฿14,175 Cheap United flights from Seattle to Seoul (SEA→ICN)

View ฿14,175 flight on Thu, 29 Jan 2026Opens in a new window
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United flights from Seattle to Seoul (SEA→ICN)

Prices were available within the past 7 days and start at ฿14,175 for one-way flights and ฿27,830 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 17 Jan - Fri, 30 Jan
SEA
Seattle
ICN
Seoul
฿27,830 Return, found 7 hours ago
฿27,830
Return
found 7 hours ago
Select United flight, departing Sat, 17 Jan from Seattle to Seoul, returning Fri, 30 Jan, priced at ฿27,830 found 7 hours ago
United
Thu, 15 Jan - Wed, 28 Jan
SEA
Seattle
ICN
Seoul
฿28,130 Return, found 6 days ago
฿28,130
Return
found 6 days ago
Select United flight, departing Thu, 15 Jan from Seattle to Seoul, returning Wed, 28 Jan, priced at ฿28,130 found 6 days ago

Find the cheapest month to fly from Seattle (SEA) to Seoul (ICN)

November is typically the cheapest month to fly

From ฿22,429 - ฿27,008 per traveller.
Flight from Seattle to Seoul route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Korean Air, Philippine Airlines, United, WestJet
Popular airline
EVA Airways
Distance
8326 km
Average flight time
29 hours 1 min
*Available to Expedia members.