Cheap flights from Massachusetts to San Francisco

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The aggressive Spanish colonial expansion during the 18th century finally reached the shores of San Francisco Bay in 1769. An expedition led by Don Gaspar de Portola was credited for discovering San Francisco Bay, sighting it atop Sweeney Ridge, now a National Historic Landmark. A member of his crew, Sgt. Jose Francisco Ortega would later be identified as having discovered the strait now popularly known as the Golden Gate.... (read more in our San Francisco History)

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Boston 

Check our newest flight offers to San Francisco:

  • $328Virgin America flight Virgin America 
    FromToDepartureTime
    Boston, MA (BOS)San Francisco, CA (SFO)09/21/201707:25 am
    San Francisco, CA (SFO)Boston, MA (BOS)09/25/201706:50 am
    cheapoair.com check price
  • $329United Airlines flight United Airlines 
    FromToDepartureTime
    Boston, MA (BOS)San Francisco, CA (SFO)09/21/201709:00 am
    San Francisco, CA (SFO)Boston, MA (BOS)09/25/201708:30 am
    flighthub.com check price
  • $330Virgin America flight Virgin America 
    FromToDepartureTime
    Boston, MA (BOS)San Francisco, CA (SFO)09/21/201707:25 am
    San Francisco, CA (SFO)Boston, MA (BOS)09/25/201706:50 am
    flightnetwork.com check price
  • $343Alaska Airlines flight Alaska Airlines 
    FromToDepartureTime
    Boston, MA (BOS)San Francisco, CA (SFO)09/21/201707:25 am
    San Francisco, CA (SFO)Boston, MA (BOS)09/25/201709:30 pm
    flyfar.ca check price
  • $352United Airlines flight United Airlines 
    FromToDepartureTime
    Boston, MA (BOS)San Francisco, CA (SFO)04/04/201706:00 am
    San Francisco, CA (SFO)Boston, MA (BOS)04/19/201703:16 pm
    flighthub.com check price
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