San Francisco (SFO) to Seoul (ICN) flight deal in economy from $721

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSFO

San Francisco International Airport

San Francisco, United States
South KoreaICN

Incheon International Airport

Seoul, South Korea
$966 USD
-25%$721 USD
Verified 14 days ago
Great Availability
65% of dates checked are available within 10% of the lowest price

Sunday, December 20th, 2026

7 round-trip options

Returning
Fri, Dec 25, 2026•5 Day Trip
$1,681 USD
Google Flights
Returning
Sat, Dec 26, 2026•6 Day Trip
$1,681 USD
Google Flights
Returning
Sun, Dec 27, 2026•7 Day Trip
$1,492 USD
Google Flights
Returning
Wed, Dec 30, 2026•10 Day Trip
$1,814 USD
Google Flights
Returning
Thu, Dec 31, 2026•11 Day Trip
$1,962 USD
Google Flights
Returning
Fri, Jan 1, 2027•12 Day Trip
$2,112 USD
Google Flights
Returning
Sat, Jan 2, 2027•13 Day Trip
$2,222 USD
Google Flights