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

Monday, December 7th, 2026

7 round-trip options

Returning
Sat, Dec 12, 2026•5 Day Trip
$721 USD
Google Flights
Returning
Sun, Dec 13, 2026•6 Day Trip
$721 USD
Google Flights
Returning
Mon, Dec 14, 2026•7 Day Trip
$721 USD
Google Flights
Returning
Thu, Dec 17, 2026•10 Day Trip
$721 USD
Google Flights
Returning
Fri, Dec 18, 2026•11 Day Trip
$721 USD
Google Flights
Returning
Sat, Dec 19, 2026•12 Day Trip
$721 USD
Google Flights
Returning
Sun, Dec 20, 2026•13 Day Trip
$721 USD
Google Flights