S$883 Cheap Flights from Seoul to Washington

View S$883 flight on Wed, 15 Oct, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Seoul to Washington (ICN-IAD)

Prices were available within the past 7 days and start at S$883 for one-way flights and S$645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 4 Nov - Tue, 11 Nov
ICN
Seoul
IAD
Washington
S$645 Return, found 5 days ago
S$645
Return
found 5 days ago
Select United flight, departing Tue, 4 Nov from Seoul to Washington, returning Tue, 11 Nov, priced at S$645 found 5 days ago
Air Canada
Sun, 9 Nov - Sat, 15 Nov
ICN
Seoul
IAD
Washington
S$653 Return, found 10 hours ago
S$653
Return
found 10 hours ago
Select Air Canada flight, departing Sun, 9 Nov from Seoul to Washington, returning Sat, 15 Nov, priced at S$653 found 10 hours ago
Air Canada
Sat, 18 Oct - Tue, 21 Oct
ICN
Seoul
IAD
Washington
S$776 Return, found 12 hours ago
S$776
Return
found 12 hours ago
Select Air Canada flight, departing Sat, 18 Oct from Seoul to Washington, returning Tue, 21 Oct, priced at S$776 found 12 hours ago
American Airlines
Wed, 15 Oct - Wed, 22 Oct
ICN
Seoul
IAD
Washington
S$891 Return, found 12 hours ago
S$891
Return
found 12 hours ago
Select American Airlines flight, departing Wed, 15 Oct from Seoul to Washington, returning Wed, 22 Oct, priced at S$891 found 12 hours ago
American Airlines
Thu, 6 Nov - Mon, 10 Nov
ICN
Seoul
IAD
Washington
S$892 Return, found 2 days ago
S$892
Return
found 2 days ago
Select American Airlines flight, departing Thu, 6 Nov from Seoul to Washington, returning Mon, 10 Nov, priced at S$892 found 2 days ago
United
Wed, 15 Oct - Wed, 22 Oct
ICN
Seoul
IAD
Washington
S$919 Return, found 12 hours ago
S$919
Return
found 12 hours ago
Select United flight, departing Wed, 15 Oct from Seoul to Washington, returning Wed, 22 Oct, priced at S$919 found 12 hours ago
United
Thu, 6 Nov - Mon, 10 Nov
ICN
Seoul
IAD
Washington
S$920 Return, found 2 days ago
S$920
Return
found 2 days ago
Select United flight, departing Thu, 6 Nov from Seoul to Washington, returning Mon, 10 Nov, priced at S$920 found 2 days ago
American Airlines
Sat, 18 Oct - Tue, 21 Oct
ICN
Seoul
IAD
Washington
S$937 Return, found 12 hours ago
S$937
Return
found 12 hours ago
Select American Airlines flight, departing Sat, 18 Oct from Seoul to Washington, returning Tue, 21 Oct, priced at S$937 found 12 hours ago
Asiana Airlines
Tue, 4 Nov - Tue, 11 Nov
ICN
Seoul
IAD
Washington
S$1,367 Return, found 5 days ago
S$1,367
Return
found 5 days ago
Select Asiana Airlines flight, departing Tue, 4 Nov from Seoul to Washington, returning Tue, 11 Nov, priced at S$1,367 found 5 days ago
Delta
Thu, 6 Nov - Mon, 10 Nov
ICN
Seoul
IAD
Washington
S$1,686 Return, found 2 days ago
S$1,686
Return
found 2 days ago
Select Delta flight, departing Thu, 6 Nov from Seoul to Washington, returning Mon, 10 Nov, priced at S$1,686 found 2 days ago

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

September is typically the cheapest month to fly

From S$555 - S$1,306 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 S$645. 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

Travel information

Origin airport
Incheon Intl.
Destination airport
Washington Dulles Intl.
Return price
S$644
Distance
11108 km
Average flight time
14 hours 30 mins

Book with confidence

Book with confidence

Perfect flights from Seoul to Washington

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Seoul to Washington

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