฿30,910 Cheap United flights from Washington to Seoul (IAD→ICN)

View ฿30,910 flight on Thu, 16 Apr 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 ฿30,910 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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.
Airlines serving
Air France, Delta, Emirates, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines
Popular airline
KLM
Distance
11108 km
Average flight time
15 hours 50 mins
*Available to Expedia members.