SFO to BWI from $317 in economy

UAUnited Airlines

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

BWI

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States

$443 USD

-28%$317 USD

Verified about 9 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$317 1$317 2$317 3$323 4$382 5$317 6$417 7$342 8$323 9$317 10$323 11$392 12$317 13$417 14$317 15$317 16$323 17$323 18$382 19$317 20$417 21$317 22$317 23$323 24$327 25$382 26$317 27$400 28$317 29$317 30$317 1$327 2$382 3$317 4$417

Fair Availability

29% of dates checked are available within 10% of the lowest price

Tuesday, September 15th, 2026

6 round-trip options

Returning

Sun, Sep 20, 2026•5 Day Trip

$415 USD

Google Flights

Returning

Thu, Sep 24, 2026•9 Day Trip

$317 USD

Google Flights

Returning

Fri, Sep 25, 2026•10 Day Trip

$382 USD

Google Flights

Returning

Sun, Sep 27, 2026•12 Day Trip

$417 USD

Google Flights

Returning

Mon, Sep 28, 2026•13 Day Trip

$317 USD

Google Flights

Returning

Tue, Sep 29, 2026•14 Day Trip

$317 USD

Google Flights

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

San Francisco International Airport

Baltimore/Washington International Thurgood Marshall Ai

September 2026

Tuesday, September 15th, 2026