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Cheap Flights from Seoul to Washington Dulles

Compare Seoul to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

Book the best Washington Dulles fare with no extra fees

Flight deals from Seoul to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Seoul to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
Washington D.C..R 6,565 per passenger.Departing Wed, 26 Nov.One-way flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departs from Incheon International on Wed, 26 Nov, arriving in Washington Dulles.Price includes taxes and charges.From R 6,565, select.
Washington D.C..R 7,482 per passenger.Departing Sun, 12 Oct.One-way flight with T'way Air.Outbound indirect flight with T'way Air, departs from Incheon International on Sun, 12 Oct, arriving in Washington Dulles.Price includes taxes and charges.From R 7,482, select.
Washington D.C..R 8,738 per passenger.Departing Tue, 15 Jul.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departs from Incheon International on Tue, 15 Jul, arriving in Washington Dulles.Price includes taxes and charges.From R 8,738, select.
Washington D.C..R 8,968 per passenger.Departing Mon, 25 Aug.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departs from Incheon International on Mon, 25 Aug, arriving in Washington Dulles.Price includes taxes and charges.From R 8,968, select.
Washington D.C..R 8,989 per passenger.Departing Wed, 3 Sep.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departs from Incheon International on Wed, 3 Sep, arriving in Washington Dulles.Price includes taxes and charges.From R 8,989, select.
Washington D.C..R 10,423 per passenger.Departing Wed, 25 Jun.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departs from Incheon International on Wed, 25 Jun, arriving in Washington Dulles.Price includes taxes and charges.From R 10,423, select.
Washington D.C..R 11,147 per passenger.Departing Mon, 1 Dec.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Mon, 1 Dec, arriving in Washington Dulles.Price includes taxes and charges.From R 11,147, select.
Washington D.C..R 11,202 per passenger.Departing Wed, 4 Mar.One-way flight with Air Premia.Outbound indirect flight with Air Premia, departs from Incheon International on Wed, 4 Mar, arriving in Washington Dulles.Price includes taxes and charges.From R 11,202, select.

Find the cheapest month to fly from Seoul to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to Washington Dulles flights are currently cheapest in November.
Jun
from R 10,423
Jul
from R 8,738
Aug
from R 8,968
Sep
from R 8,989
Oct
from R 7,482
Nov
from R 6,565
Dec
from R 11,147
Jan
from R 12,048
Feb
Find prices
Mar
from R 11,202
Apr
from R 12,478
May
from R 12,451

Direct flights from Seoul to Washington Dulles

Seoul to Washington Dulles: Alternative routes

Compare routes from Seoul 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 foundR 6,565
Cheapest month to flyNovember
Average flight time13 hrs, 38 mins
Most popular airlineDelta
Average flights per week16

Finding cheap flights from Seoul to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Seoul to Washington Dulles is R 13,207. 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 Dulles.
Delta and Korean Air fly direct from Seoul to Washington Dulles.
As of June 2025, there are 48 flights per week flying from Seoul to Washington Dulles.
The cheapest month to fly from Seoul to Washington Dulles is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Washington Dulles Airport on Monday, 15 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.

Travelling from Seoul to Washington Dulles International Airport (IAD): What you need to know

  • Get your holiday planning started by working out where you'll catch your flight from Seoul to Washington Dulles International Airport (IAD). Incheon International Airport (ICN) and Gimpo International Airport (GMP) are the main airports in Seoul.

  • Take off on a direct Seoul to Washington Dulles International Airport flight and you'll be travelling for an average of 13 hours 40 minutes.

  • Washington DC is 13 hours behind Seoul. Washington Dulles International Airport is located in Washington DC, which is in the UTC-4 timezone.

  • Take your pick of 7 direct flights a week between Incheon International Airport (ICN) and Washington Dulles International Airport (IAD). This is the busiest route, with Korean Air offering a 10:15am departure from ICN to IAD.

