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 28th, 2026

7 round-trip options

Returning
Sat, Jan 2, 2027•5 Day Trip
$1,601 USD
Google Flights
Returning
Sun, Jan 3, 2027•6 Day Trip
$1,726 USD
Google Flights
Returning
Mon, Jan 4, 2027•7 Day Trip
$1,551 USD
Google Flights
Returning
Thu, Jan 7, 2027•10 Day Trip
$1,316 USD
Google Flights
Returning
Fri, Jan 8, 2027•11 Day Trip
$1,366 USD
Google Flights
Returning
Sat, Jan 9, 2027•12 Day Trip
$1,366 USD
Google Flights
Returning
Sun, Jan 10, 2027•13 Day Trip
$1,366 USD
Google Flights