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Cheap Flights from Washington Ronald Reagan (DCA) to Seoul (SELA)

Compare Washington Ronald Reagan to Seoul flight deals

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

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Flight deals from Washington Ronald Reagan to Seoul

Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan to Seoul? Find the lowest prices on one-way and return tickets right here.
Seoul.£684 per passenger.Departing Wed, 22 Apr, returning Sun, 17 May.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Wed, 22 Apr, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Sun, 17 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £684, select.
Seoul.£690 per passenger.Departing Wed, 15 Apr, returning Wed, 22 Apr.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Wed, 15 Apr, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Wed, 22 Apr, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £690, select.
Seoul.£710 per passenger.Departing Sat, 9 May, returning Sat, 16 May.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Sat, 9 May, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Sat, 16 May, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £710, select.
Seoul.£777 per passenger.Departing Mon, 9 Mar, returning Tue, 24 Mar.Return flight with Frontier Airlines and Xiamen Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Mon, 9 Mar, arriving in Incheon International.Inbound indirect flight with Xiamen Airlines, departs from Incheon International on Tue, 24 Mar, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £777, select.
Seoul.£786 per passenger.Departing Tue, 1 Sep, returning Sat, 12 Sep.Return flight with Alaska Airlines and Jeju Air.Outbound indirect flight with Alaska Airlines, departs from Washington Ronald Reagan on Tue, 1 Sep, arriving in Incheon International.Inbound indirect flight with Jeju Air, departs from Incheon International on Sat, 12 Sep, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £786, select.
Seoul.£844 per passenger.Departing Wed, 29 Apr, returning Wed, 1 Jul.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Wed, 29 Apr, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 1 Jul, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £844, select.
Seoul.£844 per passenger.Departing Wed, 29 Apr, returning Wed, 24 Jun.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Wed, 29 Apr, arriving in Incheon International.Inbound indirect flight with Air Canada, departs from Incheon International on Wed, 24 Jun, arriving in Washington Ronald Reagan.Price includes taxes and charges.From £844, select.
Seoul.£844 per passenger.Departing Thu, 10 Sep, returning Tue, 10 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Washington Ronald Reagan on Thu, 10 Sep, 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 £844, 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 April.
Mar
from £777
Apr
from £690
May
from £710
Jun
from £1,115
Jul
from £925
Aug
from £854
Sep
from £786
Oct
from £873
Nov
from £870
Dec
from £941
Jan
from £968
Feb
Find prices

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

11 miles from central Seoul
Closest
from £979
Search flights

Incheon International

30 miles from central Seoul
Cheapest
from £684
Search flights

Washington D.C. to Seoul: Flight information

The things to know before you go.
Cheapest flight found£684
Cheapest month to flyApril

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 £684. 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 £684.
As of March 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 April.
If you're flying from Washington Ronald Reagan Airport, the cheapest airport near Seoul is Incheon International – which is 29.7 miles away from the centre of Seoul. We've found flights into this airport from £684.
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 Wednesday, 22 April 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 March, the average temperature is usually around 3°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
Currently, Frontier Airlines offers the cheapest flight tickets to Seoul.

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

  • The timezone in Seoul is UTC+9. The city is 13 hours ahead of Washington DC, where Ronald Reagan National Airport is located.

  • For hassle-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to board your DCA to Seoul flight.

  • Travelling during a peak time like a bank holiday? Expect longer lines at security and check-in. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

  • Consider adding a stopover to potentially save on your plane ticket from DCA to Seoul. All you need to do is uncheck 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these airports:

    • O'Hare International Airport (ORD)

    • Logan International Airport (BOS)

    • Pearson International Airport (YYZ)

  • The journey from central Washington DC to DCA takes about 45 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 4 miles in 15 minutes or so, depending on traffic.

  • Looking for a hotel close to DCA? If you've booked an early flight from Ronald Reagan National Airport to Seoul, these stays set you up for a seamless send-off:

  • 76.44% of flights that leave from Ronald Reagan National Airport touch down at their destination on time.

  • The address for DCA is 1 Aviation Circle.

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

  • £312 is the lowest price we've found for a one-way Ronald Reagan National Airport to Seoul flight. A round-trip ticket right now is £684. Depending on when you want to go and the availability, these fares can change.

  • Don't leave everything to the last moment. You're more likely to pick up cheap flights from DCA to Seoul if you book in advance. Airlines often offer some fantastic early bird discounts.

  • The 'Whole month' tool will show you the cheapest tickets from Ronald Reagan National Airport to Seoul throughout the month. It's a great way to find a bargain if your trip dates aren't set in stone.

  • You don't need to check back in every day to see if fares have dropped when you set up a Price Alert. We'll notify you when there's an extra saving on cheap flights from DCA to Seoul.

  • Tailor your trip with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from Ronald Reagan National Airport to Seoul.

Airports in Seoul

Incheon International Airport (ICN)

  • From Incheon International Airport (ICN), central Seoul is roughly 30 miles away.

  • When travelling on public transport, expect a journey time of about 1 hour 45 minutes.

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

  • Begin your adventure by picking up an Incheon International Airport rental car. Grab your wheels from WECAR, Hi Rent A Car or Alamo and explore beyond Seoul's main sights.

  • Lock in the best rate by reserving your vehicle from Incheon International Airport about four weeks ahead of your flight from DCA to Seoul.

Gimpo International Airport (GMP)

  • Central Seoul is around 10 miles from Gimpo International Airport (GMP). Disembark your flight from Ronald Reagan National Airport to Seoul and then look for any airport signs that'll help you reach the centre.

  • If you choose to travel on public transport, the ride to the centre will take you 1 hour 5 minutes or so.

  • You'll find some great places to call home for the night near GMP. Kick back and get cosy after your DCA to Seoul flight at any of these perfectly located options:

  • GOGO Rent a Car, Gogo Rental Car Seoul and Hi Rent A Car make collecting a Gimpo International Airport rental car easy and quick. These reliable suppliers are located in or around the terminal and will have you on your way in a heartbeat.

  • Call dibs on the best options. Booking your ride from GMP one week in advance often means lower prices and a wider selection of vehicles.

Best time to go to Seoul

  • Before scheduling your flights from Ronald Reagan National Airport to Seoul, consider which time of year works best for you. Peak season in Seoul offers a lively atmosphere and plenty of activities, while the off-season brings better hotel deals and fewer crowds.

  • When booking your Ronald Reagan 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).

  • January has average temperatures of between -12ºC (10ºF) and 4ºC (39ºF). Look for a cheap ticket from DCA to Seoul around that time if you like cooler conditions.

More about Seoul

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Seoul right here. Explore these hotels once you've locked in your flight from Ronald Reagan National Airport to Seoul:

  • All great adventures should include a little sightseeing. Bukchon Hanok Village, Gyeongbokgung Palace and N Seoul Tower are must-visits when exploring Seoul.

Explore more of South Korea

  • You've done Seoul, now it's time to explore other parts of South Korea. Travel around 200 miles south-east to Busan to tick off its leading attractions. From Haeundae Beach to Gamcheon Culture Village and Beomeosa Temple, there's plenty to keep you on the go.

  • If you're eager to discover another side of South Korea, head for Daegu, about 150 miles south-east of Seoul. Duryu Park People's Garden, E-World and Apsan Park are key highlights.

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

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.