S$865 Cheap Flights from Seoul to Washington

View S$865 flight on Fri, 11 Sept, 2026Opens 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$865 for one-way flights and S$1,461 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 18 Jan - Wed, 24 Feb
ICN
Seoul
IAD
Washington
S$1,461 Return, found 6 days ago
S$1,461
Return
found 6 days ago
Select United flight, departing Mon, 18 Jan from Seoul to Washington, returning Wed, 24 Feb, priced at S$1,461 found 6 days ago
United
Mon, 28 Sept - Mon, 5 Oct
ICN
Seoul
IAD
Washington
S$1,463 Return, found 5 days ago
S$1,463
Return
found 5 days ago
Select United flight, departing Mon, 28 Sept from Seoul to Washington, returning Mon, 5 Oct, priced at S$1,463 found 5 days ago
United
Mon, 18 Jan - Wed, 24 Feb
ICN
Seoul
IAD
Washington
S$1,573 Return, found 6 days ago
S$1,573
Return
found 6 days ago
Select United flight, departing Mon, 18 Jan from Seoul to Washington, returning Wed, 24 Feb, priced at S$1,573 found 6 days ago
Turkish Airlines
Tue, 2 Feb - Thu, 11 Feb
ICN
Seoul
IAD
Washington
S$1,704 Return, found 23 hours ago
S$1,704
Return
found 23 hours ago
Select Turkish Airlines flight, departing Tue, 2 Feb from Seoul to Washington, returning Thu, 11 Feb, priced at S$1,704 found 23 hours ago
United
Mon, 28 Sept - Mon, 5 Oct
ICN
Seoul
IAD
Washington
S$1,795 Return, found 5 days ago
S$1,795
Return
found 5 days ago
Select United flight, departing Mon, 28 Sept from Seoul to Washington, returning Mon, 5 Oct, priced at S$1,795 found 5 days ago
American Airlines
Wed, 24 Mar - Wed, 31 Mar
ICN
Seoul
IAD
Washington
S$1,811 Return, found 23 hours ago
S$1,811
Return
found 23 hours ago
Select American Airlines flight, departing Wed, 24 Mar from Seoul to Washington, returning Wed, 31 Mar, priced at S$1,811 found 23 hours ago
American Airlines
Mon, 28 Sept - Mon, 5 Oct
ICN
Seoul
IAD
Washington
S$1,817 Return, found 5 days ago
S$1,817
Return
found 5 days ago
Select American Airlines flight, departing Mon, 28 Sept from Seoul to Washington, returning Mon, 5 Oct, priced at S$1,817 found 5 days ago
Qatar Airways
Mon, 18 Jan - Wed, 24 Feb
ICN
Seoul
IAD
Washington
S$1,849 Return, found 6 days ago
S$1,849
Return
found 6 days ago
Select Qatar Airways flight, departing Mon, 18 Jan from Seoul to Washington, returning Wed, 24 Feb, priced at S$1,849 found 6 days ago
Lufthansa
Wed, 18 Nov - Wed, 25 Nov
ICN
Seoul
IAD
Washington
S$1,946 Return, found 23 hours ago
S$1,946
Return
found 23 hours ago
Select Lufthansa flight, departing Wed, 18 Nov from Seoul to Washington, returning Wed, 25 Nov, priced at S$1,946 found 23 hours ago
Asiana Airlines
Mon, 28 Sept - Mon, 5 Oct
ICN
Seoul
IAD
Washington
S$1,964 Return, found 5 days ago
S$1,964
Return
found 5 days ago
Select Asiana Airlines flight, departing Mon, 28 Sept from Seoul to Washington, returning Mon, 5 Oct, priced at S$1,964 found 5 days ago

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

September is typically the cheapest month to fly

From S$1,461 - S$2,096 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$1,461. 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, American Airlines, Delta, EVA Airways, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Return price
S$1,460
Distance
11108 km

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*Note: Prices may vary based on availability and are subject to change.
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