BWI to SFO from $217 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

$456 USD

-52%$217 USD

Verified about 10 hours ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$623 1$434 2$227 3$242 4$265 5$221 6$362 7$242 8$217 9$217 10$242 11$470 12$349 13$492 14$362 15$347 16$427 17$494 18$564 19$639 20$482 21$477 22$554 23$467 24$477 25$492 26$786 27$492 28$554 29$554 30$467 31$477 1$492 2$703 3$554

Rare Availability

5% of dates checked are available within 10% of the lowest price

Monday, December 7th, 2026

8 round-trip options

Returning

Sat, Dec 12, 2026•5 Day Trip

$244 USD

Google Flights

Returning

Sun, Dec 13, 2026•6 Day Trip

$387 USD

Google Flights

Returning

Mon, Dec 14, 2026•7 Day Trip

$267 USD

Google Flights

Returning

Tue, Dec 15, 2026•8 Day Trip

$242 USD

Google Flights

Returning

Wed, Dec 16, 2026•9 Day Trip

$442 USD

Google Flights

Returning

Sat, Dec 19, 2026•12 Day Trip

$511 USD

Google Flights

Returning

Sun, Dec 20, 2026•13 Day Trip

$451 USD

Google Flights

Returning

Mon, Dec 21, 2026•14 Day Trip

$384 USD

Google Flights

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

Baltimore/Washington International Thurgood Marshall Ai

San Francisco International Airport

December 2026

Monday, December 7th, 2026