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

Find cheap airline tickets from San Francisco to Boston by date

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  • December 2021
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  • price
  • month of departure
  • month of return
$409
Spirit Airlines outward: Dec 18, 2021
9:52p OAK » 12:32p BOS
Spirit Airlines 1 stop (14h40m)
Alaska Airlines inbound: Jan 17, 2022
12:50a BOS » 7:50a SFO
Alaska Airlines direct (7h)
$411
Spirit Airlines outward: Dec 18, 2021
9:52p OAK » 12:32p BOS
Spirit Airlines 1 stop (14h40m)
Alaska Airlines inbound: Jan 17, 2022
12:50a BOS » 7:50a SFO
Alaska Airlines direct (7h)
$411
Spirit Airlines outward: Dec 18, 2021
9:52p OAK » 12:32p BOS
Spirit Airlines 1 stop (14h40m)
Alaska Airlines inbound: Jan 17, 2022
12:50a BOS » 7:50a SFO
Alaska Airlines direct (7h)
$523
Spirit Airlines outward: Dec 17, 2021
9:52p OAK » 12:32p BOS
Spirit Airlines 1 stop (14h40m)
Spirit Airlines inbound: Dec 25, 2021
12:30a BOS » 4:28p OAK
Spirit Airlines 1 stop (15h58m)
Return
Departure
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Airlines operating flights from San Francisco to Boston

  • any
  • December 2021
  • January 2022
  • February 2022
  • March 2022
  • April 2022
  • May 2022
  • June 2022
  • July 2022
  • August 2022
  • September 2022
  • October 2022
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  • all
  • Alaska Airlines
  • Frontier Airlines
  • JetBlue
  • Spirit Airlines
  • United Airlines
JetBlue
outbound: Dec 18, 2021
JetBlue 1 stop
return: Jan 16, 2022
JetBlue direct
Spirit Airlines
outbound: Dec 17, 2021
Spirit Airlines 1 stop
return: Dec 24, 2021
Spirit Airlines 1 stop
Alaska Airlines
outbound: Dec 18, 2021
Alaska Airlines 1 stop
return: Jan 16, 2022
Alaska Airlines direct
United Airlines
outbound: Dec 18, 2021
United Airlines 1 stop
return: Jan 16, 2022
United Airlines 1 stop
Frontier Airlines
outbound: Dec 17, 2021
Frontier Airlines 1 stop
return: Dec 24, 2021
JetBlue 1 stop

Travel tips for flights San Francisco - Boston

  • Arrival city:
  • Boston, USA
  • Airport(s):
  • Logan International Airport (BOS)
  • Manchester–Boston Regional Airport (MHT)
  • Local time:
  • Dec 8, 2021 2:50 PM, GMT-5
  • Weather:
  • min. 33ºF, max. 40ºF
  • Departure city:
  • San Francisco, USA
  • Airport(s):
  • San Francisco International Airport (SFO)
  • Oakland International Airport (OAK)
  • Norman Y. Mineta International Airport (SJC)
  • Local time:
  • Dec 8, 2021 11:50 AM, GMT-8
  • Weather:
  • min. 50ºF, max. 56ºF