San Francisco to Boston $248 Round-Trip for May Travel

Fly from San Francisco to Boston for $248 round-trip on Sun Country.

Seen below, we found seats departing SFO on Wednesday, May 6, returning from BOS on Tuesday, May 12. Flights connect via Minneapolis MSP.

Other dates are also available for travel in May.

For booking info, see our Fare Details.

Need a room in Boston? Here's a look at what's available for the above dates on Hotelwatchdog.