Cheap Flights from Seoul to Washington D.C.

Travellers and cabin class

Compare Seoul to Washington D.C. flight deals

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

Book the best Washington D.C. fare with no extra fees

Flight deals from Seoul to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Seoul to Washington D.C.? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to Washington D.C.

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

Direct flights from Seoul to Washington D.C.

Alternative Seoul to Washington D.C. routes

Looking for the cheapest, fastest or easiest route from Seoul 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 foundRs117,154
Cheapest month to flyMay
Average flight time13 hrs, 38 mins
Most popular airlineDelta
Average flights per week15

Finding cheap flights from Seoul 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 Seoul to Washington D.C. is Rs64,482. 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 Seoul to Washington D.C..
Delta and Korean Air fly direct from Seoul to Washington D.C..
As of May 2025, there are 15 flights per week flying from Seoul to Washington D.C..
The cheapest month to fly from Seoul to Washington D.C. is usually May 2025.
If you're flying from Seoul, 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 Rs64,482.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul 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.
The cheapest airline that flies to Washington D.C. is Lufthansa. And the cheapest airline that flies to Camp Springs Andrews AFB Airport is Korean Air.

Travelling from Seoul to Washington DC: what you need to know

  • Seoul has two main airports where you can set off on your adventure. Check out your options for reserving a flight from Seoul to Washington DC departing from Incheon International Airport (ICN) or Gimpo International Airport (GMP).

  • Hop off the plane at one of Washington DC's major entry points like Ronald Reagan National Airport (DCA). You can also come in for landing at Washington Dulles International Airport (IAD) or Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • Around 13 hours 40 minutes is how long you'll be travelling on a direct Seoul to Washington DC flight.

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

  • The busiest route for flights from Seoul to Washington DC is from Incheon International Airport (ICN) to Washington Dulles International Airport (IAD). Choose from seven weekly services between these two airports. If you want to head off as soon as possible, the earliest flight from ICN to IAD is the 10:15 Korean Air option. If you prefer travelling later, the last departure is at 10:25 with Korean Air.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This leaves you with plenty of time to board your Seoul to Washington DC flight.

  • Be prepared for bigger queues in popular months like July. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a wise move.

How to find the cheapest flights from Seoul to Washington DC

  • Book six months before flying. Pricing trends suggest that this is the ideal window for finding cheap Seoul to Washington DC flights.

  • The best month for landing cheap plane tickets from Seoul to Washington DC is September. Use the 'Whole month' tool to compare prices, then select the dates that offer the biggest savings.

  • Snapping up a cheap flight from Seoul to Washington DC is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as a better deal is available.

  • Choose your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your Seoul to Washington DC flight results by 'Best,' 'Cheapest' or 'Fastest.'

Flying from Seoul

Incheon International Airport (ICN)

  • You can catch a direct flight from Seoul to Washington DC departing from Incheon International Airport (ICN). Start your journey at ICN and touch down at Washington Dulles International Airport (IAD).

  • Reserve your Seoul to Washington DC plane tickets with Korean Air. This carrier is a top choice for direct flights from ICN.

  • We make it easy to find a Seoul to Washington DC flight with a stopover. To see all your options departing from Incheon International Airport, deselect 'Direct flights only.' Then, simply choose a flight that has a stop long enough to see the sights of the city of your choice. Major stopovers include:

    • Minneapolis-St. Paul International Airport (MSP)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Logan International Airport (BOS)

  • ICN is roughly 48 kilometres from the centre of Seoul. To help you work out how to get there, use Google Maps. This handy traveller tool will give you the fastest route and your public transport options.

  • Catching an early flight from Seoul to Washington DC? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these hotels close to Incheon International Airport:

  • When it comes to the on-time performance of Incheon International Airport, data shows 54.5% of flights complete their journey on time.

Gimpo International Airport (GMP)

  • Take a moment to recharge during your Seoul to Washington DC flight with a stopover. Haneda Airport (HND) is one of the options between Gimpo International Airport and Washington DC.

  • GMP is roughly 16 kilometres from the centre of Seoul. Plan ahead to work out the fastest way to arrive at the terminal.

  • Start your holiday early with an additional night away from home. Before catching your flight from Seoul to Washington DC, unwind in one of these hotels close to Gimpo International Airport:

  • 75.94% of all departures from Gimpo International Airport arrive within the expected time frame.

Arriving in Washington DC

Ronald Reagan National Airport (DCA)

  • Ronald Reagan National Airport (DCA) to central Washington DC takes about 15 minutes by car. The centre is roughly 6 kilometres away.

  • When travelling by public transport, expect a journey time of around 45 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're landing late on a flight from Seoul to Washington DC. Check in to one of these accommodation options near DCA instead:

  • Travel at your own pace with a Ronald Reagan National Airport rental car. Pick up a set of wheels from Thrifty, Sixt or Dollar and chase adventure across Washington DC and beyond.

  • Booking your vehicle from Ronald Reagan National Airport about four weeks ahead can help you get the best possible rate.

  • DCA is situated at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Once your flight from Seoul to Washington DC has arrived, you can make your way to the city centre in around 50 minutes by car. Central Washington DC is approximately 40 kilometres from Washington Dulles International Airport (IAD).

  • If you hop on public transport, you'll reach the centre in 1 hour 10 minutes or so.

  • You'll find some comfortable places to lay your head close to IAD. Kick back after your Seoul to Washington DC flight at one of these well-located options:

  • No need to worry about public transport schedules or long cab queues. Grab a Washington Dulles International Airport rental car and go in any direction that inspires you. Check out the rates and availability from Dollar, Thrifty and Sixt.

  • Call dibs on the best options. Booking your ride from IAD one week ahead of time often means better deals and a wider selection of vehicles.

  • The address for Washington Dulles International Airport is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

Best time to go to Washington DC

  • February is the busiest month for flights from Seoul to Washington DC. To avoid the crowds, visit Washington DC in May.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC and 33ºC. Book your Seoul to Washington DC ticket then if that's your definition of good weather.

  • January sees average temperatures of between -6ºC and 10ºC. Search for cheap flights from Seoul to Washington DC around that time if you like cooler conditions.

More about Washington DC

Explore more of United States

  • Washington DC has plenty going for it, but there are so many other parts of United States just waiting to be explored. About 322 kilometres north-east of Washington DC, a trip to New York will keep you on the go. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.

  • Around 193 kilometres north-east of Washington DC, Philadelphia is another favourite stop in United States. No visit is complete without checking out Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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