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756 € 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

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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 756 €. Find the lowest prices on one-way and return tickets right here.
Seoul.756 € per passenger.Departing Tue, 25 Aug, returning Mon, 31 Aug.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 25 Aug, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Mon, 31 Aug, arriving in Washington Dulles.Price includes taxes and charges.From 756 €, select.
Seoul.774 € per passenger.Departing Tue, 18 Aug, returning Wed, 2 Sep.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue, 18 Aug, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Wed, 2 Sep, arriving in Washington Dulles.Price includes taxes and charges.From 774 €, select.
Seoul.815 € per passenger.Departing Tue, 1 Sep, returning Sun, 13 Sep.Return flight with Frontier Airlines and Air Premia.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue, 1 Sep, arriving in Incheon International.Inbound indirect flight with Air Premia, departs from Incheon International on Sun, 13 Sep, arriving in Washington Dulles.Price includes taxes and charges.From 815 €, select.
Seoul.824 € per passenger.Departing Sun, 11 Oct, returning Sun, 18 Oct.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Sun, 11 Oct, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Sun, 18 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 824 €, select.
Seoul.824 € per passenger.Departing Fri, 4 Sep, returning Sun, 6 Sep.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Fri, 4 Sep, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Sun, 6 Sep, arriving in Washington Dulles.Price includes taxes and charges.From 824 €, select.
Seoul.833 € per passenger.Departing Mon, 11 Jan, returning Mon, 18 Jan.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Mon, 11 Jan, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Mon, 18 Jan, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Mon, 4 Jan, returning Fri, 5 Feb.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Mon, 4 Jan, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Fri, 5 Feb, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Mon, 2 Nov, returning Mon, 9 Nov.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Mon, 2 Nov, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Mon, 9 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Mon, 21 Sep, returning Sun, 18 Oct.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Mon, 21 Sep, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Sun, 18 Oct, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Wed, 19 Aug, returning Mon, 14 Dec.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Wed, 19 Aug, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Mon, 14 Dec, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Fri, 28 Aug, returning Fri, 11 Sep.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Fri, 28 Aug, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Fri, 11 Sep, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Mon, 7 Dec, returning Wed, 10 Feb.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Mon, 7 Dec, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Wed, 10 Feb, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Mon, 26 Oct, returning Mon, 9 Nov.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Mon, 26 Oct, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Mon, 9 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Mon, 17 Aug, returning Fri, 28 Aug.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Mon, 17 Aug, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Fri, 28 Aug, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Sun, 6 Sep, returning Mon, 30 Nov.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Sun, 6 Sep, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Mon, 30 Nov, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.
Seoul.833 € per passenger.Departing Mon, 7 Dec, returning Mon, 14 Dec.Return flight with Air Premia.Outbound direct flight with Air Premia departs from Washington Dulles on Mon, 7 Dec, arriving in Incheon International.Inbound direct flight with Air Premia departs from Incheon International on Mon, 14 Dec, arriving in Washington Dulles.Price includes taxes and charges.From 833 €, select.

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 August.
Jul
from 1.336 €
Aug
from 756 €
Sep
from 815 €
Oct
from 824 €
Nov
from 833 €
Dec
from 833 €
Jan
from 833 €
Feb
from 838 €
Mar
from 872 €
Apr
from 872 €
May
from 1.059 €
Jun
from 1.301 €

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.

Gimpo International

17km from central Seoul
Closest
from 1.028 €
Search flights

Incheon International

48km from central Seoul
Cheapest
from 756 €
Search flights

Washington D.C. to Seoul: Flight information

The things to know before you go.
Cheapest flight found756 €
Cheapest month to flyAugust
Average flight time15 hrs, 37 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 756 €. 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 37 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 July 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 August.
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, 25 August 2026.
Yes – the average flight time is 15 hours and 37 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 reserving a flight from Washington DC to Seoul Incheon International Airport (ICN) leaving from here.

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

  • Your flight from Washington DC to ICN won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Getting away during a peak time like July? Busy periods (like Christmas and New Year) can add another hour at check-in and security. Be extra cautious and arrive up to four hours ahead of an international flight and two hours before domestic departures.

Airports in Washington DC

Ronald Reagan Washington National Airport (DCA)

  • Stopovers are the perfect opportunity to break up your journey and maybe even explore another city. When searching for cheap flights from Washington DC to ICN departing from Ronald Reagan Washington National Airport (DCA), uncheck the 'Direct flights only' box to discover where you can stop along the way. Top options include:

    • Chicago O'Hare International Airport (ORD)

    • Boston Logan International Airport (BOS)

    • Toronto Pearson International Airport (YYZ)

  • Located around 6 kilometres from the centre of Washington DC, DCA can be reached in about 10 minutes by car, depending on traffic. The journey by public transport will take roughly 25 minutes.

