฿22,960 Cheap Flights from Seoul (ICN) to Washington (IAD)

View ฿22,960 flight on Mon, 26 Jan 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Washington Dulles International Airport (IAD)

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Cheap Flights from Seoul (ICN) to Washington (IAD)

Prices were available within the past 7 days and start at ฿22,960 for one-way flights and ฿26,505 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 19 Feb - Wed, 25 Feb
ICN
Seoul
IAD
Washington
฿26,505 Return, found 11 hours ago
฿26,505
Return
found 11 hours ago
Select American Airlines flight, departing Thu, 19 Feb from Seoul to Washington, returning Wed, 25 Feb, priced at ฿26,505 found 11 hours ago
American Airlines
Thu, 12 Mar - Mon, 23 Mar
ICN
Seoul
IAD
Washington
฿26,520 Return, found 1 day ago
฿26,520
Return
found 1 day ago
Select American Airlines flight, departing Thu, 12 Mar from Seoul to Washington, returning Mon, 23 Mar, priced at ฿26,520 found 1 day ago
United
Sat, 10 Oct - Sat, 17 Oct
ICN
Seoul
IAD
Washington
฿32,095 Return, found 3 days ago
฿32,095
Return
found 3 days ago
Select United flight, departing Sat, 10 Oct from Seoul to Washington, returning Sat, 17 Oct, priced at ฿32,095 found 3 days ago
Asiana Airlines
Wed, 29 Apr - Tue, 7 Jul
ICN
Seoul
IAD
Washington
฿33,595 Return, found 1 day ago
฿33,595
Return
found 1 day ago
Select Asiana Airlines flight, departing Wed, 29 Apr from Seoul to Washington, returning Tue, 7 Jul, priced at ฿33,595 found 1 day ago
China Airlines
Thu, 12 Mar - Mon, 23 Mar
ICN
Seoul
IAD
Washington
฿35,115 Return, found 1 day ago
฿35,115
Return
found 1 day ago
Select China Airlines flight, departing Thu, 12 Mar from Seoul to Washington, returning Mon, 23 Mar, priced at ฿35,115 found 1 day ago
Asiana Airlines
Thu, 12 Mar - Mon, 23 Mar
ICN
Seoul
IAD
Washington
฿36,890 Return, found 1 day ago
฿36,890
Return
found 1 day ago
Select Asiana Airlines flight, departing Thu, 12 Mar from Seoul to Washington, returning Mon, 23 Mar, priced at ฿36,890 found 1 day ago
Delta
Thu, 19 Feb - Wed, 25 Feb
ICN
Seoul
IAD
Washington
฿41,265 Return, found 11 hours ago
฿41,265
Return
found 11 hours ago
Select Delta flight, departing Thu, 19 Feb from Seoul to Washington, returning Wed, 25 Feb, priced at ฿41,265 found 11 hours ago
Korean Air
Thu, 19 Feb - Wed, 25 Feb
ICN
Seoul
IAD
Washington
฿43,190 Return, found 11 hours ago
฿43,190
Return
found 11 hours ago
Select Korean Air flight, departing Thu, 19 Feb from Seoul to Washington, returning Wed, 25 Feb, priced at ฿43,190 found 11 hours ago
Korean Air
Thu, 19 Feb - Wed, 25 Feb
ICN
Seoul
IAD
Washington
฿45,840 Return, found 11 hours ago
฿45,840
Return
found 11 hours ago
Select Korean Air flight, departing Thu, 19 Feb from Seoul to Washington, returning Wed, 25 Feb, priced at ฿45,840 found 11 hours ago
Turkish Airlines
Thu, 19 Feb - Wed, 25 Feb
ICN
Seoul
IAD
Washington
฿48,055 Return, found 11 hours ago
฿48,055
Return
found 11 hours ago
Select Turkish Airlines flight, departing Thu, 19 Feb from Seoul to Washington, returning Wed, 25 Feb, priced at ฿48,055 found 11 hours ago

Find the cheapest month to fly from Seoul (ICN) to Washington (IAD)

November is typically the cheapest month to fly

From ฿13,589 - ฿29,104 per traveller.
Flight from Seoul to Washington route information
Origin airport
Incheon Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air France, American Airlines, Delta, Emirates, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines
Return price
฿26,505
Distance
11108 km
Average flight time
13 hours 35 mins

Perfect flights from Seoul to Washington

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Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Incheon Intl. to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿22,960 and roundtrip prices from ฿26,505. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Washington Dulles Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.

Frequently asked questions

How much is a flight from Seoul–Incheon Intl. Airport to Dulles Intl. Airport?
Start packing your suitcase, because round-trip journeys between Seoul–Incheon Intl. Airport and Washington Dulles Intl. Airport (IAD) start from ฿26,505. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Incheon Airport to Washington Dulles Intl. Airport (IAD)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Seoul–Incheon Intl. Airport to Dulles Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seoul–Incheon Intl. Airport to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Intl. Airport (ICN) to IAD?
With a flight distance of 11,200 kilometres from Seoul–Incheon Intl. Airport (ICN) to IAD (IAD), this is a long flight. Make sure you keep well hydrated and move your legs every so often.
Which airlines fly direct from Incheon Airport to Washington Dulles Intl. Airport (IAD)?
Korean Air (KE) will take you from Incheon Airport to Washington Dulles Intl. Airport (IAD) safely and reliably. Take your pick of 30 direct flights every month on this route.
Are ICN to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes nab a bargain, with some of the cheapest airfares from Seoul–Incheon Intl. Airport to Washington Dulles Intl. Airport (IAD) showing up a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance.
*Available to Expedia members.