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Cheap Flights from Seoul (ICN) to Washington D.C. (WASA)

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Compare Incheon International to Washington D.C. flight deals

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Flight deals from Incheon International to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Incheon International to Washington D.C.? Find the lowest prices on one-way and return tickets right here.
Washington D.C..$336 per passenger.Departing Mon, 18 Aug, returning Sat, 14 Mar.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Incheon International on Mon, 18 Aug, arriving in Washington Dulles.Inbound indirect flight with Lufthansa, departs from Washington Dulles on Sat, 14 Mar, arriving in Incheon International.Price includes taxes and charges.From $336, select.
Washington D.C..$1,298 per passenger.Departing Sat, 13 Sep, returning Wed, 17 Sep.Return flight with Air Premia and Spirit Airlines.Outbound indirect flight with Air Premia, departs from Incheon International on Sat, 13 Sep, arriving in Baltimore Washington International.Inbound indirect flight with Spirit Airlines, departs from Baltimore Washington International on Wed, 17 Sep, arriving in Incheon International.Price includes taxes and charges.From $1,298, select.
Washington D.C..$1,299 per passenger.Departing Mon, 9 Jun, returning Mon, 11 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Incheon International on Mon, 9 Jun, arriving in Baltimore Washington International.Inbound indirect flight with Delta, departs from Baltimore Washington International on Mon, 11 Aug, arriving in Incheon International.Price includes taxes and charges.From $1,299, select.
Washington D.C..$1,306 per passenger.Departing Fri, 23 Jan, returning Sat, 31 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Incheon International on Fri, 23 Jan, arriving in Baltimore Washington International.Inbound indirect flight with Delta, departs from Baltimore Washington International on Sat, 31 Jan, arriving in Incheon International.Price includes taxes and charges.From $1,306, select.
Washington D.C..$1,314 per passenger.Departing Wed, 18 Jun, returning Mon, 15 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Incheon International on Wed, 18 Jun, arriving in Baltimore Washington International.Inbound indirect flight with Delta, departs from Baltimore Washington International on Mon, 15 Sep, arriving in Incheon International.Price includes taxes and charges.From $1,314, select.
Washington D.C..$1,334 per passenger.Departing Tue, 2 Sep, returning Tue, 25 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Incheon International on Tue, 2 Sep, arriving in Baltimore Washington International.Inbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 25 Nov, arriving in Incheon International.Price includes taxes and charges.From $1,334, select.
Washington D.C..$1,334 per passenger.Departing Tue, 26 Aug, returning Tue, 30 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Incheon International on Tue, 26 Aug, arriving in Baltimore Washington International.Inbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 30 Sep, arriving in Incheon International.Price includes taxes and charges.From $1,334, select.
Washington D.C..$1,334 per passenger.Departing Thu, 19 Jun, returning Wed, 16 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Incheon International on Thu, 19 Jun, arriving in Baltimore Washington International.Inbound indirect flight with Delta, departs from Baltimore Washington International on Wed, 16 Jul, arriving in Incheon International.Price includes taxes and charges.From $1,334, 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 September.
May
Find prices
Jun
from $1,336
Jul
from $1,359
Aug
from $1,336
Sep
from $1,298
Oct
from $1,355
Nov
from $1,355
Dec
from $1,393
Jan
from $1,306
Feb
from $1,334
Mar
from $1,363
Apr
from $1,461

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$336
Cheapest month to flyAugust
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 return flight from Incheon International to Washington D.C. is $336. 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..
As of May 2025, there are 15 flights per week flying from Incheon International to Washington D.C..
The cheapest month to fly from Incheon International to Washington D.C. is usually May 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 centre of Washington D.C.. We've found flights into this airport from $336.
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 Monday, 18 August 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 May, the average temperature is usually around 17°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, Lufthansa and Delta offer the cheapest flight tickets to Washington D.C..

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

  • Washington DC is 13 hours behind Seoul, where Incheon International Airport is located. Washington DC runs on the UTC-4 timezone.

  • With seven flights a week between the two airports, Incheon International Airport (ICN) to Washington Dulles International Airport (IAD) is the most popular route. Catch Korean Air's 10:15 flight to get your journey from ICN to IAD underway.

