Cheap Flights from Seoul to Washington D.C.

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

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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 March.

Direct flights from Seoul to Washington D.C.

Seoul to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundR 6,800
Cheapest month to flyMarch
Average flight time13 hrs, 42 mins
Most popular airlineDelta
Average flights per week72

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 R 10,427. 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 42 minutes is the average flight time from Seoul to Washington D.C..
Delta, Korean Air and Air Premia fly direct from Seoul to Washington D.C..
As of February 2026, there are 18 flights per week flying from Seoul to Washington D.C..
The cheapest month to fly from Seoul to Washington D.C. is usually March.
If you're flying from Seoul, the cheapest airport near Washington D.C. is Baltimore Washington International – which is 43.6 km away from the centre of Washington D.C.. We've found flights into this airport from R 10,427.
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, 2 March 2026.
Yes – the average flight time is 13 hours and 42 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 February, the average temperature is usually around 1°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 American Airlines. And the cheapest airline that flies to Camp Springs Andrews AFB Airport is Air Premia.

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

  • There are two main airports you can start your trip from in Seoul. Explore your options departing from Incheon International Airport (ICN) or Gimpo International Airport (GMP) when planning your flight from Seoul to Washington DC.

  • When arriving in Washington DC, hop off the plane at Ronald Reagan National Airport (DCA) or Washington Dulles International Airport (IAD). Baltimore/Wash International Thurgood Marshall Airport (BWI) is another major gateway to this city.

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

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

  • Incheon International Airport (ICN) to Washington Dulles International Airport (IAD) is the most popular route between these two cities. There are seven flights a week to choose from. If you have things to do before heading off, the last flight from Seoul to Washington DC is with Korean Air at 10:25. Choose the first ICN to IAD departure operated by Korean Air at 10:15 to fit in more activities on your first day in Washington DC.

  • To ensure you get on your Seoul to Washington DC flight, leave enough time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Travelling during a peak time such as July? Major public holidays and other popular periods can mean longer lines at security. Play it safe and get there up to four hours ahead of international flights and two hours before domestic departures.

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)

  • If you're searching for a direct flight from Seoul to Washington DC, you can leave from Incheon International Airport (ICN). Get from ICN to Washington Dulles International Airport (IAD) without any stops.

  • Be on the lookout for deals with Korean Air. This carrier offers direct Seoul to Washington DC plane tickets out of ICN.

  • A stopover is the perfect opportunity to take a travel break — and maybe even tour another city. When searching for Seoul to Washington DC flights leaving from Incheon International Airport, uncheck the 'Direct flights only' box to see where you can visit along the way. Top options include:

    • O'Hare International Airport (ORD)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Dallas/Fort Worth International Airport (DFW)

  • From the centre of Seoul, ICN is around 48 kilometres away. Visit the official airport website or use navigation apps to work out the best way to get there.

  • Looking for a convenient hotel near Incheon International Airport? If you're catching an early flight from Seoul to Washington DC, these stays will have you moments from your departure lounge:

  • 54.5% of flights that take off from Incheon International Airport arrive at their destination on schedule.

Gimpo International Airport (GMP)

  • Consider adding a stop at Haneda Airport (HND). It's a key stopover on a Seoul to Washington DC flight leaving Gimpo International Airport. Use a longer layover to explore nearby, or take advantage of a quick break to browse the airport stores.

  • GMP is around 16 kilometres from central Seoul. Plan ahead to find the fastest way to arrive at the terminal.

  • It's your holiday, so why not book an extra night away? Think about kicking back in one of these accommodation options near Gimpo International Airport the day before your flight from Seoul to Washington DC:

  • When it comes to flight punctuality, Gimpo International Airport has an on-time arrival rate of 76%.

Arriving in Washington DC

Ronald Reagan National Airport (DCA)

  • The distance from Ronald Reagan National Airport (DCA) to central Washington DC is roughly 5 kilometres. It'll take you around 15 minutes to get to the centre driving.

  • It typically takes 45 minutes to get there when travelling by public transport.

  • If you're coming in on a late flight from Seoul to Washington DC, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near DCA:

  • Pick up a Ronald Reagan National Airport rental car and explore Washington DC and beyond with your own wheels. Thrifty, Sixt and Dollar are well-known companies to choose from here.

  • Booking your vehicle from Ronald Reagan National Airport around four weeks ahead gives you the best shot at securing a great deal.

  • DCA is situated at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Washington Dulles International Airport (IAD) is roughly 40 kilometres from central Washington DC. After your flight from Seoul to Washington DC, it'll take you approximately 50 minutes to reach the heart of the city in a ride-share or cab.

  • If you're catching public transport, it'll take around 1 hour 10 minutes.

  • After your flight from Seoul to Washington DC, tuck yourself in at a hotel near IAD. These are some comfortable accommodation options that'll help you sink into relaxation mode:

  • Dollar, Thrifty and Sixt make collecting a Washington Dulles International Airport rental car easy and quick. These trusted companies are located in or around the terminal and will have you on your way in a heartbeat.

  • Secure your first choice, not your last resort. Reserving your ride from IAD one week in advance often means better prices and a bigger choice of vehicles.

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

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Baltimore/Wash International Thurgood Marshall Airport (BWI) is around 40 kilometres from the centre of Washington DC. It'll take you about 50 minutes to get to the city centre by car once you've stepped off your flight from Seoul to Washington DC.

  • The journey takes about 1 hour 30 minutes by public transport.

  • Choose a hotel close to BWI and go from the plane to your bed in a flash. Whether you're catching a late Seoul to Washington DC flight or just want to simplify your travel plans, these stays will have you settling in quickly:

  • Whether you're searching for a zippy mini for a solo trip or an SUV to fit the whole crew comfortably, you'll find the perfect Baltimore/Wash International Thurgood Marshall Airport rental car for your needs. Explore wheels available from suppliers such as Dollar, Thrifty and Budget.

  • Around two weeks ahead of your flight from Seoul to Washington DC is the ideal time to book your ride from BWI. You're more likely to land a better deal or score some early bird savings.

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 (66ºF) and 33ºC (91ºF). Book your Seoul to Washington DC ticket then if that's your definition of good weather.

  • January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). 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.