฿14,145 Cheap Flights from Seoul (ICN) to Washington (IAD)

View ฿14,145 flight on Wed, 15 Oct 2025Opens 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 ฿14,145 for one-way flights and ฿16,250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 18 Feb - Wed, 25 Feb
ICN
Seoul
IAD
Washington
฿16,250 Return, found 3 hours ago
฿16,250
Return
found 3 hours ago
Select United flight, departing Wed, 18 Feb from Seoul to Washington, returning Wed, 25 Feb, priced at ฿16,250 found 3 hours ago
Air Canada
Tue, 23 Dec - Sat, 3 Jan
ICN
Seoul
IAD
Washington
฿16,415 Return, found 5 days ago
฿16,415
Return
found 5 days ago
Select Air Canada flight, departing Tue, 23 Dec from Seoul to Washington, returning Sat, 3 Jan, priced at ฿16,415 found 5 days ago
American Airlines
Fri, 17 Oct - Sun, 26 Oct
ICN
Seoul
IAD
Washington
฿22,435 Return, found 6 days ago
฿22,435
Return
found 6 days ago
Select American Airlines flight, departing Fri, 17 Oct from Seoul to Washington, returning Sun, 26 Oct, priced at ฿22,435 found 6 days ago
American Airlines
Wed, 3 Dec - Wed, 10 Dec
ICN
Seoul
IAD
Washington
฿22,440 Return, found 2 days ago
฿22,440
Return
found 2 days ago
Select American Airlines flight, departing Wed, 3 Dec from Seoul to Washington, returning Wed, 10 Dec, priced at ฿22,440 found 2 days ago
American Airlines
Sat, 18 Oct - Sun, 26 Oct
ICN
Seoul
IAD
Washington
฿23,590 Return, found 6 days ago
฿23,590
Return
found 6 days ago
Select American Airlines flight, departing Sat, 18 Oct from Seoul to Washington, returning Sun, 26 Oct, priced at ฿23,590 found 6 days ago
American Airlines
Tue, 3 Feb - Sat, 14 Feb
ICN
Seoul
IAD
Washington
฿24,560 Return, found 6 days ago
฿24,560
Return
found 6 days ago
Select American Airlines flight, departing Tue, 3 Feb from Seoul to Washington, returning Sat, 14 Feb, priced at ฿24,560 found 6 days ago
Air Canada
Fri, 17 Oct - Sun, 26 Oct
ICN
Seoul
IAD
Washington
฿25,975 Return, found 6 days ago
฿25,975
Return
found 6 days ago
Select Air Canada flight, departing Fri, 17 Oct from Seoul to Washington, returning Sun, 26 Oct, priced at ฿25,975 found 6 days ago
Asiana Airlines
Wed, 18 Feb - Wed, 25 Feb
ICN
Seoul
IAD
Washington
฿34,405 Return, found 3 hours ago
฿34,405
Return
found 3 hours ago
Select Asiana Airlines flight, departing Wed, 18 Feb from Seoul to Washington, returning Wed, 25 Feb, priced at ฿34,405 found 3 hours ago
Delta
Tue, 23 Dec - Sat, 3 Jan
ICN
Seoul
IAD
Washington
฿42,360 Return, found 5 days ago
฿42,360
Return
found 5 days ago
Select Delta flight, departing Tue, 23 Dec from Seoul to Washington, returning Sat, 3 Jan, priced at ฿42,360 found 5 days ago
Korean Air
Wed, 18 Feb - Wed, 25 Feb
ICN
Seoul
IAD
Washington
฿43,110 Return, found 3 hours ago
฿43,110
Return
found 3 hours ago
Select Korean Air flight, departing Wed, 18 Feb from Seoul to Washington, returning Wed, 25 Feb, priced at ฿43,110 found 3 hours ago

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

September is typically the cheapest month to fly

From ฿13,962 - ฿32,868 per traveller.
Flight from Seoul to Washington route information
Origin airport
Incheon Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, American Airlines, Asiana Airlines, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Return price
฿16,250
Distance
11108 km
Average flight time
14 hours 30 mins

Perfect flights from Seoul to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seoul to Washington. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Chantilly, 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 ฿14,145 and roundtrip prices from ฿16,250. 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 Chantilly 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 ICN to IAD 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 ฿16,250. 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.

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