Boston - San Francisco $177 Roundtrip, Nonstop, for Winter Travel

Fly nonstop from Boston to San Francisco for $177 on United.

We found seats in Basic Economy departing BOS on Saturday, February 2, returning from SFO on Saturday, February 9.

Other dates are available for travel from January through the beginning of March.

If you don't like the restricions of Basic Economy, Main Cabin seats are available on these same dates for $237.

See our fare details for booking info. 

Need a room in SF? Here's what's available for these dates on Hotelwatchdog.