BWI to SFO from $317 in economy

UAUnited Airlines

Round Trip•Economy

BWI

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States

SFO

San Francisco International Airport

San Francisco, United States

$465 USD

-32%$317 USD

Verified about 18 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$668 1$467 2$360 3$317 4$382 5$317 6$417 7$317 8$317 9$317 10$317 11$382 12$317 13$427 14$382 15$412 16$327 17$431 18$504 19$507 20$417 21$477 22$474 23$535 24$400 25$392 26$545 27$672 28$499 29$481 30$427 31$346 1$474 2$580 3$534

Fair Availability

25% of dates checked are available within 10% of the lowest price

Tuesday, December 8th, 2026

6 round-trip options

Returning

Sun, Dec 13, 2026•5 Day Trip

$417 USD

Google Flights

Returning

Mon, Dec 14, 2026•6 Day Trip

$317 USD

Google Flights

Returning

Tue, Dec 15, 2026•7 Day Trip

$317 USD

Google Flights

Returning

Sat, Dec 19, 2026•11 Day Trip

$535 USD

Google Flights

Returning

Sun, Dec 20, 2026•12 Day Trip

$427 USD

Google Flights

Returning

Mon, Dec 21, 2026•13 Day Trip

$423 USD

Google Flights

Baltimore-Washington (BWI) to San Francisco (SFO) flight deal in economy from $317

Baltimore/Washington International Thurgood Marshall Ai

San Francisco International Airport

December 2026

Tuesday, December 8th, 2026