SFO to ICN from $721 in economy

UAUnited Airlines

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

ICN

Incheon International Airport

Seoul, South Korea

$966 USD

-25%$721 USD

Verified 13 days ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$721 1$721 2$721 3$831 4$859 5$721 6$721 7$721 8$721 9$721 10$721 11$721 12$721 13$721 14$721 15$721 16$721 17$721 18$721 19$721 20$721 21$721 22$721 23$721 24$721 25$721 26$721 27$721 28$721 29$721 30$721 1$853 2$1,181 3$855 4$721

Great Availability

65% of dates checked are available within 10% of the lowest price

Friday, September 4th, 2026

7 round-trip options

Returning

Wed, Sep 9, 2026•5 Day Trip

$859 USD

Google Flights

Returning

Thu, Sep 10, 2026•6 Day Trip

$859 USD

Google Flights

Returning

Fri, Sep 11, 2026•7 Day Trip

$859 USD

Google Flights

Returning

Sun, Sep 13, 2026•9 Day Trip

$871 USD

Google Flights

Returning

Mon, Sep 14, 2026•10 Day Trip

$871 USD

Google Flights

Returning

Tue, Sep 15, 2026•11 Day Trip

$871 USD

Google Flights

Returning

Fri, Sep 18, 2026•14 Day Trip

$871 USD

Google Flights

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

San Francisco International Airport

Incheon International Airport

September 2026

Friday, September 4th, 2026