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 14 days ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$691 1$399 2$295 3$327 4$327 5$327 6$327 7$327 8$295 9$295 10$327 11$327 12$359 13$359 14$359 15$327 16$327 17$359 18$468 19$478 20$359 21$359 22$359 23$359 24$359 25$359 26$780 27$804 28$784 29$773 30$685 31$514 1$673 2$725 3$606

Limited Availability

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

Tuesday, December 15th, 2026

7 round-trip options

Returning

Sun, Dec 20, 2026•5 Day Trip

$527 USD

Google Flights

Returning

Tue, Dec 22, 2026•7 Day Trip

$653 USD

Google Flights

Returning

Wed, Dec 23, 2026•8 Day Trip

$419 USD

Google Flights

Returning

Thu, Dec 24, 2026•9 Day Trip

$327 USD

Google Flights

Returning

Sat, Dec 26, 2026•11 Day Trip

$466 USD

Google Flights

Returning

Mon, Dec 28, 2026•13 Day Trip

$446 USD

Google Flights

Returning

Tue, Dec 29, 2026•14 Day Trip

$327 USD

Google Flights

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

Buffalo Niagara International Airport

San Francisco International Airport

December 2026

Tuesday, December 15th, 2026