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

  • any
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • any
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • price
  • month of departure
  • month of return
$245
JetBlue outward: Sep 21, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
JetBlue inbound: Sep 24, 2019
5:26a SFO » 10:59a BOS
JetBlue direct (5h33m)
$248
JetBlue outward: Sep 17, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 17, 2019
8:03p SFO » 5:59a BOS
Frontier Airlines 1 stop (9h56m)
$248
JetBlue outward: Sep 17, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 17, 2019
8:03p SFO » 5:59a BOS
Frontier Airlines 1 stop (9h56m)
$251
JetBlue outward: Sep 17, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 17, 2019
8:03p SFO » 5:59a BOS
Frontier Airlines 1 stop (9h56m)
$252
JetBlue outward: Sep 17, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 17, 2019
8:03p SFO » 5:59a BOS
Frontier Airlines 1 stop (9h56m)
$252
Spirit Airlines outward: Aug 21, 2019
6:35p BOS » 5:30a OAK
Spirit Airlines 1 stop (10h55m)
Spirit Airlines inbound: Sep 18, 2019
11:10p OAK » 12:34p BOS
Spirit Airlines 1 stop (13h24m)
$256
Spirit Airlines outward: Sep 17, 2019
2:22a BOS » 7:43p OAK
Spirit Airlines 1 stop (17h21m)
Spirit Airlines inbound: Sep 18, 2019
6:20a OAK » 6:27p BOS
Spirit Airlines 1 stop (12h07m)
$257
Frontier Airlines outward: Aug 20, 2019
12:00p BOS » 8:52a SFO
Frontier Airlines 1 stop (20h52m)
Unknown Company inbound: Aug 28, 2019
7:36a SFO » 3:08a BOS
Unknown Company 1 stop (19h32m)
$270
Frontier Airlines outward: Aug 22, 2019
12:00p BOS » 8:52a SFO
Frontier Airlines 1 stop (20h52m)
Frontier Airlines inbound: Aug 26, 2019
9:59a SFO » 5:56a BOS
Frontier Airlines 1 stop (19h57m)
$270
JetBlue outward: Aug 22, 2019
3:38a BOS » 10:10a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 18, 2019
9:59p SFO » 5:59a BOS
Frontier Airlines 1 stop (8h)
$270
JetBlue outward: Sep 17, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 17, 2019
8:03p SFO » 5:59a BOS
Frontier Airlines 1 stop (9h56m)
$272
JetBlue outward: Sep 17, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 17, 2019
8:03p SFO » 5:59a BOS
Frontier Airlines 1 stop (9h56m)
$272
JetBlue outward: Sep 17, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 17, 2019
8:03p SFO » 5:59a BOS
Frontier Airlines 1 stop (9h56m)
$272
JetBlue outward: Sep 17, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 17, 2019
8:03p SFO » 5:59a BOS
Frontier Airlines 1 stop (9h56m)
$272
JetBlue outward: Sep 17, 2019
3:40a BOS » 10:12a SFO
JetBlue direct (6h32m)
Frontier Airlines inbound: Sep 17, 2019
8:03p SFO » 5:59a BOS
Frontier Airlines 1 stop (9h56m)
$273
United Airlines outward: Jan 26, 2020
12:15p BOS » 6:42p SFO
United Airlines direct (6h27m)
United Airlines inbound: Feb 2, 2020
10:30p SFO » 4:10a BOS
United Airlines direct (5h40m)
$275
Frontier Airlines outward: Sep 18, 2019
12:00p BOS » 8:57a SFO
Frontier Airlines 1 stop (20h57m)
JetBlue inbound: Sep 23, 2019
5:26a SFO » 10:59a BOS
JetBlue direct (5h33m)
$276
Alaska Airlines outward: Aug 22, 2019
2:00p BOS » 8:45p SFO
Alaska Airlines direct (6h45m)
JetBlue inbound: Aug 27, 2019
7:08a OAK » 12:46p BOS
JetBlue direct (5h38m)
$282
Alaska Airlines outward: Oct 17, 2019
11:15p BOS » 6:10a SFO
Alaska Airlines direct (6h55m)
Alaska Airlines inbound: Oct 22, 2019
4:20p SFO » 10:05p BOS
Alaska Airlines direct (5h45m)
$283
Alaska Airlines outward: Oct 17, 2019
11:15p BOS » 6:10a SFO
Alaska Airlines direct (6h55m)
Alaska Airlines inbound: Oct 22, 2019
4:20p SFO » 10:05p BOS
Alaska Airlines direct (5h45m)
$285
Frontier Airlines outward: Aug 22, 2019
12:00p BOS » 5:48a SFO
Frontier Airlines 1 stop (17h48m)
