฿24,110 Cheap Flights from Seoul (ICN) to Washington (IAD)

View ฿24,110 flight on Mon, 2 Feb 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 ฿24,110 for one-way flights and ฿25,755 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 29 Jan - Wed, 4 Feb
ICN
Seoul
IAD
Washington
฿25,755 Return, found 6 days ago
฿25,755
Return
found 6 days ago
Select United flight, departing Thu, 29 Jan from Seoul to Washington, returning Wed, 4 Feb, priced at ฿25,755 found 6 days ago
American Airlines
Thu, 12 Mar - Mon, 23 Mar
ICN
Seoul
IAD
Washington
฿26,520 Return, found 4 hours ago
฿26,520
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 12 Mar from Seoul to Washington, returning Mon, 23 Mar, priced at ฿26,520 found 4 hours ago
United
Fri, 1 May - Wed, 6 May
ICN
Seoul
IAD
Washington
฿29,375 Return, found 6 days ago
฿29,375
Return
found 6 days ago
Select United flight, departing Fri, 1 May from Seoul to Washington, returning Wed, 6 May, priced at ฿29,375 found 6 days ago
Jeju Air
Thu, 30 Apr - Wed, 6 May
ICN
Seoul
IAD
Washington
฿30,995 Return, found 6 days ago
฿30,995
Return
found 6 days ago
Select Jeju Air flight, departing Thu, 30 Apr from Seoul to Washington, returning Wed, 6 May, priced at ฿30,995 found 6 days ago
United
Thu, 30 Apr - Wed, 6 May
ICN
Seoul
IAD
Washington
฿31,535 Return, found 6 days ago
฿31,535
Return
found 6 days ago
Select United flight, departing Thu, 30 Apr from Seoul to Washington, returning Wed, 6 May, priced at ฿31,535 found 6 days ago
Asiana Airlines
Fri, 1 May - Wed, 6 May
ICN
Seoul
IAD
Washington
฿34,730 Return, found 6 days ago
฿34,730
Return
found 6 days ago
Select Asiana Airlines flight, departing Fri, 1 May from Seoul to Washington, returning Wed, 6 May, priced at ฿34,730 found 6 days ago
Delta
Thu, 14 May - Tue, 19 May
ICN
Seoul
IAD
Washington
฿40,690 Return, found 6 days ago
฿40,690
Return
found 6 days ago
Select Delta flight, departing Thu, 14 May from Seoul to Washington, returning Tue, 19 May, priced at ฿40,690 found 6 days ago
Air Canada
Thu, 14 May - Tue, 19 May
ICN
Seoul
IAD
Washington
฿41,120 Return, found 6 days ago
฿41,120
Return
found 6 days ago
Select Air Canada flight, departing Thu, 14 May from Seoul to Washington, returning Tue, 19 May, priced at ฿41,120 found 6 days ago
Korean Air
Thu, 29 Jan - Wed, 4 Feb
ICN
Seoul
IAD
Washington
฿41,425 Return, found 6 days ago
฿41,425
Return
found 6 days ago
Select Korean Air flight, departing Thu, 29 Jan from Seoul to Washington, returning Wed, 4 Feb, priced at ฿41,425 found 6 days ago
Turkish Airlines
Thu, 29 Jan - Wed, 4 Feb
ICN
Seoul
IAD
Washington
฿47,325 Return, found 6 days ago
฿47,325
Return
found 6 days ago
Select Turkish Airlines flight, departing Thu, 29 Jan from Seoul to Washington, returning Wed, 4 Feb, priced at ฿47,325 found 6 days 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.

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 ฿25,755. 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.

Travel information

Origin airport
Incheon Intl.
Destination airport
Washington Dulles Intl.
Return price
฿25,755
Distance
11108 km
Average flight time
13 hours 35 mins

Book with confidence

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 ฿24,110 and roundtrip prices from ฿25,755. 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.
 
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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.
Perfect flights from Seoul to Washington
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