BUF to SFO from $289 in economy

AAAmerican Airlines

Round Trip•Economy

BUF

Buffalo Niagara International Airport

Buffalo, United States

SFO

San Francisco International Airport

San Francisco, United States

$437 USD

-34%$289 USD

Verified 13 days ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$327 1$289 2$289 3$295 4$295 5$292 6$295 7$374 8$369 9$295 10$295 11$295 12$295 13$374 14$374 15$295 16$295 17$295 18$295 19$295 20$374 21$374 22$295 23$295 24$295 25$295 26$295 27$374 28$374 29$295 30$295 1$295 2$327 3$327 4$421

Limited Availability

14% of dates checked are available within 10% of the lowest price

Monday, September 14th, 2026

6 round-trip options

Returning

Sun, Sep 20, 2026•6 Day Trip

$374 USD

Google Flights

Returning

Mon, Sep 21, 2026•7 Day Trip

$374 USD

Google Flights

Returning

Tue, Sep 22, 2026•8 Day Trip

$374 USD

Google Flights

Returning

Wed, Sep 23, 2026•9 Day Trip

$374 USD

Google Flights

Returning

Fri, Sep 25, 2026•11 Day Trip

$374 USD

Google Flights

Returning

Sun, Sep 27, 2026•13 Day Trip

$374 USD

Google Flights

Buffalo (BUF) to San Francisco (SFO) flight deal in economy from $289

Buffalo Niagara International Airport

San Francisco International Airport

September 2026

Monday, September 14th, 2026