Cheap flights from Massachusetts to San Francisco

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San Francisco has been a well-known tourist destination for decades. There is an endless array of activities to choose from so whether you're looking to tour the legendary penitentiary of Alcatraz, sample Dungeness crab in a local bistro, drive through a gargantuan Redwood tree, or ride the cable cars for a panoramic view of the city, you can do it all. The options are wide open so go ahead and take it all in, in San Francisco.... (read more in our San Francisco Travel Guide)

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Cheapest flights found for the next 6 months

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Boston 

Check our newest flight offers to San Francisco:

  • $594Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Boston, MA (BOS)San Francisco, CA (SFO)02/09/202309:30 am
    San Francisco, CA (SFO)Boston, MA (BOS)02/17/202312:35 pm
    cheapoair.com check price
  • $614Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Boston, MA (BOS)San Francisco, CA (SFO)02/04/202301:00 pm
    San Francisco, CA (SFO)Boston, MA (BOS)02/18/202305:15 pm
    cheapoair.com check price
  • $641Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Boston, MA (BOS)San Francisco, CA (SFO)02/10/202302:00 pm
    San Francisco, CA (SFO)Boston, MA (BOS)02/23/202306:00 am
    cheapoair.com check price
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