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

  • any
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • any
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • price
  • month of departure
  • month of return
$280
Alaska Airlines outward: Oct 6, 2019
7:25a SFO » 1:05p BOS
Alaska Airlines direct (5h40m)
Alaska Airlines inbound: Oct 19, 2019
11:15p BOS » 6:10a SFO
Alaska Airlines direct (6h55m)
$282
Frontier Airlines outward: Oct 5, 2019
9:59p SFO » 5:59a BOS
Frontier Airlines 1 stop (8h)
Alaska Airlines inbound: Oct 19, 2019
11:15p BOS » 6:10a SFO
Alaska Airlines direct (6h55m)
$285
Alaska Airlines outward: Dec 3, 2019
4:00p SFO » 10:00p BOS
Alaska Airlines direct (6h)
Alaska Airlines inbound: Dec 17, 2019
2:20p BOS » 9:05p SFO
Alaska Airlines direct (6h45m)
$285
Alaska Airlines outward: Dec 4, 2019
7:00a SFO » 1:05p BOS
Alaska Airlines direct (6h05m)
Alaska Airlines inbound: Dec 17, 2019
2:20p BOS » 9:05p SFO
Alaska Airlines direct (6h45m)
$346
Delta Air Lines outward: Jul 11, 2019
7:34a SFO » 1:30p BOS
Delta Air Lines direct (5h56m)
Alaska Airlines inbound: Sep 2, 2019
10:55p BOS » 5:45a SFO
Alaska Airlines direct (6h50m)
$369
Sun Country outward: Jun 24, 2019
4:00p SFO » 4:35p BOS
Sun Country 1 stop (24h35m)
JetBlue inbound: Jul 2, 2019
3:38a BOS » 10:10a SFO
JetBlue direct (6h32m)
$370
Delta Air Lines outward: Jul 30, 2019
7:55a SFO » 3:20p BOS
Delta Air Lines 1 stop (7h25m)
Unknown Company inbound: Aug 6, 2019
3:00p BOS » 2:52a SFO
Unknown Company 1 stop (11h52m)
$371
Delta Air Lines outward: Jul 30, 2019
7:55a SFO » 3:20p BOS
Delta Air Lines 1 stop (7h25m)
Unknown Company inbound: Aug 6, 2019
3:00p BOS » 2:52a SFO
Unknown Company 1 stop (11h52m)
$378
Sun Country outward: Jul 30, 2019
3:25a SFO » 4:35p BOS
Sun Country 1 stop (13h10m)
Frontier Airlines inbound: Aug 6, 2019
12:00p BOS » 5:25a SFO
Frontier Airlines 1 stop (17h25m)
$379
Sun Country outward: Jul 30, 2019
3:25a SFO » 4:35p BOS
Sun Country 1 stop (13h10m)
Frontier Airlines inbound: Aug 6, 2019
12:00p BOS » 5:25a SFO
Frontier Airlines 1 stop (17h25m)
$379
Sun Country outward: Jul 29, 2019
4:00p SFO » 4:35p BOS
Sun Country 1 stop (24h35m)
Frontier Airlines inbound: Aug 6, 2019
12:00p BOS » 5:25a SFO
Frontier Airlines 1 stop (17h25m)
$379
Sun Country outward: Jul 29, 2019
4:00p SFO » 4:35p BOS
Sun Country 1 stop (24h35m)
Frontier Airlines inbound: Aug 6, 2019
12:00p BOS » 5:25a SFO
Frontier Airlines 1 stop (17h25m)
$394
United Airlines outward: Jul 29, 2019
5:40a SFO » 11:22a BOS
United Airlines direct (5h42m)
Frontier Airlines inbound: Aug 6, 2019
12:00p BOS » 5:25a SFO
Frontier Airlines 1 stop (17h25m)
$397
Unknown Company outward: Jun 5, 2019
2:55p SFO » 11:46p BOS
Unknown Company 1 stop (8h51m)
JetBlue inbound: Jun 6, 2019
3:59a BOS » 10:30a SFO
JetBlue direct (6h31m)
$397
Unknown Company outward: Jun 5, 2019
2:55p SFO » 11:46p BOS
Unknown Company 1 stop (8h51m)
JetBlue inbound: Jun 6, 2019
3:59a BOS » 10:30a SFO
JetBlue direct (6h31m)
$397
Sun Country outward: Jul 29, 2019
8:59a SFO » 4:35p BOS
Sun Country 1 stop (7h36m)
Frontier Airlines inbound: Aug 6, 2019
12:00p BOS » 5:25a SFO
Frontier Airlines 1 stop (17h25m)
$399
United Airlines outward: Jul 13, 2019
1:05a SFO » 6:45a BOS
United Airlines direct (5h40m)
United Airlines inbound: Jul 17, 2019
2:45a BOS » 9:14a SFO
United Airlines direct (6h29m)
$411
United Airlines outward: Jun 5, 2019
8:20a SFO » 2:07p BOS
United Airlines direct (5h47m)
United Airlines inbound: Jun 6, 2019
2:45a BOS » 9:20a SFO
United Airlines direct (6h35m)
$417
Frontier Airlines outward: Jun 7, 2019
10:01p SFO » 6:10a BOS
Frontier Airlines 1 stop (8h09m)
Unknown Company inbound: Jun 11, 2019
3:00p BOS » 3:47a SFO
Unknown Company 1 stop (12h47m)
$451
Sun Country outward: Jun 28, 2019
8:59a SFO » 4:35p BOS
Sun Country 1 stop (7h36m)
Alaska Airlines inbound: Jun 30, 2019
2:00p BOS » 8:45p SFO
Alaska Airlines direct (6h45m)
$452
Sun Country outward: Jul 7, 2019
3:25a SFO » 11:33p PVD
Sun Country 1 stop (20h08m)
Sun Country inbound: Jul 27, 2019
6:00p PVD » 2:20a SFO
Sun Country 1 stop (8h20m)
$456
JetBlue outward: Jul 11, 2019
9:42p SFO » 6:40a BOS
JetBlue 1 stop (8h58m)
JetBlue inbound: Jul 15, 2019
2:59a BOS » 8:58a SFO
JetBlue 1 stop (29h59m)
$481
JetBlue outward: Jul 11, 2019
9:42p SFO » 6:40a BOS
JetBlue 1 stop (8h58m)
Sun Country inbound: Jul 14, 2019
5:35p BOS » 7:58a SFO
Sun Country 1 stop (14h23m)
$481
JetBlue outward: Jul 11, 2019
9:42p SFO » 6:40a BOS
JetBlue 1 stop (8h58m)
Sun Country inbound: Jul 14, 2019
5:35p BOS » 7:58a SFO
Sun Country 1 stop (14h23m)
$491
Spirit Airlines outward: Jun 29, 2019
7:28a OAK » 11:52a BOS
Spirit Airlines 1 stop (28h24m)
Spirit Airlines inbound: Jul 2, 2019
2:04a BOS » 4:28a OAK
Spirit Airlines 1 stop (26h24m)
$496
United Airlines outward: Jul 7, 2019
1:05a SFO » 6:45a BOS
United Airlines direct (5h40m)
United Airlines inbound: Jul 28, 2019
2:45a BOS » 9:14a SFO
United Airlines direct (6h29m)
$613
American Airlines outward: Jun 30, 2019
5:55a SFO » 2:09p BOS
American Airlines 1 stop (8h14m)
American Airlines inbound: Jul 7, 2019
12:00p BOS » 8:08p SFO
American Airlines 1 stop (8h08m)
Return
Departure
Choose when you'd like to depart to Boston (USA):
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:

Airlines operating flights from San Francisco to Boston

  • any
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • all
  • Alaska Airlines
  • Allegiant Air
  • American Airlines
  • Delta Air Lines
  • Frontier Airlines
  • JetBlue
  • Southwest Airlines
  • Spirit Airlines
  • United Airlines
JetBlue
outbound: Aug 15, 2019
JetBlue direct
return: Aug 20, 2019
JetBlue direct
Spirit Airlines
outbound: Aug 15, 2019
Spirit Airlines 1 stop
return: Aug 21, 2019
American Airlines 1 stop
Southwest Airlines
outbound: Aug 15, 2019
Southwest Airlines 1 stop
return: Aug 21, 2019
Delta Air Lines 1 stop
Allegiant Air
outbound: Jul 11, 2019
Allegiant Air 1 stop
return: Jul 14, 2019
Spirit Airlines 1 stop
Alaska Airlines
outbound: Dec 3, 2019
Alaska Airlines direct
return: Dec 17, 2019
Alaska Airlines direct
Frontier Airlines
outbound: Oct 5, 2019
Frontier Airlines 1 stop
return: Oct 19, 2019
JetBlue direct
American Airlines
outbound: Dec 3, 2019
American Airlines 1 stop
return: Dec 17, 2019
American Airlines 1 stop
Delta Air Lines
outbound: Jul 29, 2019
Delta Air Lines 1 stop
return: Aug 6, 2019
Frontier Airlines 1 stop
United Airlines
outbound: Jul 29, 2019
United Airlines direct
return: Aug 6, 2019
Alaska Airlines 1 stop

Travel tips for flights San Francisco - Boston

Average flight duration: 6h38m (direct flight)

  • Arrival city:
  • Boston, USA
  • Airport(s):
  • Logan International Airport (BOS)
  • Manchester–Boston Regional Airport (MHT)
  • Local time:
  • May 26, 2019 12:10 PM, GMT-4
  • Weather:
  • min. 59ºF, max. 79ºF
  • Departure city:
  • San Francisco, USA
  • Airport(s):
  • San Francisco International Airport (SFO)
  • Oakland International Airport (OAK)
  • Norman Y. Mineta International Airport (SJC)
  • Local time:
  • May 26, 2019 9:10 AM, GMT-7
  • Weather:
  • min. 54ºF, max. 61ºF