  • Planning to catch an early flight from Washington DC to Seoul Incheon International Airport? Avoid the mad dash to the terminal (and get a little more snooze time) by staying at one of these hotels near Ronald Reagan Washington National Airport:

  • Of the flights that depart from Ronald Reagan Washington National Airport, 71% arrive as scheduled 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). See if flying from IAD works better for your plans.

  • Korean Air offers direct flights from Washington DC to ICN out of IAD. Book your favourite seat and arrive at your destination in one go.

  • Korean Air is the most frequently booked airline flying from IAD to ICN.

  • With 73.33% of services arriving as scheduled, Korean Air is the most punctual carrier flying 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 recharge or perhaps go somewhere you've never been before. Some 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)

  • Using public transport, you can travel from central Washington DC to IAD in about 1 hour 10 minutes. The airport is roughly 40 kilometres away, and getting there by car takes approximately 45 minutes.

  • Kick off your holiday early with an additional night away from home. Before catching your Washington DC to ICN flight, stay in one of these hotels near Washington Dulles International Airport:

  • When it comes to keeping flights punctual, Washington Dulles International Airport has an on-time arrival performance of 77%.

  • 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 out of Baltimore Washington International Airport (BWI). These are some of the most common stopovers between BWI and ICN:

    • Minneapolis-Saint Paul International Airport (MSP)

    • Detroit Metropolitan Wayne County Airport (DTW)

    • Las Vegas Harry Reid International Airport (LAS)

  • The trip to BWI from the centre of Washington DC is around 50 minutes by public transport. If you're in a car, it'll take you roughly 40 minutes to cover the 48 kilometres or so.

  • Make catching an early Washington DC to Seoul Incheon International Airport flight the easiest part of your trip. Book a room at one of these accommodation options close to Baltimore Washington International Airport and get to your boarding gate with plenty of time to spare:

  • Flights that leave from BWI arrive at their final stop within the expected time frame 77% of the time.

About Seoul Incheon International Airport (ICN)

  • If you're arriving on a late flight from Washington DC to Seoul Incheon International Airport, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and snoozing soon after at one of these options near ICN:

  • Booking your vehicle around four weeks in advance of your Washington DC to Seoul Incheon International Airport flight can help you find the best deal.

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 heading into the city, whether that's with a car hire, taxi or ride-share.

  • It takes roughly 50 minutes if you're travelling by public transport.

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

  • The cheapest price we've found for a one-way ticket from Washington DC to Seoul Incheon International Airport is 389 €. For a return flight on this route, the best price is 756 €. Depending on the availability when you book, these fares could change.

  • Get your hands on cheap flights from Washington DC to ICN by booking six months ahead. According to our research, that's the sweet spot for finding a bargain.

  • The best month for picking up cheap Washington DC to Seoul Incheon International Airport tickets is November. Use the 'Whole month' tool to compare prices, then select the dates that offer the lowest fares.

  • There's no need to check every day to find out if prices have dropped when you set up a Price Alert. We'll let you know as soon as a better deal is available on plane tickets from Washington DC to ICN.

  • Hunt for savings on a flight from Washington DC to Seoul Incheon International Airport with the help of the filters. Choose your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

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

  • December is the quietest month for flights from Washington DC to Seoul Incheon International Airport (ICN), while January is the busiest. Figure out the ideal time to visit Seoul based on whether you want a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Seoul is August, with temperatures ranging between 19ºC (66ºF) and 32ºC (90ºF). Book your Washington DC to ICN plane ticket then if that's your idea of comfortable weather.

  • Look for cheap tickets from Washington DC to Seoul Incheon International Airport in January if you'd rather travel during 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, find a hotel that offers a good mix of location and comfort. Make one of these options your base for exploring Seoul:

  • There are so many things to do and see in this city, it can be hard to figure out where to start. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are leading attractions which should feature on any good Seoul itinerary.

Explore more of South Korea

  • Seoul is always a good idea, but there are so many other parts of South Korea just waiting to be discovered. Around 257 kilometres southeast of Seoul, a visit to Daegu will keep you on the move. Start with leading sights like Alive Aquarium Daegu, Nature Park and Seonsa Historical Park.

  • Around 153 kilometres southeast of Seoul, Daejeon is another essential stop in South Korea. Experience major highlights starting with National Science Museum, Temi Park and Yuseong Hot Springs.

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 12 days.