  • To ensure you catch your flight from Seoul to IAD, leave enough time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • During high season, expect longer queues and be there earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in Seoul

Incheon International Airport (ICN)

  • Incheon International Airport (ICN) will have you travelling directly to your destination. Nonstop flights from Seoul to Washington Dulles International Airport (IAD) operate out of this terminal.

  • Book your direct flight from Seoul to Washington Dulles International Airport with Korean Air. This top airline operates departures from ICN.

  • The preferred airline for passengers flying between ICN and IAD is Korean Air.

  • The carrier with the best on-time arrival rate on this route is Korean Air.

  • Stopovers are the ideal opportunity to break up your journey and maybe even explore another city. When searching for cheap flights from Seoul to IAD departing from Incheon International Airport (ICN), uncheck the 'Direct flights only' box to find out where you can stop along the way. Top options include:

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Dallas/Fort Worth International Airport (DFW)

    • Minneapolis-St. Paul International Airport (MSP)

  • The distance from central Seoul to ICN is around 48 kilometres. Use travel apps like Google Maps for the best way to get there, whether in your own car or with public transport.

  • Looking for a convenient hotel near Incheon International Airport? If you've booked an early flight from Seoul to Washington Dulles International Airport, these accommodation options will have you sleeping moments from your check-in counter:

  • 54.5% of flights that leave from Incheon International Airport touch down at their destination on time.

Gimpo International Airport (GMP)

  • Add a stopover to your journey at Haneda Airport (HND). It's a key transfer point for flights from Seoul to Washington Dulles International Airport (IAD) departing Gimpo International Airport.

  • From central Seoul, GMP is about 16 kilometres away. When working out your route, find out whether public transport is an option or if it's more convenient to drive.

  • Flying out early in the morning? You might like to check in to one of these hotels near Gimpo International Airport the day before your Seoul to IAD flight:

  • When it comes to keeping flights on track, Gimpo International Airport has an on-time arrival rate of 75.94%.

About Washington Dulles International Airport (IAD)

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

  • Central Washington DC is about 40 kilometres from Washington Dulles International Airport. Journey times by car hire or cab will vary based on time of day and traffic conditions, so do some research ahead of time.

  • It takes around 1 hour 10 minutes to get there using public transport.

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

  • The cheapest price we've found for a one-way ticket from Seoul to Washington Dulles International Airport is R 6,565. For a return flight on this route, the best price is R 13,208. Depending on when you book and the availability, these fares may change.

  • Get your hands on cheap flights from Seoul to IAD by booking four months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • The best month for picking up cheap Seoul to Washington Dulles International Airport tickets is September. Use the 'Whole month' tool to compare flight prices, then choose the dates offering the lowest fares.

  • Finding a cheap plane ticket from Seoul to IAD is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as there's a price drop.

  • Chase down a great fare on a flight from Seoul to Washington Dulles International Airport with the help of the filters. Pick your ideal departure and arrival times, airlines and number of stops. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best.'

The best time to fly from Seoul to Washington Dulles International Airport (IAD)

  • It's time to decide your travel dates for your flight from Seoul to Washington Dulles International Airport (IAD). July is the busiest month to travel to Washington DC. If crowds aren't your thing, head there in February.

  • Before locking in your Seoul to IAD plane ticket, consider the kind of weather forecast you're hoping for. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • January sees temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from Seoul to Washington Dulles International Airport around that time if you'd rather travel in cooler conditions.

More about Washington DC

Explore more of the United States

  • You've seen Washington DC, now it's time to explore other corners of the United States. Journey around 225 kilometres north-east to Philadelphia to tick off its popular sights. From Independence Hall to Liberty Bell and Philadelphia Museum of Art, you've got a jam-packed schedule ahead.

  • If you want to check out another great destination in the United States, consider Virginia Beach, roughly 274 kilometres south-east of Washington DC. Virginia Beach Oceanfront, Virginia Beach Boardwalk and Resort Beach are among the biggest draws.

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.