1,280, select.
      Washington D.C..$1,280 per passenger.Departing Tue, 22 Sep, returning Fri, 30 Oct.Return flight with Air Premia and Frontier Airlines.Outbound indirect flight with Air Premia, departs from Incheon International on Tue, 22 Sep, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Fri, 30 Oct, arriving in Incheon International.Price includes taxes and charges.From $1,280, select.
      Washington D.C..$1,281 per passenger.Departing Tue, 22 Dec, returning Fri, 1 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Tue, 22 Dec, arriving in Washington Ronald Reagan.Inbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Fri, 1 Jan, arriving in Incheon International.Price includes taxes and charges.From $1,281, select.
      Washington D.C..$1,283 per passenger.Departing Fri, 20 Nov, returning Mon, 11 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Fri, 20 Nov, arriving in Washington Ronald Reagan.Inbound indirect flight with Air Canada, departs from Washington Dulles on Mon, 11 Jan, arriving in Incheon International.Price includes taxes and charges.From $1,283, select.
      Washington D.C..$1,285 per passenger.Departing Wed, 21 Oct, returning Tue, 27 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Wed, 21 Oct, arriving in Washington Ronald Reagan.Inbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Tue, 27 Oct, arriving in Incheon International.Price includes taxes and charges.From $1,285, select.

      Find the cheapest month to fly from Incheon International to Washington D.C.

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Washington D.C. flights are currently cheapest in February.
      Sep
      from $1,166
      Oct
      from $1,285
      Nov
      from $995
      Dec
      from $1,276
      Jan
      from $1,002
      Feb
      from $994
      Mar
      from $1,002
      Apr
      from $995
      May
      from $1,362
      Jun
      from $1,321
      Jul
      from $1,300
      Aug
      from $1,321

      Direct flights from Incheon International to Washington D.C.

      Air Premia
      Delta
      Korean Air

      Alternative Incheon International to Washington D.C. routes

      Looking for the cheapest, fastest or easiest route from Incheon International to Washington D.C.? You could fly into the following airports instead.

      Washington Ronald Reagan

      5km from central Washington D.C.
      Closest
      from $1,002
      Search flights

      Washington Dulles

      37km from central Washington D.C.
      Cheapest
      from $994
      Search flights

      Baltimore Washington International

      44km from central Washington D.C.
      from $1,424
      Search flights

      Seoul to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight found$994
      Cheapest month to flyFebruary
      Average flight time13 hrs, 40 mins
      Most popular airlineDelta
      Average flights per week19

      Finding cheap flights from Incheon International to Washington D.C.: Frequently asked questions

      There are 3 airports in Washington D.C.: Washington Ronald Reagan, Washington Dulles and Baltimore Washington International.
      The best price we found for a return flight from Incheon International to Washington D.C. is $994. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      13 hours and 40 minutes is the average flight time from Incheon International to Washington D.C..
      Delta, Korean Air and Air Premia fly direct from Incheon International to Washington D.C..
      As of September 2026, there are 19 flights per week flying from Incheon International to Washington D.C..
      The cheapest month to fly from Incheon International to Washington D.C. is usually February.
      If you're flying from Incheon International Airport, the cheapest airport near Washington D.C. is Washington Dulles – which is 36.6 km away from the centre of Washington D.C.. We've found flights into this airport from $994.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Washington D.C. on Monday, 22 February 2027.
      Yes – the average flight time is 13 hours and 40 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

      In September, the average temperature is usually around 22°C. July is typically the warmest month in Washington D.C., when it usually averages around 32°C. You can expect the least rain in November. The coldest month is January, with temperatures averaging -1°C. The rainiest month is July.
      Currently, United and Air Premia offer the cheapest flight tickets to Washington D.C..

      How to find cheap flights to Washington D.C. (WASA) from Seoul (ICN) in 2024

      Looking for cheap tickets from Incheon International to Washington D.C.? Return tickets start from $994 and one-way flights to Washington D.C. from Incheon International start from $634


      Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

      • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets.
      • Compare flight deals to Washington D.C. from Seoul from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Washington D.C. start from $634 one-way.
      • Flex your dates to find the best ICN-WASA ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Washington D.C. from Incheon International.
      • Set up a Price Alert. You can easily track the fare of your cheap flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
      • Fly without stops. Only interested in direct flights between Incheon International and Washington D.C.? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: Delta
        Korean Air
        Air Premia
      • Find the cheapest Business class flights from Incheon International and Washington D.C.. We scour the internet for the best Business, Premium Economy and First Class flight fares to Washington D.C., too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
      • Include nearby airports in your search. Widen your search for Incheon International to Washington D.C. flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
      • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Incheon International and Washington D.C. whenever you want.

      Combine your flight to Washington D.C. from Incheon International with hotels and car hire

      Once you've secured your cheap flight ticket from Incheon International to Washington D.C., discover the best prices and exclusive rates for hotels in Washington D.C. or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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      Plan the rest of your trip from Seoul to Washington D.C.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.