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Find the cheapest Boston San Francisco flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Boston - San Francisco with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from Boston to San Francisco

  • any
  • December 2022
  • January 2023
  • February 2023
  • March 2023
  • April 2023
  • May 2023
  • June 2023
  • July 2023
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  • September 2023
  • October 2023
  • November 2023
  • all
  • Alaska Airlines
Alaska Airlines
outbound: Dec 6, 2022
Alaska Airlines direct
return: Dec 16, 2022
Frontier Airlines 1 stop

Travel tips for flights Boston - San Francisco

  • Arrival city:
  • San Francisco, USA
  • Airport(s):
  • San Francisco International Airport (SFO)
  • Oakland International Airport (OAK)
  • Norman Y. Mineta San Jose International Airport (SJC)
  • Local time:
  • Dec 3, 2022 1:34 AM, GMT-8
  • Weather:
  • min. 46ºF, max. 53ºF
  • Departure city:
  • Boston, USA
  • Airport(s):
  • Boston Logan International Airport (BOS)
  • Manchester–Boston Regional Airport (MHT)
  • Local time:
  • Dec 3, 2022 4:34 AM, GMT-5
  • Weather:
  • min. 34ºF, max. 47ºF