SEARCH ONE AND DONE. - Compare hundreds of travel sites at once.
Choose where to book.
Find deals from over 400 airlines worldwide.

Cheap Flights from San Francisco to Boston (SFO - BOS)

DepartReturn
1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers including any infants.

Best fares from SFO to BOS (Found by others)

Sun Mon Tue Wed Thu Fri Sat
          1 $423 2 $464
3 $461 4 $394 5 $382 6 $399 7 $446 8 $411 9 $393
10 $388 11 $344 12 $344 13 $365 14 $437 15 $408 16 $451
17 $354 18 $375 19 $344 20 $378 21 $349 22 $443 23 $381
24 $423 25 $387 26 $366 27 $381 28 $441 29 $447 30 $419
31 $402            
KAYAK searches hundreds of sites to find the best rate for your next flight from San Francisco to Boston. Get the best flight deal for your Boston trip!
Here's how it works. Search KAYAK for a flight ticket from San Francisco to Boston. Sort, filter and compare results on one web page. Then book your plane ticket direct on the airline or travel agent site of your choice!
Direct flights SFO to BOS on United
Flight # Depart SFO Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
1057 6:00 am 2:29 pm Aug 29 - Sep 5
1057 6:00 am 2:35 pm Aug 28 - Aug 31
1057 6:00 am 2:29 pm Aug 19 - Aug 27
1523 6:00 am 2:44 pm Jul 20 - Aug 17
1620 6:00 am 2:44 pm Aug 2 - Aug 9
1620 6:00 am 2:44 pm Aug 16 - Aug 16
242 6:00 am 2:38 pm Jul 23 - Jul 30
242 6:00 am 2:38 pm Aug 6 - Aug 6
245 6:00 am 2:38 pm Aug 13 - Aug 13
255 6:00 am 2:38 pm Aug 5 - Aug 5
444 6:00 am 2:38 pm Aug 12 - Aug 12
444 6:00 am 2:38 pm Aug 1 - Aug 15
676 6:00 am 2:38 pm Aug 7 - Aug 14
676 6:00 am 2:38 pm Aug 4 - Aug 18
676 6:00 am 2:38 pm Jul 24 - Jul 31
788 6:00 am 2:38 pm Jul 22 - Jul 29
1620 8:10 am 4:58 pm Jul 31 - Jul 31
1725 8:10 am 4:58 pm Aug 5 - Aug 5
1728 8:10 am 4:58 pm Aug 12 - Aug 12
1728 8:10 am 4:58 pm Aug 13 - Aug 13
1752 8:10 am 4:58 pm Aug 14 - Aug 14
1752 8:10 am 4:58 pm Aug 10 - Aug 18
1752 8:10 am 4:58 pm Aug 3 - Aug 7
1752 8:10 am 4:58 pm Aug 1 - Aug 8
768 8:10 am 4:53 pm Jul 23 - Jul 30
1620 8:15 am 5:03 pm Jul 29 - Jul 29
1422 8:25 am 4:54 pm Aug 21 - Aug 28
1422 8:25 am 4:54 pm Aug 25 - Aug 25
1679 8:25 am 4:54 pm Aug 22 - Aug 29
1752 8:25 am 4:54 pm Aug 26 - Aug 26
1752 8:25 am 4:54 pm Aug 19 - Aug 24
1752 8:25 am 5:00 pm Aug 20 - Aug 27
1168 8:27 am 5:15 pm Aug 2 - Aug 2
1168 8:27 am 5:15 pm Aug 9 - Aug 9
1168 8:27 am 5:15 pm Aug 16 - Aug 16
1422 11:00 am 7:45 pm Aug 19 - Aug 19
1422 11:00 am 7:45 pm Aug 26 - Aug 26
1422 11:00 am 7:45 pm Aug 29 - Aug 29
1422 11:00 am 7:45 pm Aug 24 - Aug 24
1422 11:00 am 7:45 pm Aug 23 - Aug 23
1728 11:00 am 7:45 pm Aug 25 - Aug 25
1749 11:00 am 7:45 pm Aug 21 - Aug 21
662 11:00 am 7:40 pm Aug 22 - Aug 22
788 11:00 am 7:43 pm Aug 28 - Aug 28
788 11:00 am 7:43 pm Aug 20 - Aug 27
788 11:38 am 8:22 pm Aug 3 - Aug 17
1057 11:49 am 8:33 pm Aug 14 - Aug 14
1149 11:49 am 8:33 pm Aug 18 - Aug 18
1184 11:49 am 8:33 pm Aug 4 - Aug 7
1184 11:49 am 8:33 pm Aug 11 - Aug 11
1188 11:49 am 8:33 pm Jul 31 - Jul 31
1620 11:49 am 8:33 pm Aug 8 - Aug 15
1674 11:49 am 8:33 pm Aug 5 - Aug 12
1674 11:49 am 8:33 pm Jul 22 - Jul 29
545 11:49 am 8:33 pm Aug 1 - Aug 1
788 11:56 am 8:40 pm Jul 23 - Jul 30
788 11:56 am 8:40 pm Aug 6 - Aug 13
1188 11:57 am 8:41 pm Jul 19 - Aug 16
