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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  • price
  • month of departure
  • month of return
$316
outward: Jul 31, 2018
8:55a OAK » 2:22p BOS
Spirit Airlines 1 stop (29h27m)
inbound: Aug 14, 2018
11:05a BOS » 7:36a OAK
Spirit Airlines 1 stop (20h31m)
$351
outward: Jul 31, 2018
5:15a OAK » 5:00p BOS
Spirit Airlines 2 stops (11h45m)
inbound: Aug 9, 2018
8:29p BOS » 9:07a OAK
Spirit Airlines 2 stops (12h38m)
Return
Departure
Find the cheapest San Francisco Boston flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for San Francisco - Boston with these new dates, click on an offer. Want to depart from another city? Choose: Las Vegas - Boston New York - Boston London - Boston Miami - Boston Chicago - Boston See more routes

Airlines operating flights from San Francisco to Boston

  • any
  • June 2018
  • July 2018
  • August 2018
  • September 2018
  • October 2018
  • November 2018
  • December 2018
  • January 2019
  • February 2019
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  • all
  • Alaska Airlines
  • Spirit Airlines
  • United Airlines
Spirit Airlines
outbound: Jul 30, 2018
Spirit Airlines 2 stops
return: Aug 9, 2018
Spirit Airlines 2 stops
Alaska Airlines
outbound: Jul 30, 2018
Alaska Airlines direct
return: Aug 9, 2018
Alaska Airlines direct
United Airlines
outbound: Jul 30, 2018
United Airlines direct
return: Aug 9, 2018
United Airlines direct

Travel tips for flights San Francisco - Boston

Average flight duration: 12h11m (flight with stopovers)

  • Arrival city:
  • Boston, USA
  • Airport(s):
  • Logan International Airport (BOS)
  • Manchester–Boston Regional Airport (MHT)
  • Local time:
  • Jun 24, 2018 10:04 PM, GMT-4
  • Weather:
  • min. 58ºF, max. 68ºF
  • Departure city:
  • San Francisco, USA
  • Airport(s):
  • San Francisco International Airport (SFO)
  • Oakland International Airport (OAK)
  • Norman Y. Mineta International Airport (SJC)
  • Local time:
  • Jun 24, 2018 7:04 PM, GMT-7
  • Weather:
  • min. 51ºF, max. 58ºF