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 $464 2 $338 3 $339 4 $339 5 $338 6 $339
7 $344 8 $353 9 $342 10 $338 11 $338 12 $341 13 $338
14 $347 15 $333 16 $322 17 $334 18 $322 19 $334 20 $335
21 $354 22 $327 23 $322 24 $333 25 $322 26 $335 27 $338
28 $459 29 $327 30 $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
1595 6:10 am 9:44 am Oct 1 - Oct 23
1098 6:13 am 9:47 am Sep 21 - Oct 19
1273 6:13 am 9:47 am Sep 20 - Oct 25
1523 6:13 am 9:47 am Sep 23 - Oct 21
1595 6:13 am 9:47 am Sep 22 - Sep 29
1595 6:13 am 9:47 am Oct 3 - Oct 10
1595 6:13 am 9:47 am Oct 6 - Oct 6
1699 6:17 am 9:51 am Sep 26 - Sep 26
1098 6:26 am 10:00 am Sep 16 - Sep 19
1098 6:26 am 10:00 am Sep 9 - Sep 9
1098 6:26 am 10:00 am Sep 5 - Sep 15
1098 6:26 am 10:00 am Sep 10 - Sep 17
1098 6:32 am 10:06 am Sep 13 - Sep 13
1098 8:15 am 11:34 am Sep 7 - Sep 14
1098 8:15 am 11:34 am Sep 20 - Sep 20
1163 8:15 am 11:34 am Sep 26 - Sep 26
1248 8:15 am 11:34 am Oct 1 - Oct 8
1523 8:15 am 11:34 am Oct 2 - Oct 2
1594 8:15 am 11:34 am Sep 21 - Sep 28
1653 8:15 am 11:34 am Oct 6 - Oct 9
1653 8:15 am 11:34 am Sep 22 - Sep 29
1699 8:15 am 11:34 am Sep 23 - Oct 21
1699 8:15 am 11:34 am Sep 24 - Sep 24
1727 8:15 am 11:34 am Oct 3 - Oct 10
1727 8:15 am 11:34 am Aug 30 - Sep 13
1727 8:15 am 11:34 am Sep 8 - Sep 19
370 8:15 am 11:34 am Sep 27 - Oct 18
1621 8:54 am 12:21 pm Sep 21 - Sep 28
551 8:54 am 12:13 pm Oct 5 - Oct 5
1653 11:00 am 2:33 pm Sep 17 - Sep 17
477 11:00 am 2:25 pm Aug 28 - Sep 16
477 11:00 am 2:25 pm Sep 18 - Sep 19
477 11:05 am 2:30 pm Sep 20 - Oct 25
1723 12:27 pm 3:52 pm Oct 3 - Oct 24
1723 12:27 pm 3:52 pm Sep 23 - Sep 30
1723 12:27 pm 3:52 pm Sep 22 - Sep 29
1723 12:27 pm 3:52 pm Sep 24 - Sep 24
1723 12:27 pm 3:52 pm Sep 25 - Oct 1
1723 12:27 pm 3:52 pm Oct 2 - Oct 2
1723 12:27 pm 3:52 pm Oct 7 - Oct 21
1723 12:27 pm 3:52 pm Oct 8 - Oct 8
1523 12:30 pm 4:00 pm Sep 7 - Sep 14
1523 12:44 pm 4:14 pm Sep 10 - Sep 17
1523 12:50 pm 4:20 pm Sep 12 - Sep 19
1523 12:50 pm 4:20 pm Sep 2 - Sep 9
1523 12:50 pm 4:20 pm Sep 11 - Sep 11
1523 3:05 pm 6:38 pm Sep 20 - Oct 18
551 3:27 pm 6:52 pm Sep 26 - Sep 26
