Cheap Flights from Washington D.C. to Seoul

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Compare Washington Ronald Reagan to Incheon International flight deals

Find the cheapest month or even day of the year to fly to Incheon International

Book the best Incheon International fare with no extra fees

Flight deals from Washington Ronald Reagan to Incheon International

Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan to Incheon International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Ronald Reagan to Incheon International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Ronald Reagan to Incheon International flights are currently cheapest in April.

Washington Ronald Reagan to Incheon International: Alternative routes

Compare routes from Washington Ronald Reagan to Seoul below. You may find an airport to fly into that's cheaper, faster, or easier than Incheon International.

Washington D.C. to Seoul: Flight information

The things to know before you go.
Cheapest flight found$1,874
Cheapest month to flyApril

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

The best price we found for a return flight from Washington Ronald Reagan to Incheon International is $1,874. 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 Incheon International. But we found flights with one or more stops from $1,874.
As of March 2025, there are no flights flying from Washington Ronald Reagan to Incheon International.
The cheapest month to fly from Washington Ronald Reagan to Incheon International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to Incheon International Airport on Monday, 7 April 2025.
No airlines currently offer direct flights between Washington Ronald Reagan Airport and Incheon International Airport. 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 Incheon International 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Incheon International.

Flying from Ronald Reagan National Airport (DCA) to Incheon International Airport (ICN): what you need to know

  • You'll likely experience longer queues during popular months like July and other peak periods. Arriving up to fours hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • If you prefer a stopover for your flight from Ronald Reagan National Airport to Incheon International Airport, simply uncheck 'Direct flights only' and explore your options. These are the top stopovers between DCA and ICN:

    • Logan International Airport

    • Pearson International Airport

    • O'Hare International Airport

  • To find out whether you need a visa to enter South Korea, check with your carrier and the local embassy or consulate. They'll have the most current information, including additional travel documents you may need after booking your cheap ticket from DCA to ICN.

How to find the cheapest flights from Ronald Reagan National Airport (DCA) to Incheon International Airport (ICN)

  • The best price we've found for a one-way ticket from Ronald Reagan National Airport to Incheon International Airport is $824. The cheapest price for a return flight is $1,874. Remember that fares could change due to availability when booking.

  • To find cheap flight tickets from DCA to ICN, book as early as you can. Airlines generally offer lower prices when flights are first released.

  • The 'Whole month' search tool shows you the cheapest tickets from Ronald Reagan National Airport to Incheon International Airport across the month. It's a good way to snap up a bargain if your trip dates aren't set in stone.

  • Snapping up a cheap ticket from DCA to ICN couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Use filters to find the perfect journey for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Ronald Reagan National Airport to Incheon International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Ronald Reagan National Airport (DCA)

  • The journey from central Washington DC to Ronald Reagan National Airport takes approximately 43 minutes on public transport. If you drive, ride-share or take a cab, you'll cover the 8 kilometres in 16 minutes or so, depending on traffic conditions.

  • After a relaxed start to your break? Stay near DCA. Whether you're catching an early flight from Ronald Reagan National Airport to Incheon International Airport or just don't like being rushed, these stays are just the thing:

Arriving at Incheon International Airport (ICN)

Getting from Incheon International Airport (ICN) to central Seoul

  • Incheon International Airport to central Seoul is roughly 48 kilometres. If you're getting a cab or renting a car, plan in advance to make your trip as smooth as possible. Journey times vary depending on the time of day and traffic conditions.

  • If you're using public transport, expect a journey of around 1 hour and 44 minutes.

When to fly to Incheon International Airport (ICN)

  • The quietest month for a flight from Ronald Reagan National Airport to Incheon International Airport is April, while July is the most popular. Pick the ideal time to visit Seoul based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Seoul is August, with the temperature ranging between 19ºC and 32ºC. Book your flights from Ronald Reagan National Airport to Incheon International Airport in this month if this is the kind of weather you like.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from DCA to ICN in January. Average temperatures are between -12ºC and 4ºC then.

More about Seoul

  • As soon as you've locked in your flights from DCA to ICN, you'll need to find a hotel in Seoul. Make one of these options your base for exploring this city:

  • Gyeongbokgung Palace and Bukchon Hanok Village are just two of the leading attractions to put on your Seoul to-do list. Keep the momentum going by heading to N Seoul Tower.

  • There's more than one way to get to Seoul. Gimpo International Airport (GMP) is another choice. Check out your flight options with this international airport.

Complete your Seoul trip with hotels and a car rental

  • After you've secured your cheap ticket to Incheon International Airport, browse our low prices and exclusive rates for hotels. You can also compare a range of car rental companies in one go to find the best car rental price for your Seoul holiday.

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