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Cheap Flights from Incheon International to Washington Dulles from $613

Compare Incheon International to Washington Dulles flight deals

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Flight deals from Incheon International to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Incheon International to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
Washington D.C..$1,113 per passenger.Departing Tue, 9 Sep, returning Tue, 16 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Tue, 9 Sep, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Tue, 16 Sep, arriving in Incheon International.Price includes taxes and charges.From $1,113, select.
Washington D.C..$1,162 per passenger.Departing Wed, 7 May, returning Sun, 11 May.Return flight with Air Premia and Hawaiian Airlines.Outbound indirect flight with Air Premia, departs from Incheon International on Wed, 7 May, arriving in Washington Dulles.Inbound indirect flight with Hawaiian Airlines, departs from Washington Dulles on Sun, 11 May, arriving in Incheon International.Price includes taxes and charges.From $1,162, select.
Washington D.C..$1,197 per passenger.Departing Tue, 18 Nov, returning Thu, 27 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Tue, 18 Nov, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Thu, 27 Nov, arriving in Incheon International.Price includes taxes and charges.From $1,197, select.
Washington D.C..$1,201 per passenger.Departing Tue, 9 Sep, returning Tue, 28 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Tue, 9 Sep, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Tue, 28 Oct, arriving in Incheon International.Price includes taxes and charges.From $1,201, select.
Washington D.C..$1,219 per passenger.Departing Mon, 6 Oct, returning Mon, 27 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Mon, 6 Oct, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Mon, 27 Oct, arriving in Incheon International.Price includes taxes and charges.From $1,219, select.
Washington D.C..$1,224 per passenger.Departing Mon, 27 Oct, returning Thu, 13 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Mon, 27 Oct, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Thu, 13 Nov, arriving in Incheon International.Price includes taxes and charges.From $1,224, select.
Washington D.C..$1,229 per passenger.Departing Tue, 25 Nov, returning Tue, 2 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Tue, 25 Nov, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Tue, 2 Dec, arriving in Incheon International.Price includes taxes and charges.From $1,229, select.
Washington D.C..$1,245 per passenger.Departing Thu, 27 Nov, returning Fri, 30 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Thu, 27 Nov, arriving in Washington Dulles.Inbound indirect flight with Air Canada, departs from Washington Dulles on Fri, 30 Jan, arriving in Incheon International.Price includes taxes and charges.From $1,245, select.

Find the cheapest month to fly from Incheon International to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Washington Dulles flights are currently cheapest in September.
Apr
from $1,570
May
from $1,168
Jun
from $1,570
Jul
from $1,492
Aug
from $1,896
Sep
from $1,119
Oct
from $1,226
Nov
from $1,204
Dec
from $1,253
Jan
from $1,516
Feb
from $1,328
Mar
from $2,079

Direct flights from Incheon International to Washington Dulles

Incheon International to Washington Dulles: Alternative routes

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

Seoul to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$1,113
Cheapest month to flySeptember
Average flight time13 hrs, 38 mins
Most popular airlineDelta
Average flights per week15

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

The best price we found for a return flight from Incheon International to Washington Dulles is $1,113. 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.
13 hours and 38 minutes is the average flight time from Incheon International to Washington Dulles.
Delta and Korean Air fly direct from Incheon International to Washington Dulles.
As of April 2025, there are 15 flights per week flying from Incheon International to Washington Dulles.
The cheapest month to fly from Incheon International to Washington Dulles is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Washington Dulles Airport on Tuesday, 9 September 2025.
Yes – the average flight time is 13 hours and 38 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 Washington Dulles 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 Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air Canada and Korean Air offer the cheapest flight tickets to Washington Dulles.

Flying from Incheon International Airport (ICN) to Washington Dulles International Airport (IAD): what you need to know

  • Around 13 hours 40 minutes is how long you can expect to be travelling on a direct flight from Incheon International Airport to Washington Dulles International Airport.

  • Washington DC's timezone is UTC-4, which makes Washington DC 13 hours behind Seoul.

  • Flights from ICN to IAD start from 10:15 — the first with Korean Air. The last service of the day is at 10:25 with Korean Air. Overall, there are ten weekly Incheon International Airport to Washington Dulles International Airport flights.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your ICN to IAD flight.

  • During popular months like July, you'll want to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you travel during peak periods in general.

  • Getting to Washington DC (and then discovering more of United States!) is a snap with Korean Air. This popular airline has direct flights from Incheon International Airport to Washington Dulles International Airport.

  • The airline that passengers book most often on this route is Korean Air.

  • Among carriers operating ICN to IAD flights, Korean Air is the most consistent for on-time landings.

  • Think about adding a stopover when booking your ticket from Incheon International Airport to Washington Dulles International Airport. Simply uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here's where you can stop between ICN and IAD:

    • Minneapolis-St. Paul International Airport

    • Dallas/Fort Worth International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Incheon International Airport (ICN) to Washington Dulles International Airport (IAD)

  • Currently, $613 is the lowest price we've found for a one-way Incheon International Airport to Washington Dulles International Airport flight. The best price for a return ticket is $1,119. Bear in mind that fares may change due to availability when booking.

  • Book ten months before your departure date. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from ICN to IAD.

  • September is the cheapest month for flights from Incheon International Airport to Washington Dulles International Airport. If you need to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

  • You don't need to check every day to find out if fares have gone down when you create a Price Alert. We'll update you the moment there's a new deal on cheap flights from ICN to IAD.

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

Handy information about Incheon International Airport (ICN)

  • Of the departures from Incheon International Airport, 54.5% land on time at their destination.

  • Incheon International Airport is about 48 kilometres from central Seoul. To help work out how to get there, use Google Maps. This handy traveller tool will show you the quickest route and public transport alternatives.

  • Catching public transport? You can expect a journey time of around 1 hour 45 minutes.

  • Have an early flight from Incheon International Airport to Washington Dulles International Airport? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by choosing one of these hotels near ICN:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • The address for IAD is 1 Saarinen Circle.

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to drive to the centre.

  • Travelling on public transport typically takes 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • The quietest month for a flight from Incheon International Airport to Washington Dulles International Airport is January, while April is the most popular. Pick the ideal time to go to Washington DC based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • Lock in your flight from Incheon International Airport to Washington Dulles International Airport for July if you'd like to go to Washington DC during its warmest month. You can expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from ICN to IAD in January. Average temperatures are between -6ºC (21ºF) and 10ºC (50ºF) then.

Explore more of United States

  • You've visited Washington DC, now it's time to explore more of United States. Journey about 322 kilometres north-east to New York to check off its top attractions. From Statue of Liberty to Central Park and Empire State Building, you've got a jam-packed schedule ahead.

  • Philadelphia is another standout destination in United States and is around 193 kilometres north-east of Washington DC. No journey is complete without seeing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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

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