SFO to BWI from $217 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

$462 USD

-53%$217 USD

Verified about 5 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$244 1$223 2$223 3$248 4$348 5$229 6$368 7$307 8$223 9$294 10$282 11$265 12$225 13$362 14$248 15$217 16$223 17$248 18$265 19$219 20$362 21$242 22$217 23$217 24$248 25$275 26$219 27$362 28$242 29$217 30$217 1$324 2$265 3$219 4$364

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Wednesday, September 9th, 2026

7 round-trip options

Returning

Mon, Sep 14, 2026•5 Day Trip

$354 USD

Google Flights

Returning

Tue, Sep 15, 2026•6 Day Trip

$294 USD

Google Flights

Returning

Thu, Sep 17, 2026•8 Day Trip

$319 USD

Google Flights

Returning

Fri, Sep 18, 2026•9 Day Trip

$342 USD

Google Flights

Returning

Sun, Sep 20, 2026•11 Day Trip

$482 USD

Google Flights

Returning

Tue, Sep 22, 2026•13 Day Trip

$337 USD

Google Flights

Returning

Wed, Sep 23, 2026•14 Day Trip

$337 USD

Google Flights

San Francisco (SFO) to Baltimore-Washington (BWI) flight deal in economy from $217

San Francisco International Airport

Baltimore/Washington International Thurgood Marshall Ai

September 2026

Wednesday, September 9th, 2026