฿17,950 Cheap Flights from Seoul (ICN) to Washington (IAD)

View ฿17,950 flight on Fri, 8 May 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 ฿17,950 for one-way flights and ฿44,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Mon, 18 May - Wed, 3 Jun
ICN
Seoul
IAD
Washington
฿44,200 Return, found 4 days ago
฿44,200
Return
found 4 days ago
Select Qatar Airways flight, departing Mon, 18 May from Seoul to Washington, returning Wed, 3 Jun, priced at ฿44,200 found 4 days ago
Asiana Airlines
Mon, 18 May - Wed, 3 Jun
ICN
Seoul
IAD
Washington
฿53,550 Return, found 4 days ago
฿53,550
Return
found 4 days ago
Select Asiana Airlines flight, departing Mon, 18 May from Seoul to Washington, returning Wed, 3 Jun, priced at ฿53,550 found 4 days ago
Emirates
Mon, 18 May - Wed, 3 Jun
ICN
Seoul
IAD
Washington
฿53,750 Return, found 4 days ago
฿53,750
Return
found 4 days ago
Select Emirates flight, departing Mon, 18 May from Seoul to Washington, returning Wed, 3 Jun, priced at ฿53,750 found 4 days ago
Lufthansa
Mon, 18 May - Wed, 3 Jun
ICN
Seoul
IAD
Washington
฿58,565 Return, found 4 days ago
฿58,565
Return
found 4 days ago
Select Lufthansa flight, departing Mon, 18 May from Seoul to Washington, returning Wed, 3 Jun, priced at ฿58,565 found 4 days ago
Air Canada
Mon, 18 May - Wed, 3 Jun
ICN
Seoul
IAD
Washington
฿61,465 Return, found 4 days ago
฿61,465
Return
found 4 days ago
Select Air Canada flight, departing Mon, 18 May from Seoul to Washington, returning Wed, 3 Jun, priced at ฿61,465 found 4 days ago
Ethiopian Airlines
Mon, 18 May - Wed, 3 Jun
ICN
Seoul
IAD
Washington
฿65,230 Return, found 4 days ago
฿65,230
Return
found 4 days ago
Select Ethiopian Airlines flight, departing Mon, 18 May from Seoul to Washington, returning Wed, 3 Jun, priced at ฿65,230 found 4 days ago
Turkish Airlines
Mon, 18 May - Wed, 3 Jun
ICN
Seoul
IAD
Washington
฿66,385 Return, found 4 days ago
฿66,385
Return
found 4 days ago
Select Turkish Airlines flight, departing Mon, 18 May from Seoul to Washington, returning Wed, 3 Jun, priced at ฿66,385 found 4 days ago
Air France
Mon, 18 May - Wed, 3 Jun
ICN
Seoul
IAD
Washington
฿97,800 Return, found 4 days ago
฿97,800
Return
found 4 days ago
Select Air France flight, departing Mon, 18 May from Seoul to Washington, returning Wed, 3 Jun, priced at ฿97,800 found 4 days ago

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

September is typically the cheapest month to fly

From ฿21,017 - ฿36,248 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 ฿44,200. 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
฿44,200
Distance
11108 km
*Available to Expedia members.