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

Wednesday, December 23rd, 2026

7 round-trip options

Returning
Mon, Dec 28, 2026•5 Day Trip
$1,631 USD
Google Flights
Returning
Tue, Dec 29, 2026•6 Day Trip
$1,660 USD
Google Flights
Returning
Wed, Dec 30, 2026•7 Day Trip
$1,830 USD
Google Flights
Returning
Sat, Jan 2, 2027•10 Day Trip
$1,946 USD
Google Flights
Returning
Sun, Jan 3, 2027•11 Day Trip
$2,131 USD
Google Flights
Returning
Mon, Jan 4, 2027•12 Day Trip
$1,864 USD
Google Flights
Returning
Tue, Jan 5, 2027•13 Day Trip
$1,716 USD
Google Flights