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Cheap Flights from Incheon International to Washington, D.C.

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Compare Incheon International to Washington, D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington, D.C.

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Flight deals from Incheon International to Washington, D.C.

Looking for a cheap last-minute deal or the best round-trip flight from Incheon International to Washington, D.C.? Find the lowest prices on one-way and round-trip tickets right here.
Washington, D.C..$599 per passenger.Departing Mon, May 12.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departing from Incheon International on Mon, May 12, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $599, select.
Washington, D.C..$651 per passenger.Departing Tue, Apr 15.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departing from Incheon International on Tue, Apr 15, arriving in Baltimore Washington International.Price includes taxes and charges.From $651, select.
Washington, D.C..$694 per passenger.Departing Fri, Aug 29.One-way flight with United.Outbound indirect flight with United, departing from Incheon International on Fri, Aug 29, arriving in Washington Dulles.Price includes taxes and charges.From $694, select.
Washington, D.C..$694 per passenger.Departing Wed, Sep 10.One-way flight with United.Outbound indirect flight with United, departing from Incheon International on Wed, Sep 10, arriving in Washington Ronald Reagan.Price includes taxes and charges.From $694, select.
Washington, D.C..$702 per passenger.Departing Thu, Nov 13.One-way flight with United.Outbound indirect flight with United, departing from Incheon International on Thu, Nov 13, arriving in Baltimore Washington International.Price includes taxes and charges.From $702, select.
Washington, D.C..$753 per passenger.Departing Tue, Jun 3.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Incheon International on Tue, Jun 3, arriving in Baltimore Washington International.Price includes taxes and charges.From $753, select.
Washington, D.C..$836 per passenger.Departing Wed, Oct 8.One-way flight with United.Outbound indirect flight with United, departing from Incheon International on Wed, Oct 8, arriving in Washington Dulles.Price includes taxes and charges.From $836, select.
Washington, D.C..$872 per passenger.Departing Thu, Jul 3.One-way flight with Jeju Air.Outbound indirect flight with Jeju Air, departing from Incheon International on Thu, Jul 3, arriving in Washington Dulles.Price includes taxes and charges.From $872, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to Washington, D.C. flights are currently cheapest in May.
Apr
from $651
May
from $599
Jun
from $753
Jul
from $872
Aug
from $694
Sep
from $694
Oct
from $836
Nov
from $702
Dec
from $979
Jan
from $960
Feb
from $1,142
Mar
from $1,648

Direct flights from Incheon International to Washington, D.C.

Alternative Incheon International to Washington, D.C. routes

Looking for the cheapest, fastest or easiest route from Incheon International to Washington, D.C.? You could fly into the following airports instead.

Seoul to Washington, D.C.: Flight information

The things to know before you go.
Cheapest flight found$599
Cheapest month to flyMay
Average flight time13 hrs, 38 mins
Most popular airlineDelta
Average flights per week15

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

There are 5 airports in Washington, D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a round-trip flight from Incheon International to Washington, D.C. is $923. 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, D.C..
Delta and Korean Air fly direct from Incheon International to Washington, D.C..
There are 15 flights per week flying from Incheon International to Washington, D.C., as of April 2025.
The cheapest month to fly from Incheon International to Washington, D.C. is usually April 2025.
If you're flying from Incheon International Airport, the cheapest airport near Washington, D.C. is Washington Dulles – which is 36.5 km away from the center of Washington, D.C.. We've found flights to this airport from $923.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to Washington, D.C. on Wednesday, May 7, 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, D.C. 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.
In April, the average temperature is usually around 12°C. July is typically the warmest month in Washington, D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
Currently, American Airlines and Korean Air offer the cheapest flight tickets to Washington, D.C..

How to find cheap flights to Washington, D.C. from Incheon International

Looking for cheap tickets from Incheon International to Washington, D.C.? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Incheon International to Washington, D.C.. And with us, there are no hidden fees – what you see is what you pay.
  • Compare flight deals to Washington, D.C. from Incheon International from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
  • Flex your dates to find the best Incheon International–Washington, D.C. ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Washington, D.C. from Incheon International.
  • Set up a Price Alert. You can easily track the fare of your cheap Incheon International–Washington, D.C. flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Incheon International and Washington, D.C.? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business Class flights from Incheon International and Washington, D.C.. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Washington, D.C., too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Incheon International to Washington, D.C. flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

    • Combine your flight to Washington, D.C. from Incheon International with hotels and car rental

    Once you've secured your cheap flight ticket from Incheon International to Washington, D.C., discover the best prices and exclusive rates for hotels in Washington, D.C. or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


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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.