  • To avoid missing your ICN to Washington DC flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours before international departures and an hour before domestic flights is the general rule.

  • If you're jetting off during a bank holiday or another peak period, give yourself extra time. A good rule is two hours before domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • Direct Incheon International Airport to Washington DC tickets are available for booking. Washington Dulles International Airport (IAD) is where you'll step off the plane.

  • Book your seat with Korean Air. This popular airline operates direct flights from Incheon International Airport to Washington DC.

  • We make it a breeze to book flight tickets from ICN to Washington DC with a stopover. To see all the options, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour your chosen city. Popular stopovers include:

    • O'Hare International Airport (ORD)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Dallas/Fort Worth International Airport (DFW)

  • From central Seoul, ICN is around 48 kilometres away. Use navigation apps or check the official airport website to work out the best way to reach the terminal.

  • In search of a hotel close to ICN? If you're catching an early flight from Incheon International Airport to Washington DC, these stays will get you from your pillow to the plane in no time:

  • 54.5% of flights that depart Incheon International Airport land at their destination on time.

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

  • The lowest price we've found for a one-way Incheon International Airport to Washington DC flight is $369. The cheapest price for a return flight is $336. Bear in mind fares can change due to availability at the time of booking.

  • Score cheap flights from ICN to Washington DC by booking five months ahead. According to our research, that's the sweet spot for landing a bargain.

  • Schedule your trip for September. That's the best month for scoring an epic deal on Incheon International Airport to Washington DC tickets. If you're flexible on when you fly, use the 'Whole month' tool to access the cheapest price across each month.

  • Finding a cheap flight from ICN to Washington DC couldn't be easier with Price Alerts. Simply set up one of these automatic notifications and we'll let you know when a better deal is available.

  • Save on your flight from Incheon International Airport to Washington DC with the help of our filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Ronald Reagan National Airport (DCA) is around 8 kilometres from the centre of Washington DC. If you're grabbing a cab or a ride-share, the drive will take roughly 15 minutes.

  • If you're using public transport, expect a journey time of about 45 minutes.

  • Think about booking a hotel near DCA if you're coming in on a late flight from Incheon International Airport to Washington DC. Check in to one of these accommodation options and avoid the hassle of a long transfer:

  • Go wherever you want, whenever you want with a Ronald Reagan National Airport rental car. Pick up your wheels from Thrifty, Sixt or Dollar and chase adventure across Washington DC and beyond.

  • Reserving your ride from Ronald Reagan National Airport around four weeks before your flight from ICN to Washington DC can help you get the lowest rate.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) is about 56 kilometres from central Washington DC. After your flight from Incheon International Airport to Washington DC, it'll take you around 50 minutes to get to the heart of the city in a ride-share or cab.

  • If you travel by public transport, the ride to the centre takes 1 hour 10 minutes or so.

  • Place the 'Do not disturb' sign on your door and rest at a hotel near IAD. Here are a few options where you can check in after your ICN to Washington DC flight:

  • Forget about public transport timetables or waiting in a long cab line. Grab a Washington Dulles International Airport rental car and take your journey in whatever direction you like. Compare availability and rates from Dollar, Thrifty and Sixt.

  • Snap up the best price by reserving your ride from IAD one week ahead of time. You can also expect to have a greater selection of vehicles.

  • You'll find Washington Dulles International Airport at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

Best time to go to Washington DC

  • Visit Washington DC during peak season if you prefer a bustling atmosphere, but remember that hotel prices are generally higher. Alternatively, book flights from Incheon International Airport to Washington DC in the low season when prices are cheaper and it's less crowded.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Lock in your Incheon International Airport to Washington DC flight ticket then if this is the type of weather you enjoy.

  • If you want cooler conditions, search for a cheap ticket from ICN to Washington DC in January when temperatures average between -6ºC (21ºF) and 10ºC (50ºF).

More about Washington DC

Explore more of United States

  • Washington DC has plenty to offer, but there are so many other parts of United States waiting to be discovered. About 322 kilometres north-east of Washington DC, a visit to New York will keep your itinerary busy. Start with attractions like Statue of Liberty, Central Park and Empire State Building.

  • If you're interested in discovering another side of United States, consider Philadelphia, about 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are the start of reasons to visit.

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.