Take off on cheap flights from Boston to San Francisco, your adventure starts now!

Find cheap airline tickets from Boston to San Francisco by date

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  • month of departure
  • month of return
$200
Unknown Company outward: Oct 2, 2021
1:16a BOS » 6:12p SFO
Unknown Company 1 stop (16h56m)
Unknown Company inbound: Oct 4, 2021
5:55p SFO » 3:26a BOS
Unknown Company 1 stop (9h31m)
$200
Unknown Company outward: Oct 2, 2021
1:16a BOS » 6:12p SFO
Unknown Company 1 stop (16h56m)
Unknown Company inbound: Oct 4, 2021
5:55p SFO » 3:26a BOS
Unknown Company 1 stop (9h31m)
$264
Unknown Company outward: Sep 30, 2021
3:09p BOS » 8:55a SFO
Unknown Company 1 stop (17h46m)
Unknown Company inbound: Oct 4, 2021
5:55p SFO » 3:26a BOS
Unknown Company 1 stop (9h31m)
$281
Unknown Company outward: Sep 24, 2021
9:55p BOS » 7:33p SFO
Unknown Company 1 stop (21h38m)
Unknown Company inbound: Oct 4, 2021
5:55p SFO » 3:26a BOS
Unknown Company 1 stop (9h31m)
Return
Departure
Choose when you'd like to depart to San Francisco (USA):
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
  • September 2021
  • October 2021
  • November 2021
  • December 2021
  • January 2022
  • February 2022
  • March 2022
  • April 2022
  • May 2022
  • June 2022
  • July 2022
  • August 2022
  • all
  • Alaska Airlines
  • American Airlines
American Airlines
outbound: Sep 30, 2021
American Airlines 1 stop
return: Oct 4, 2021
American Airlines 1 stop
Alaska Airlines
outbound: Oct 1, 2021
Alaska Airlines direct
return: Oct 4, 2021
Alaska Airlines direct

Travel tips for flights Boston - San Francisco

Average flight duration: 15h34m (flight with stopovers)

  • Arrival city:
  • San Francisco, USA
  • Airport(s):
  • San Francisco International Airport (SFO)
  • Oakland International Airport (OAK)
  • Norman Y. Mineta International Airport (SJC)
  • Local time:
  • Sep 23, 2021 2:13 PM, GMT-7
  • Weather:
  • min. 54ºF, max. 76ºF
  • Departure city:
  • Boston, USA
  • Airport(s):
  • Logan International Airport (BOS)
  • Manchester–Boston Regional Airport (MHT)
  • Local time:
  • Sep 23, 2021 5:13 PM, GMT-4
  • Weather:
  • min. 66ºF, max. 80ºF