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 Boston to San Francisco (BOS - SFO)

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.
Choose Sites to Compare vs. KAYAK

Best fares from BOS to SFO (Found by others)

Sun Mon Tue Wed Thu Fri Sat
      1 $431 2 $434 3 $434 4 $412
5 $434 6 $371 7 $342 8 $371 9 $375 10 $480 11 $375
12 $671 13 $436 14 $348 15 $345 16 $349 17 $309 18 $352
19 $523 20 $417 21 $329 22 $338 23 $322 24 $322 25 $322
26 $362 27 $338 28 $322 29 $322 30 $322 31 $322  
KAYAK searches hundreds of sites to find the best rate for your next flight from Boston to San Francisco. Get the best flight deal for your San Francisco trip!
Here's how it works. Search KAYAK for a flight ticket from Boston to San Francisco. 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 BOS to SFO on United
Flight # Depart BOS Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
1273 6:00 am 9:55 am Nov 8 - Nov 15
1727 6:00 am 9:55 am Nov 7 - Nov 14
1273 6:05 am 10:00 am Nov 5 - Nov 5
1273 6:05 am 10:00 am Oct 28 - Oct 28
1273 6:05 am 10:00 am Nov 1 - Nov 1
1273 6:05 am 10:00 am Nov 4 - Nov 4
1523 6:05 am 10:00 am Nov 3 - Nov 3
1523 6:05 am 10:00 am Nov 2 - Nov 2
1538 6:05 am 9:53 am Oct 31 - Oct 31
1727 6:05 am 10:00 am Oct 30 - Oct 30
1727 6:05 am 10:00 am Nov 6 - Nov 6
1727 6:05 am 10:00 am Oct 29 - Oct 29
1727 6:05 am 10:00 am Oct 26 - Oct 26
433 6:05 am 9:53 am Oct 27 - Oct 27
1595 6:10 am 9:44 am Oct 1 - Oct 23
1098 6:13 am 9:47 am Oct 5 - Oct 19
1273 6:13 am 9:47 am Oct 4 - Oct 25
1523 6:13 am 9:47 am Sep 30 - Oct 21
1595 6:13 am 9:47 am Oct 13 - Oct 24
1595 6:13 am 9:47 am Oct 3 - Oct 10
1538 7:02 am 10:56 am Oct 26 - Oct 26
1538 8:02 am 11:48 am Oct 27 - Oct 27
1538 8:02 am 11:56 am Nov 1 - Nov 1
1538 8:02 am 11:48 am Nov 5 - Nov 13
1538 8:02 am 11:48 am Nov 4 - Nov 11
1538 8:02 am 11:48 am Oct 28 - Oct 28
1538 8:02 am 11:48 am Oct 29 - Oct 29
1538 8:02 am 11:48 am Oct 30 - Oct 30
1538 8:02 am 11:56 am Nov 2 - Nov 9
670 8:05 am 11:51 am Nov 8 - Nov 15
1538 8:12 am 11:58 am Nov 3 - Nov 3
1248 8:15 am 11:34 am Oct 1 - Oct 8
1523 8:15 am 11:34 am Oct 15 - Oct 22
1594 8:15 am 11:34 am Oct 12 - Oct 12
1631 8:15 am 11:42 am Oct 19 - Oct 19
1653 8:15 am 11:34 am Oct 6 - Oct 9
1653 8:15 am 11:34 am Oct 16 - Oct 23
1699 8:15 am 11:34 am Sep 30 - Oct 21
1727 8:15 am 11:34 am Oct 3 - Oct 10
1727 8:15 am 11:34 am Oct 13 - Oct 17
1727 8:15 am 11:34 am Oct 24 - Oct 24
1727 8:15 am 11:42 am Oct 25 - Oct 25
370 8:15 am 11:34 am Oct 4 - Oct 18
73 8:48 am 12:15 pm Oct 12 - Oct 12
551 8:54 am 12:13 pm Oct 19 - Oct 19
1538 11:00 am 2:54 pm Nov 8 - Nov 8
