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฿14,830 Cheap Flights from Seoul (ICN) to Washington (IAD)

View ฿14,830 flight on Fri, 25 Sept 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 ฿14,830 for one-way flights and ฿41,765 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 2 Dec - Wed, 30 Dec
ICN
Seoul
IAD
Washington
฿41,765 Return, found 3 days ago
฿41,765
Return
found 3 days ago
Select United flight, departing Wed, 2 Dec from Seoul to Washington, returning Wed, 30 Dec, priced at ฿41,765 found 3 days ago
Turkish Airlines
Fri, 18 Dec - Wed, 30 Dec
ICN
Seoul
IAD
Washington
฿41,870 Return, found 2 days ago
฿41,870
Return
found 2 days ago
Select Turkish Airlines flight, departing Fri, 18 Dec from Seoul to Washington, returning Wed, 30 Dec, priced at ฿41,870 found 2 days ago
United
Fri, 18 Dec - Wed, 30 Dec
ICN
Seoul
IAD
Washington
฿42,190 Return, found 2 days ago
฿42,190
Return
found 2 days ago
Select United flight, departing Fri, 18 Dec from Seoul to Washington, returning Wed, 30 Dec, priced at ฿42,190 found 2 days ago
Air Canada
Sun, 6 Jun - Wed, 16 Jun
ICN
Seoul
IAD
Washington
฿42,315 Return, found 1 day ago
฿42,315
Return
found 1 day ago
Select Air Canada flight, departing Sun, 6 Jun from Seoul to Washington, returning Wed, 16 Jun, priced at ฿42,315 found 1 day ago
Air Canada
Wed, 2 Dec - Wed, 30 Dec
ICN
Seoul
IAD
Washington
฿42,870 Return, found 3 days ago
฿42,870
Return
found 3 days ago
Select Air Canada flight, departing Wed, 2 Dec from Seoul to Washington, returning Wed, 30 Dec, priced at ฿42,870 found 3 days ago
Turkish Airlines
Wed, 2 Dec - Wed, 30 Dec
ICN
Seoul
IAD
Washington
฿43,130 Return, found 3 days ago
฿43,130
Return
found 3 days ago
Select Turkish Airlines flight, departing Wed, 2 Dec from Seoul to Washington, returning Wed, 30 Dec, priced at ฿43,130 found 3 days ago
EVA Airways
Wed, 2 Dec - Wed, 30 Dec
ICN
Seoul
IAD
Washington
฿48,385 Return, found 3 days ago
฿48,385
Return
found 3 days ago
Select EVA Airways flight, departing Wed, 2 Dec from Seoul to Washington, returning Wed, 30 Dec, priced at ฿48,385 found 3 days ago
American Airlines
Wed, 2 Sept - Thu, 24 Sept
ICN
Seoul
IAD
Washington
฿49,880 Return, found 3 days ago
฿49,880
Return
found 3 days ago
Select American Airlines flight, departing Wed, 2 Sept from Seoul to Washington, returning Thu, 24 Sept, priced at ฿49,880 found 3 days ago
Lufthansa
Wed, 2 Dec - Wed, 30 Dec
ICN
Seoul
IAD
Washington
฿52,555 Return, found 3 days ago
฿52,555
Return
found 3 days ago
Select Lufthansa flight, departing Wed, 2 Dec from Seoul to Washington, returning Wed, 30 Dec, priced at ฿52,555 found 3 days ago
Delta
Wed, 2 Dec - Wed, 30 Dec
ICN
Seoul
IAD
Washington
฿52,765 Return, found 3 days ago
฿52,765
Return
found 3 days ago
Select Delta flight, departing Wed, 2 Dec from Seoul to Washington, returning Wed, 30 Dec, priced at ฿52,765 found 3 days ago

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

February is typically the cheapest month to fly

From ฿15,896 - ฿37,613 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 ฿41,765. 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

0
Origin airport
Incheon Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, United
Return price
฿41,765
Distance
11108 km

Book with confidence

Perfect flights from Seoul to Washington

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Our flexible Incheon Intl. to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿14,830 and roundtrip prices from ฿41,765. 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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