฿28,625 Cheap United flights from Washington to Seoul (IAD→ICN)

View ฿28,625 flight on Thu, 29 Jan 2026Opens in a new window

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United flights from Washington to Seoul (IAD→ICN)

Prices were available within the past 7 days and start at ฿28,625 for one-way flights and ฿49,180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 29 Jan - Wed, 11 Feb
IAD
Washington
ICN
Seoul
฿49,180 Return, found 1 day ago
฿49,180
Return
found 1 day ago
Select United flight, departing Thu, 29 Jan from Washington to Seoul, returning Wed, 11 Feb, priced at ฿49,180 found 1 day ago
United
Thu, 29 Jan - Wed, 11 Feb
IAD
Washington
ICN
Seoul
฿50,760 Return, found 1 day ago
฿50,760
Return
found 1 day ago
Select United flight, departing Thu, 29 Jan from Washington to Seoul, returning Wed, 11 Feb, priced at ฿50,760 found 1 day ago

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

March is typically the cheapest month to fly

From ฿27,612 - ฿55,066 per traveller.
Flight from Washington to Seoul route information
Origin airport
Washington Dulles Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air France, Asiana Airlines, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Popular airline
Turkish Airlines
Distance
11108 km
Average flight time
15 hours 50 mins
*Available to Expedia members.