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Cheap Flights from Washington D.C. (DCA) to Seoul (SELA)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Washington Ronald Reagan to Seoul flight deals

      Find the cheapest month or even day of the year to fly to Seoul

      Book the best Seoul fare with no extra fees

      Flight deals from Washington Ronald Reagan to Seoul

      Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan Airport to Seoul? If you want to travel next month, return fares start from $1,461. Find the lowest prices on one-way and return tickets right here.
      Seoul.$1,461 per passenger.Departing Thu, 1 Oct, returning Sat, 10 Oct.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Washington Ronald Reagan on Thu, 1 Oct, arriving in Incheon International.Inbound indirect flight with American Airlines, departs from Incheon International on Sat, 10 Oct, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,461, select.
      Seoul.$1,483 per passenger.Departing Thu, 17 Sep, returning Wed, 30 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Thu, 17 Sep, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 30 Sep, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,483, select.
      Seoul.$1,483 per passenger.Departing Tue, 27 Jul, returning Tue, 24 Aug.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Tue, 27 Jul, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Tue, 24 Aug, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,483, select.
      Seoul.$1,484 per passenger.Departing Wed, 9 Sep, returning Wed, 7 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Wed, 9 Sep, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 7 Oct, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,484, select.
      Seoul.$1,490 per passenger.Departing Wed, 18 Nov, returning Mon, 30 Nov.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Wed, 18 Nov, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Mon, 30 Nov, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,490, select.
      Seoul.$1,495 per passenger.Departing Wed, 17 Feb, returning Wed, 24 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Wed, 17 Feb, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 24 Feb, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,495, select.
      Seoul.$1,497 per passenger.Departing Tue, 27 Oct, returning Tue, 10 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Tue, 27 Oct, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Tue, 10 Nov, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,497, select.
      Seoul.$1,497 per passenger.Departing Tue, 17 Nov, returning Wed, 24 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Tue, 17 Nov, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 24 Feb, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,497, select.
      Seoul.$1,497 per passenger.Departing Thu, 14 Jan, returning Mon, 18 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Thu, 14 Jan, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Mon, 18 Jan, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,497, select.
      Seoul.$1,548 per passenger.Departing Fri, 22 Jan, returning Wed, 3 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Fri, 22 Jan, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 3 Feb, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,548, select.
      Seoul.$1,549 per passenger.Departing Wed, 7 Apr, returning Sat, 17 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Wed, 7 Apr, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Sat, 17 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,549, select.
      Seoul.$1,564 per passenger.Departing Thu, 24 Sep, returning Fri, 13 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Thu, 24 Sep, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Fri, 13 Nov, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,564, select.
      Seoul.$1,576 per passenger.Departing Thu, 5 Nov, returning Tue, 1 Dec.Return flight with Frontier Airlines and T'way Air.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Thu, 5 Nov, arriving in Incheon International.Inbound indirect flight with T'way Air, departs from Incheon International on Tue, 1 Dec, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,576, select.
      Seoul.$1,581 per passenger.Departing Wed, 21 Apr, returning Wed, 12 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Wed, 21 Apr, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 12 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,581, select.
      Seoul.$1,602 per passenger.Departing Mon, 1 Mar, returning Wed, 10 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Mon, 1 Mar, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 10 Mar, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,602, select.
      Seoul.$1,603 per passenger.Departing Tue, 4 May, returning Tue, 11 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Tue, 4 May, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Tue, 11 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $1,603, select.

      Find the cheapest month to fly from Washington Ronald Reagan to Seoul

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Ronald Reagan to Seoul flights are currently cheapest in October.
      Sep
      from $1,483
      Oct
      from $1,461
      Nov
      from $1,490
      Dec
      from $1,610
      Jan
      from $1,497
      Feb
      from $1,495
      Mar
      from $1,602
      Apr
      from $1,549
      May
      from $1,603
      Jun
      from $1,976
      Jul
      from $1,650
      Aug
      from $2,541

      Alternative Washington Ronald Reagan to Seoul routes

      Looking for the cheapest, fastest or easiest route from Washington Ronald Reagan to Seoul? You could fly into the following airports instead.

      Gimpo International

      17km from central Seoul
      Closest
      from $2,097
      Search flights

      Incheon International

      48km from central Seoul
      Cheapest
      from $1,461
      Search flights

      Washington D.C. to Seoul: Flight information

      The things to know before you go.
      Cheapest flight found$1,461
      Cheapest month to flyOctober

      Finding cheap flights from Washington Ronald Reagan to Seoul: Frequently asked questions

      There are 2 airports in Seoul: Gimpo International and Incheon International.
      The best price we found for a return flight from Washington Ronald Reagan to Seoul is $1,461. 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.
      Currently, there are no airlines that fly direct from Washington Ronald Reagan to Seoul. But we found flights with one or more stops from $1,461.
      As of September 2026, there are no flights flying from Washington Ronald Reagan to Seoul.
      The cheapest month to fly from Washington Ronald Reagan to Seoul is usually October.
      If you're flying from Washington Ronald Reagan Airport, the cheapest airport near Seoul is Incheon International – which is 47.9 km away from the centre of Seoul. We've found flights into this airport from $1,461.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to Seoul on Thursday, 1 October 2026.
      No airlines currently offer direct flights between Washington Ronald Reagan Airport and Seoul. Most routes have one or more stops.
      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 Seoul 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 Seoul is around 40 days in advance, so don’t leave your flight to the last minute.