1090 1:30 pm 10:21 pm Aug 2 - Aug 2
242 1:40 pm 10:28 pm Aug 5 - Aug 5
242 1:45 pm 10:34 pm Aug 4 - Aug 4
1615 1:50 pm 10:32 pm Aug 21 - Aug 21
1752 1:50 pm 10:32 pm Aug 28 - Aug 28
1752 1:50 pm 10:32 pm Aug 22 - Aug 22
1152 1:52 pm 10:43 pm Aug 10 - Aug 10
1152 1:52 pm 10:43 pm Aug 3 - Aug 3
1245 1:52 pm 10:43 pm Aug 13 - Aug 13
1245 1:52 pm 10:43 pm Jul 23 - Jul 30
1245 1:52 pm 10:43 pm Aug 6 - Aug 6
1248 1:52 pm 10:43 pm Jul 29 - Jul 29
242 1:52 pm 10:41 pm Aug 1 - Aug 8
242 1:52 pm 10:41 pm Jul 24 - Jul 31
242 1:52 pm 10:41 pm Aug 12 - Aug 15
242 1:52 pm 10:41 pm Aug 7 - Aug 18
508 1:54 pm 10:40 pm Aug 17 - Aug 17
1752 1:58 pm 10:49 pm Aug 9 - Aug 16
1539 2:00 pm 10:42 pm Aug 24 - Aug 24
1611 2:00 pm 10:42 pm Aug 29 - Aug 29
1611 2:00 pm 10:42 pm Aug 25 - Aug 25
1704 2:00 pm 10:42 pm Aug 20 - Aug 20
1704 2:00 pm 10:42 pm Aug 27 - Aug 27
242 2:00 pm 10:40 pm Aug 19 - Aug 26
174 2:30 pm 11:12 pm Aug 23 - Aug 23
286 3:06 pm 11:44 pm Aug 10 - Aug 10
1752 3:19 pm 12:03 am Aug 12 - Aug 12
242 3:19 pm 11:57 pm Aug 13 - Aug 13
286 3:19 pm 11:57 pm Aug 1 - Aug 8
286 3:19 pm 11:57 pm Jul 30 - Jul 31
286 3:19 pm 11:57 pm Aug 11 - Aug 18
444 3:19 pm 12:03 am Aug 5 - Aug 5
444 3:19 pm 12:03 am Jul 22 - Jul 29
72 3:29 pm 12:11 am Aug 29 - Aug 29
72 3:30 pm 12:12 am Aug 19 - Aug 26
72 3:30 pm 12:12 am Aug 25 - Aug 25
72 3:30 pm 12:07 am Aug 28 - Aug 28
72 3:30 pm 12:12 am Aug 27 - Aug 27
72 3:35 pm 12:17 am Aug 24 - Aug 24
72 4:15 pm 12:59 am Jul 19 - Aug 16
444 4:40 pm 1:19 am Aug 4 - Aug 4
444 4:40 pm 1:19 am Jul 23 - Jul 30
444 4:40 pm 1:19 am Aug 13 - Aug 13
444 4:40 pm 1:19 am Aug 6 - Aug 6
72 4:40 pm 1:24 am Jul 22 - Aug 1
72 4:40 pm 1:24 am Aug 5 - Aug 5
72 4:40 pm 1:24 am Aug 7 - Aug 7
72 4:40 pm 1:24 am Aug 8 - Aug 12
72 4:40 pm 1:24 am Aug 18 - Aug 18
72 4:40 pm 1:24 am Jul 21 - Jul 31
72 4:40 pm 1:24 am Aug 11 - Aug 14
768 4:40 pm 1:19 am Aug 15 - Aug 15
1168 5:00 pm 1:47 am Aug 25 - Aug 25
1209 5:00 pm 1:47 am Aug 22 - Aug 22
1640 5:00 pm 1:47 am Aug 26 - Aug 26
1663 5:00 pm 1:47 am Aug 21 - Aug 21
1663 5:00 pm 1:47 am Aug 20 - Aug 20
1733 5:00 pm 1:47 am Aug 27 - Aug 29
1749 5:00 pm 1:47 am Aug 19 - Aug 19
1627 5:01 pm 1:48 am Aug 24 - Aug 24
1615 5:02 pm 1:49 am Aug 28 - Aug 28
768 5:08 pm 1:47 am Aug 3 - Aug 17
1177 8:48 pm 5:34 am Jul 19 - Aug 16
408 8:52 pm 5:31 am Aug 3 - Aug 17
408 8:53 pm 5:39 am Aug 6 - Aug 13
408 8:53 pm 5:32 am Jul 21 - Jul 31
408 8:53 pm 5:39 am Jul 30 - Jul 30
408 8:53 pm 5:32 am Aug 1 - Aug 18
1168 8:55 pm 5:37 am Aug 23 - Aug 23
1168 8:59 pm 5:41 am Aug 24 - Aug 24
1168 8:59 pm 5:41 am Aug 20 - Aug 27
1168 9:00 pm 5:42 am Aug 28 - Aug 29
1168 9:00 pm 5:42 am Aug 21 - Aug 22
1118 10:30 pm 7:20 am Aug 16 - Aug 16
1263 10:30 pm 6:59 am Aug 21 - Aug 25
1263 10:30 pm 7:05 am Aug 28 - Aug 28
1263 10:30 pm 6:59 am Aug 29 - Sep 1
1575 10:30 pm 6:59 am Aug 19 - Aug 26
1575 10:30 pm 6:59 am Aug 23 - Aug 23
1575 10:30 pm 7:05 am Aug 20 - Aug 27
770 10:30 pm 7:20 am Aug 2 - Aug 9
1263 10:35 pm 7:25 am Aug 10 - Aug 17
1263 10:35 pm 7:25 am Jul 20 - Aug 3
770 10:35 pm 7:19 am Jul 31 - Jul 31
770 10:35 pm 7:19 am Aug 1 - Aug 18
995 10:35 pm 7:19 am Aug 6 - Aug 13
770 10:44 pm 7:34 am Jul 29 - Jul 29
770 10:44 pm 7:34 am Aug 5 - Aug 12