JetBlue inbound: Aug 27, 2019
7:12a OAK » 12:50p BOS
JetBlue direct (5h38m)
$285
Frontier Airlines outward: Aug 22, 2019
12:00p BOS » 5:48a SFO
Frontier Airlines 1 stop (17h48m)
JetBlue inbound: Aug 27, 2019
7:12a OAK » 12:50p BOS
JetBlue direct (5h38m)
$285
Alaska Airlines outward: Oct 25, 2019
11:15p BOS » 6:10a SFO
Alaska Airlines direct (6h55m)
Alaska Airlines inbound: Oct 29, 2019
6:25a SFO » 12:05p BOS
Alaska Airlines direct (5h40m)
$286
Frontier Airlines outward: Aug 22, 2019
12:00p BOS » 5:48a SFO
Frontier Airlines 1 stop (17h48m)
JetBlue inbound: Aug 27, 2019
7:12a OAK » 12:50p BOS
JetBlue direct (5h38m)
$287
United Airlines outward: Jan 26, 2020
12:15p BOS » 6:42p SFO
United Airlines direct (6h27m)
United Airlines inbound: Feb 2, 2020
10:30p SFO » 4:10a BOS
United Airlines direct (5h40m)
$287
United Airlines outward: Jan 26, 2020
12:15p BOS » 6:42p SFO
United Airlines direct (6h27m)
United Airlines inbound: Feb 2, 2020
10:30p SFO » 4:10a BOS
United Airlines direct (5h40m)
$287
United Airlines outward: Jan 26, 2020
12:15p BOS » 6:42p SFO
United Airlines direct (6h27m)
United Airlines inbound: Feb 2, 2020
10:30p SFO » 4:10a BOS
United Airlines direct (5h40m)
$287
Frontier Airlines outward: Aug 22, 2019
12:00p BOS » 8:52a SFO
Frontier Airlines 1 stop (20h52m)
Frontier Airlines inbound: Aug 26, 2019
9:57p SFO » 5:56a BOS
Frontier Airlines 1 stop (7h59m)
$287
United Airlines outward: Jan 26, 2020
12:15p BOS » 6:42p SFO
United Airlines direct (6h27m)
United Airlines inbound: Feb 2, 2020
10:30p SFO » 4:10a BOS
United Airlines direct (5h40m)
$288
Frontier Airlines outward: Aug 22, 2019
12:00p BOS » 5:48a SFO
Frontier Airlines 1 stop (17h48m)
Frontier Airlines inbound: Aug 26, 2019
9:57p SFO » 5:56a BOS
Frontier Airlines 1 stop (7h59m)
Return
Departure
11 July Jul Thursday $retDate.dayShortName
12 July Jul Friday $retDate.dayShortName
13 July Jul Saturday $retDate.dayShortName
14 July Jul Sunday $retDate.dayShortName
15 July Jul Monday $retDate.dayShortName
16 July Jul Tuesday $retDate.dayShortName
17 July Jul Wednesday $retDate.dayShortName
05 July Jul Friday $outDate.dayShortName
06 July Jul Saturday $outDate.dayShortName
$422 $418 $535
07 July Jul Sunday $outDate.dayShortName
$424
08 July Jul Monday $outDate.dayShortName
09 July Jul Tuesday $outDate.dayShortName
$397 $355
10 July Jul Wednesday $outDate.dayShortName
$440
11 July Jul Thursday $outDate.dayShortName
$408
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
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • May 2020
  • all
  • American Airlines
  • Delta Air Lines
  • Frontier Airlines
  • JetBlue
  • Spirit Airlines
  • United Airlines
JetBlue
outbound: Jul 11, 2019
JetBlue direct
return: Jul 15, 2019
JetBlue direct
Spirit Airlines
outbound: Aug 21, 2019
Spirit Airlines 1 stop
return: Sep 18, 2019
Spirit Airlines 1 stop
Delta Air Lines
outbound: Jul 11, 2019
Delta Air Lines 1 stop
return: Jul 15, 2019
Delta Air Lines 1 stop
American Airlines
outbound: Jul 11, 2019
American Airlines 1 stop
return: Jul 15, 2019
American Airlines 1 stop
Frontier Airlines
outbound: Jun 30, 2019
Frontier Airlines 1 stop
return: Jul 7, 2019
Frontier Airlines 1 stop
United Airlines
outbound: Aug 21, 2019
United Airlines direct
return: Sep 18, 2019
United Airlines direct

Travel tips for flights Boston - San Francisco

Average flight duration: 5h50m (direct flight)

  • Arrival 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, 2019 2:18 AM, GMT-7
  • Weather:
  • min. 58ºF, max. 67ºF
  • Departure city:
  • Boston, USA
  • Airport(s):
  • Logan International Airport (BOS)
  • Manchester–Boston Regional Airport (MHT)
  • Local time:
  • Jun 24, 2019 5:18 AM, GMT-4
  • Weather:
  • min. 63ºF, max. 72ºF