$638 Cheap Alaska Airlines flights San Francisco (SFO) to Seoul (ICN)

View $638 flight on Thu, Mar 26, 2026Opens in a new window

$638 Cheap Alaska Airlines flights San Francisco (SFO) to Seoul (ICN)

Prices were available within the past 7 days and start at $638 for one-way flights and $1,176 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Mar 5 - Fri, Mar 6
SFO
San Francisco
ICN
Seoul
$1,176 Roundtrip, found 13 hours ago
$1,176
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Thu, Mar 5 from San Francisco to Seoul, returning Fri, Mar 6, priced at $1,176 found 13 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Seoul (ICN)

May is typically the cheapest month to fly

From $626 - $1,109 per traveler.
Flights from San Francisco (SFO) to Seoul (ICN)
Origin airport
San Francisco Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air China, Air Premia, Alaska Airlines, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Delta, EVA Airways, Hawaiian Airlines, Korean Air, Philippine Airlines, United, Vietnam Airlines
Popular airline
Cathay Pacific
Distance
9032 km
Average flight time
29 hours 57 mins