893 € Cheap Flights from Washington D.C. to Incheon International

Compare Washington D.C. 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 D.C. to Incheon International

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Incheon International Airport? If you want to travel next month, return fares start from 1.097 €. Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from Washington D.C. to Incheon International

Washington D.C. to Incheon International: Alternative routes

Compare routes from Washington D.C. 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 found893 €
Cheapest month to flySeptember
Average flight time15 hrs, 33 mins
Most popular airlineDelta
Average flights per week19

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

The best price we found for a return flight from Washington D.C. to Incheon International is 893 €. 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.
15 hours and 33 minutes is the average flight time from Washington D.C. to Incheon International.
Delta, Korean Air and Air Premia fly direct from Washington D.C. to Incheon International.
As of May 2026, there are 19 flights per week flying from Washington D.C. to Incheon International.
The cheapest month to fly from Washington D.C. to Incheon International is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Incheon International Airport on Tuesday, 1 September 2026.
Yes – the average flight time is 15 hours and 33 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 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.

Flying from Washington DC to Seoul Incheon International Airport (ICN): What you need to know

  • Washington Dulles International Airport (IAD) is Washington DC's main airport. Explore your options for booking a flight from Washington DC to Seoul Incheon International Airport (ICN) taking off from here.

  • Seoul is 14 hours ahead of Washington DC. Seoul Incheon International Airport is located in Seoul, which follows the UTC+9 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Be at the airport with enough time to catch your flight from Washington DC to ICN.

  • April is a busy month for travelling. If you're heading away then or during a major holiday like Fourth of July, be there even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

  • We make it a piece of cake to book cheap flights from Washington DC to ICN that include a stopover. To explore all the options departing from Ronald Reagan Washington National Airport (DCA), uncheck 'Direct flights only.' Then, select a flight with a stop long enough to tour the city of your choice. Top stopovers between DCA and ICN include:

    • Chicago O'Hare International Airport (ORD)

    • Boston Logan International Airport (BOS)

    • Toronto Pearson International Airport (YYZ)

  • DCA is about 6 kilometres from central Washington DC. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 10 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the trip time to be around 25 minutes.

  • Catching an early flight from Washington DC to Seoul Incheon International Airport? Avoid the stress of rushing to the terminal (and get some bonus sleep) by staying at one of these stays near Ronald Reagan Washington National Airport:

  • Of all flights departing from Ronald Reagan Washington National Airport, 76% land on schedule at their destination.

  • You'll find DCA at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • You can book a direct Washington DC to Seoul Incheon International Airport (ICN) plane ticket with departures from Washington Dulles International Airport (IAD). Work out whether leaving from IAD works best for your plans.

  • Board your direct flight from Washington DC to ICN with Korean Air. This is one of the top airlines that operates this route out of IAD.

  • Korean Air attracts the most bookings on the IAD to ICN route.

  • Korean Air is the most punctual carrier operating flights between Washington Dulles International Airport and Seoul Incheon International Airport.

  • Break up your flight from Washington DC to Seoul Incheon International Airport with a stop so you can stretch your legs or cross another place off your list. Popular stopovers between Washington Dulles International Airport and ICN include:

    • Atlanta Hartsfield-Jackson International Airport (ATL)

    • Beijing Capital International Airport (PEK)

    • Las Vegas Harry Reid International Airport (LAS)

  • You can get to IAD from the centre of Washington DC in approximately 45 minutes by car (depending on traffic conditions). The ride on public transport will take roughly 1 hour 10 minutes to travel the 40 kilometres or so.

  • Want to treat yourself to an extra night away before boarding your Washington DC to ICN flight? Kick back in a hotel near Washington Dulles International Airport before your trip officially starts. Here's where you can stay:

  • 74% of flights taking off from Washington Dulles International Airport arrive within the expected time frame.

  • You'll find IAD at 1 Saarinen Circle.

Baltimore Washington International Airport (BWI)

  • You can reserve a plane ticket from Washington DC to Seoul Incheon International Airport (ICN) with a stop or two leaving from Baltimore Washington International Airport (BWI). These are some of the most popular stopovers between BWI and ICN:

    • Detroit Metropolitan Wayne County Airport (DTW)

    • Las Vegas Harry Reid International Airport (LAS)

    • Minneapolis-Saint Paul International Airport (MSP)

  • BWI is roughly 48 kilometres from central Washington DC. Driving from the city centre to the terminal takes about 40 minutes. If you're planning to take public transport, expect a journey of around 50 minutes.

  • Make catching an early Washington DC to Seoul Incheon International Airport flight one of the easiest parts of your trip. Book a room at one of these hotels close to Baltimore Washington International Airport and head to your check-in counter with plenty of time to spare:

  • The on-time performance rating of BWI is 77%. In simpler terms, that's how often flights from this airport arrive within the expected time frame.

About Seoul Incheon International Airport (ICN)

Getting from Seoul Incheon International Airport (ICN) to central Seoul

  • Central Seoul is around 48 kilometres from Seoul Incheon International Airport and takes about 1 hour 5 minutes to reach by car. See what your options are for getting into town, whether that's with a taxi, car hire or ride-share.

  • Travelling on public transport takes roughly 50 minutes.

How to find the cheapest flights from Washington DC to Seoul Incheon International Airport (ICN)

  • Currently, 433 € is the lowest price we've found for a one-way ticket from Washington DC to Seoul Incheon International Airport. The cheapest price for a return flight is 893 €. Remember fares may change due to availability at the time of booking.

  • To score cheap flights from Washington DC to ICN, book your plane ticket six months before your departure date.

  • November is when you're most likely to find a fantastic deal on a Washington DC to Seoul Incheon International Airport ticket. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

  • Save time searching for cheap plane tickets from Washington DC to ICN by setting up a Price Alert. We'll send you an email or push notification on the app when a lower fare pops up.

  • Filters make it easier to dig up a deal for your flight from Washington DC to Seoul Incheon International Airport. Choose the departure times, carriers and stops that look good to you. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Washington DC to Seoul Incheon International Airport (ICN)

  • September is the quietest month for flights from Washington DC to Seoul Incheon International Airport (ICN), while February is the most popular. Work out the best time to visit Seoul based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your Washington DC to ICN plane ticket, consider the type of weather you enjoy. August is the warmest month in Seoul, with temperatures ranging from 19ºC (66ºF) to 32ºC (90ºF).

  • Search for cheap tickets from Washington DC to Seoul Incheon International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 4ºC (39ºF).

More about Seoul

  • After booking your flight from Washington DC to Seoul Incheon International Airport, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Seoul:

  • There are so many things to see and do in this city, it can be difficult to know where to begin. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are major attractions which should be on any good Seoul itinerary.

Explore more of South Korea

  • You've done Seoul, now it's time to explore more of South Korea. Journey around 257 kilometres southeast to Daegu to tick off its top attractions. From Modern Art Statue to Jung-gu District and Alive Aquarium Daegu, you'll have a full itinerary ahead.

  • Around 153 kilometres southeast of Seoul, Daejeon is another favourite stop in South Korea. Experience the best of this destination with a visit to National Science Museum, Temi Park and Yuseong Hot Springs.

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