      In September, the average temperature is usually around 23°C. July is typically the warmest month in Seoul, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -7°C. The rainiest month is August.
      Currently, American Airlines offers the cheapest flight tickets to Seoul.

      Travelling from Ronald Reagan Washington National Airport (DCA) to Seoul: what you need to know

      • The timezone in Seoul is UTC+9. The city is 14 hours ahead of Washington DC, where Ronald Reagan Washington National Airport is located.

      • Give yourself plenty of time to catch your DCA to Seoul flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

      • Be prepared for longer lines during popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures will give you plenty of time for security and boarding.

      • We make it a breeze to book plane tickets from DCA to Seoul with a stopover. To see all your options, uncheck 'Direct flights only.' Next, pick a flight with a stop long enough to see the sights of your chosen city. Top stopovers include:

        • Chicago O'Hare International Airport (ORD)

        • Boston Logan International Airport (BOS)

        • Toronto Pearson International Airport (YYZ)

      • Travelling from central Washington DC to DCA takes about 25 minutes by public transport. If you drive, ride-share or get a taxi, you'll cover the 6 kilometres in 10 minutes or so, depending on traffic.

      • Looking for a hotel near DCA? If you're boarding an early flight from Ronald Reagan Washington National Airport to Seoul, these stays will get you from your pillow to the plane in no time:

      • When it comes to the on-time performance of Ronald Reagan Washington National Airport, data shows 71% of flights complete their journey on time.

      • You'll find DCA at 1 Aviation Circle.

      How to find the cheapest flights from Ronald Reagan Washington National Airport (DCA) to Seoul

      • $698 is currently the best price for a one-way Ronald Reagan Washington National Airport to Seoul flight. A return plane ticket starts from $1,461. These fares can change depending on availability and demand.

      • Don't wait until the last minute. You're more likely to pick up cheap flights from DCA to Seoul if you book early. Airlines often have some amazing early bird rates.

      • The 'Whole month' search tool will show you the cheapest tickets from Ronald Reagan Washington National Airport to Seoul across the entire month. It's a great way to find a bargain if your plans are flexible.

      • There's no need to keep looking every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment there's an even better deal on cheap flights from DCA to Seoul.

      • Snag an affordable flight from Ronald Reagan Washington National Airport to Seoul with the help of our filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

      Airports in Seoul

      Seoul Incheon International Airport (ICN)

      • Seoul Incheon International Airport (ICN) is around 48 kilometres from central Seoul. If you're grabbing a taxi or a ride-share, the drive takes about 1 hour 5 minutes.

      • It takes around 50 minutes if you're travelling on public transport.

      • The last thing you want is a long journey to your hotel if you're landing late on a flight from Ronald Reagan Washington National Airport to Seoul. Check in to one of these accommodation options near ICN instead:

      • Booking your ride from Seoul Incheon International Airport about four weeks in advance of your flight from DCA to Seoul can help you get the best possible rate.

      Seoul Gimpo International Airport (GMP)

      • Once your flight from Ronald Reagan Washington National Airport to Seoul has arrived, you can make your way to the city centre in around 30 minutes by car. Central Seoul is roughly 16 kilometres from Seoul Gimpo International Airport (GMP).

      • If you travel by public transport, the ride to the centre takes 35 minutes or so.

      • There are some comfortable places to rest your head close to GMP. Unwind and get cosy after your DCA to Seoul flight at one of these perfectly located options:

      • Get the pick of the lot. Securing your ride from GMP one week in advance often means better prices and a bigger choice of vehicles.

      Best time to go to Seoul

      • December is the quietest month for flights from Ronald Reagan Washington National Airport to Seoul, while January is the most popular. Choose the ideal time to go to Seoul based on whether you prefer a lively atmosphere or a more laid-back vibe.

      • Before booking a Ronald Reagan Washington National Airport to Seoul plane ticket, think about the kind of weather you prefer. August is the warmest month in Seoul, with temperatures ranging from 19ºC (66ºF) to 32ºC (90ºF).

      • Search for cheap tickets from DCA to Seoul in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 4ºC (39ºF) on average.

      More about Seoul

      • Start your Seoul trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Ronald Reagan Washington National Airport to Seoul, browse our range of hotels including:

      • There are so many things to discover in this city it can be hard to work out where to start. Bukchon Hanok Village, Gyeongbokgung Palace and N Seoul Tower are top attractions which should be on every Seoul itinerary.

      Explore more of South Korea

      • You've visited Seoul, now it's time to explore other corners of South Korea. Journey around 322 kilometres southeast to Busan to check off its top sights. From Gamcheon Culture Village to Haeundae Beach and Beautiful View Busan - Diamond Bridge, you'll have a full itinerary ahead.

      • If you want to check out another major destination in South Korea, head for Daegu, about 241 kilometres southeast of Seoul. Alive Aquarium Daegu, Nature Park and Seonsa Historical Park are key reasons to visit.

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