$1,131 Cheap United flights San Francisco (SFO) to Seoul (ICN)

View $1,131 flight on Mon, Oct 12, 2026Opens in a new window

$1,131 Cheap United flights San Francisco (SFO) to Seoul (ICN)

Prices were available within the past 7 days and start at $1,131 for one-way flights and $662 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Apr 23 - Sat, May 9
SFO
San Francisco
ICN
Seoul
$662 Roundtrip, found 1 day ago
$662
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 23 from San Francisco to Seoul, returning Sat, May 9, priced at $662 found 1 day ago
United
Mon, Oct 12 - Sat, Nov 7
SFO
San Francisco
ICN
Seoul
$710 Roundtrip, found 1 day ago
$710
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 12 from San Francisco to Seoul, returning Sat, Nov 7, priced at $710 found 1 day ago
United
Mon, Oct 12 - Sat, Nov 7
SFO
San Francisco
ICN
Seoul
$910 Roundtrip, found 1 day ago
$910
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 12 from San Francisco to Seoul, returning Sat, Nov 7, priced at $910 found 1 day ago
United
Mon, Oct 12 - Sat, Nov 7
SFO
San Francisco
ICN
Seoul
$1,052 Roundtrip, found 1 day ago
$1,052
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 12 from San Francisco to Seoul, returning Sat, Nov 7, priced at $1,052 found 1 day ago
United
Mon, Oct 12 - Sat, Nov 7
SFO
San Francisco
ICN
Seoul
$1,062 Roundtrip, found 1 day ago
$1,062
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 12 from San Francisco to Seoul, returning Sat, Nov 7, priced at $1,062 found 1 day ago

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $895
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $895

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.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air Premia, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Delta, EVA Airways, Korean Air, Philippine Airlines, United, Vietnam Airlines
Popular airline
Air Canada
Distance
9032 km
Average flight time
28 hours 45 mins

Explore a world of travel with Expedia