551 3:27 pm 6:52 pm Sep 25 - Sep 25
551 3:27 pm 6:52 pm Oct 1 - Oct 1
551 3:27 pm 6:52 pm Oct 2 - Oct 21
551 3:27 pm 6:52 pm Oct 8 - Oct 8
551 3:27 pm 6:52 pm Sep 22 - Sep 30
1699 3:29 pm 7:02 pm Sep 21 - Sep 21
1699 3:29 pm 7:02 pm Sep 28 - Oct 5
1719 3:39 pm 6:55 pm Sep 14 - Sep 14
1719 3:39 pm 6:55 pm Sep 7 - Sep 7
1544 4:13 pm 7:31 pm Sep 17 - Sep 17
1678 4:13 pm 7:31 pm Sep 9 - Sep 9
1699 4:13 pm 7:31 pm Sep 12 - Sep 19
1699 4:13 pm 7:31 pm Sep 11 - Sep 11
1719 4:13 pm 7:31 pm Sep 8 - Sep 15
1750 4:13 pm 7:31 pm Sep 10 - Sep 10
1750 4:13 pm 7:31 pm Sep 16 - Sep 16
1699 4:41 pm 8:05 pm Sep 16 - Sep 17
1699 4:41 pm 8:05 pm Sep 2 - Sep 10
1699 4:41 pm 8:05 pm Sep 7 - Sep 7
1699 4:41 pm 8:05 pm Sep 14 - Sep 14
1699 4:41 pm 8:05 pm Sep 15 - Sep 15
1699 4:41 pm 8:05 pm Sep 8 - Sep 8
1678 4:42 pm 8:06 pm Sep 13 - Sep 13
1719 4:46 pm 8:10 pm Sep 23 - Oct 21
1289 4:50 pm 8:14 pm Oct 2 - Oct 9
1289 4:50 pm 8:14 pm Sep 22 - Sep 29
1523 4:50 pm 8:14 pm Sep 25 - Sep 25
1523 4:50 pm 8:14 pm Sep 24 - Oct 8
1523 4:50 pm 8:14 pm Sep 21 - Oct 19
1523 4:50 pm 8:14 pm Sep 26 - Oct 3
1675 5:05 pm 8:29 pm Sep 18 - Sep 18
1719 5:05 pm 8:29 pm Sep 19 - Sep 19
1719 5:06 pm 8:30 pm Sep 11 - Sep 12
1750 6:00 pm 9:31 pm Sep 20 - Oct 4
1675 6:10 pm 9:28 pm Sep 11 - Sep 11
1678 6:10 pm 9:28 pm Sep 16 - Sep 16
1750 6:10 pm 9:28 pm Sep 12 - Sep 12
1750 6:10 pm 9:28 pm Sep 19 - Sep 19
1750 6:10 pm 9:28 pm Sep 18 - Sep 18
1750 6:10 pm 9:28 pm Sep 6 - Sep 13
1750 6:10 pm 9:28 pm Sep 9 - Sep 9
1750 6:10 pm 9:28 pm Sep 8 - Sep 15
1750 6:10 pm 9:28 pm Sep 7 - Sep 14
503 6:10 pm 9:28 pm Sep 10 - Sep 17
1127 6:15 pm 9:38 pm Sep 26 - Sep 26
1523 6:15 pm 9:38 pm Sep 22 - Oct 6
1606 6:15 pm 9:38 pm Sep 25 - Sep 25
1699 6:15 pm 9:38 pm Oct 3 - Oct 24
1750 6:15 pm 9:38 pm Oct 5 - Oct 5
1750 6:15 pm 9:38 pm Sep 28 - Sep 28
1750 6:15 pm 9:38 pm Sep 21 - Sep 21
503 6:15 pm 9:38 pm Sep 23 - Oct 1
503 6:15 pm 9:38 pm Oct 2 - Oct 8
1719 7:22 pm 10:55 pm Sep 21 - Oct 19
1594 7:26 pm 10:59 pm Sep 5 - Sep 19
1719 7:27 pm 11:00 pm Sep 25 - Sep 25
1719 7:32 pm 11:05 pm Oct 2 - Oct 13
1719 7:32 pm 11:05 pm Sep 22 - Oct 1