1723 11:00 am 2:54 pm Oct 26 - Oct 26
1723 11:00 am 2:54 pm Nov 2 - Nov 16
477 11:00 am 2:46 pm Nov 1 - Nov 1
477 11:05 am 2:30 pm Sep 30 - Oct 25
1723 11:11 am 3:08 pm Nov 5 - Nov 5
1723 11:11 am 3:08 pm Nov 7 - Nov 7
1723 11:11 am 3:08 pm Oct 27 - Oct 31
1723 11:11 am 3:08 pm Nov 3 - Nov 11
1723 12:27 pm 3:52 pm Oct 15 - Oct 15
1723 12:27 pm 3:52 pm Oct 3 - Oct 24
1723 12:27 pm 3:52 pm Sep 30 - Oct 21
1723 12:27 pm 3:52 pm Oct 1 - Oct 8
1723 12:27 pm 3:52 pm Oct 22 - Oct 22
551 2:01 pm 5:45 pm Nov 2 - Nov 2
551 2:01 pm 5:45 pm Oct 26 - Oct 26
1523 3:05 pm 6:38 pm Oct 4 - Oct 18
370 3:27 pm 6:52 pm Oct 15 - Oct 15
551 3:27 pm 6:52 pm Oct 22 - Oct 24
551 3:27 pm 6:52 pm Sep 30 - Oct 21
551 3:27 pm 6:52 pm Oct 8 - Oct 8
1699 3:29 pm 7:02 pm Oct 19 - Oct 19
1699 3:29 pm 7:02 pm Oct 12 - Oct 12
1028 3:30 pm 7:20 pm Nov 4 - Nov 4
1523 3:30 pm 7:20 pm Nov 5 - Nov 19
1719 3:30 pm 7:20 pm Oct 29 - Oct 29
1727 3:30 pm 7:20 pm Oct 28 - Oct 28
1523 3:35 pm 7:25 pm Nov 6 - Nov 13
1523 3:35 pm 7:25 pm Oct 30 - Oct 30
1699 3:35 pm 7:25 pm Oct 27 - Oct 27
1727 3:35 pm 7:25 pm Nov 3 - Nov 3
1719 4:46 pm 8:10 pm Sep 30 - Oct 21
1289 4:50 pm 8:14 pm Oct 2 - Oct 9
1289 4:50 pm 8:14 pm Oct 20 - Oct 23
1289 4:50 pm 8:14 pm Oct 15 - Oct 16
1523 4:50 pm 8:14 pm Oct 5 - Oct 19
1523 4:50 pm 8:14 pm Oct 10 - Oct 17
1523 4:50 pm 8:14 pm Oct 1 - Oct 8
1523 4:50 pm 8:14 pm Oct 24 - Oct 24
1615 4:50 pm 8:14 pm Oct 13 - Oct 13
1652 5:00 pm 8:51 pm Oct 26 - Oct 26
1652 5:00 pm 8:51 pm Oct 30 - Oct 30
1652 5:00 pm 8:51 pm Oct 27 - Oct 31
1652 5:05 pm 8:56 pm Nov 2 - Nov 16
1652 5:05 pm 8:56 pm Nov 3 - Nov 11
1750 5:30 pm 9:21 pm Nov 1 - Nov 1
1750 5:30 pm 9:21 pm Nov 8 - Nov 22
503 5:54 pm 9:17 pm Oct 11 - Oct 11
1595 6:00 pm 9:31 pm Oct 25 - Oct 25
1750 6:00 pm 9:31 pm Oct 18 - Oct 18
1523 6:04 pm 9:53 pm Oct 26 - Oct 26
1699 6:04 pm 9:53 pm Nov 2 - Nov 2
1523 6:05 pm 9:54 pm Oct 28 - Oct 28
1523 6:05 pm 9:54 pm Nov 4 - Nov 4
1523 6:06 pm 9:55 pm Oct 31 - Oct 31
1093 6:10 pm 9:59 pm Nov 3 - Nov 3
1408 6:10 pm 9:59 pm Nov 7 - Nov 7
1523 6:10 pm 9:59 pm Oct 29 - Oct 29
1699 6:10 pm 9:59 pm Nov 5 - Nov 5
503 6:10 pm 9:51 pm Oct 27 - Oct 30
503 6:10 pm 9:51 pm Nov 6 - Nov 13
1523 6:15 pm 9:38 pm Oct 6 - Oct 23
1699 6:15 pm 9:38 pm Oct 3 - Oct 24
1750 6:15 pm 9:38 pm Oct 19 - Oct 19
1750 6:15 pm 9:38 pm Oct 12 - Oct 12
503 6:15 pm 9:38 pm Sep 30 - Oct 8
503 6:15 pm 9:38 pm Oct 14 - Oct 22
1699 7:18 pm 11:02 pm Oct 30 - Oct 30
1699 7:18 pm 11:02 pm Nov 6 - Nov 13
1719 7:22 pm 10:55 pm Oct 5 - Oct 19
1494 7:32 pm 11:05 pm Oct 15 - Oct 15
1719 7:32 pm 11:05 pm Oct 1 - Oct 13
1719 7:32 pm 11:05 pm Oct 16 - Oct 24