฿28,320 Cheap United flights from Washington to Seoul (IAD→ICN)

View ฿28,320 flight on Thu, 15 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 ฿28,320 for one-way flights and ฿48,655 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 15 Jan - Wed, 28 Jan
IAD
Washington
ICN
Seoul
฿48,655 Return, just found
฿48,655
Return
just found
Select United flight, departing Thu, 15 Jan from Washington to Seoul, returning Wed, 28 Jan, priced at ฿48,655 just found

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

March is typically the cheapest month to fly

From ฿27,225 - ฿54,619 per traveller.
Flight from Washington to Seoul route information
Origin airport
Washington Dulles Intl.
Destination airport
Incheon Intl.
Distance
11108 km
Average flight time
15 hours 50 mins
*Available to Expedia members.