฿29,335 Cheap Flights from Seoul (ICN) to Washington (IAD)

View ฿29,335 flight on Thu, 4 Jun 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 ฿29,335 for one-way flights and ฿37,205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 16 Sept - Wed, 23 Sept
ICN
Seoul
IAD
Washington
฿37,205 Return, found 5 days ago
฿37,205
Return
found 5 days ago
Select United flight, departing Wed, 16 Sept from Seoul to Washington, returning Wed, 23 Sept, priced at ฿37,205 found 5 days ago
United
Wed, 16 Sept - Wed, 23 Sept
ICN
Seoul
IAD
Washington
฿40,040 Return, found 5 days ago
฿40,040
Return
found 5 days ago
Select United flight, departing Wed, 16 Sept from Seoul to Washington, returning Wed, 23 Sept, priced at ฿40,040 found 5 days ago
American Airlines
Wed, 30 Sept - Wed, 14 Oct
ICN
Seoul
IAD
Washington
฿46,225 Return, found 4 days ago
฿46,225
Return
found 4 days ago
Select American Airlines flight, departing Wed, 30 Sept from Seoul to Washington, returning Wed, 14 Oct, priced at ฿46,225 found 4 days ago
United
Wed, 16 Sept - Wed, 23 Sept
ICN
Seoul
IAD
Washington
฿46,905 Return, found 5 days ago
฿46,905
Return
found 5 days ago
Select United flight, departing Wed, 16 Sept from Seoul to Washington, returning Wed, 23 Sept, priced at ฿46,905 found 5 days ago
Singapore Airlines
Wed, 30 Sept - Wed, 14 Oct
ICN
Seoul
IAD
Washington
฿48,180 Return, found 4 days ago
฿48,180
Return
found 4 days ago
Select Singapore Airlines flight, departing Wed, 30 Sept from Seoul to Washington, returning Wed, 14 Oct, priced at ฿48,180 found 4 days ago
Asiana Airlines
Wed, 16 Sept - Wed, 23 Sept
ICN
Seoul
IAD
Washington
฿49,955 Return, found 5 days ago
฿49,955
Return
found 5 days ago
Select Asiana Airlines flight, departing Wed, 16 Sept from Seoul to Washington, returning Wed, 23 Sept, priced at ฿49,955 found 5 days ago
Air Canada
Wed, 16 Sept - Wed, 23 Sept
ICN
Seoul
IAD
Washington
฿50,280 Return, found 5 days ago
฿50,280
Return
found 5 days ago
Select Air Canada flight, departing Wed, 16 Sept from Seoul to Washington, returning Wed, 23 Sept, priced at ฿50,280 found 5 days ago
United
Wed, 30 Sept - Wed, 14 Oct
ICN
Seoul
IAD
Washington
฿51,270 Return, found 4 days ago
฿51,270
Return
found 4 days ago
Select United flight, departing Wed, 30 Sept from Seoul to Washington, returning Wed, 14 Oct, priced at ฿51,270 found 4 days ago
Air Canada
Wed, 16 Sept - Wed, 23 Sept
ICN
Seoul
IAD
Washington
฿52,000 Return, found 5 days ago
฿52,000
Return
found 5 days ago
Select Air Canada flight, departing Wed, 16 Sept from Seoul to Washington, returning Wed, 23 Sept, priced at ฿52,000 found 5 days ago
Turkish Airlines
Thu, 4 Jun - Mon, 8 Jun
ICN
Seoul
IAD
Washington
฿52,500 Return, found 3 days ago
฿52,500
Return
found 3 days ago
Select Turkish Airlines flight, departing Thu, 4 Jun from Seoul to Washington, returning Mon, 8 Jun, priced at ฿52,500 found 3 days ago

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

September is typically the cheapest month to fly

From ฿37,154 - ฿53,313 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 ฿37,205. 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.
Return price
฿37,205
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 ฿29,335 and roundtrip prices from ฿37,205. 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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