Find Deals on Flights from Boston Logan International to San Francisco (BOS - SFO)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Boston Logan International to San Francisco

(Round-trip)
Depart: Mon Jun 13 2016 Return: Mon Jun 20 2016 Trip spans 8 days
Depart: Tue May 31 2016 Return: Mon Jun 13 2016 Trip spans 14 days
Depart: Wed Jun 8 2016 Return: Tue Jun 14 2016 Trip spans 7 days
Depart: Wed Sep 14 2016 Return: Sat Oct 8 2016 Trip spans 25 days
Depart: Thu Sep 1 2016 Return: Wed Sep 7 2016 Trip spans 7 days
Depart: Thu Oct 20 2016 Return: Sat Oct 22 2016 Trip spans 3 days
Depart: Wed Jun 15 2016 Return: Wed Jul 6 2016 Trip spans 22 days
Depart: Tue Jun 14 2016 Return: Mon Jun 20 2016 Trip spans 7 days
Depart: Sat Oct 1 2016 Return: Wed Oct 5 2016 Trip spans 5 days
Depart: Thu Jun 16 2016 Return: Mon Jun 20 2016 Trip spans 5 days
Depart: Mon Aug 29 2016 Return: Sat Sep 3 2016 Trip spans 6 days
Depart: Fri Nov 4 2016 Return: Tue Nov 8 2016 Trip spans 5 days
Depart: Thu Sep 22 2016 Return: Thu Sep 29 2016 Trip spans 8 days
Depart: Sat Jun 25 2016 Return: Tue Jul 5 2016 Trip spans 11 days
Depart: Wed Aug 31 2016 Return: Sat Sep 3 2016 Trip spans 4 days
Depart: Wed Nov 2 2016 Return: Mon Nov 7 2016 Trip spans 6 days
Depart: Sat Sep 17 2016 Return: Wed Sep 21 2016 Trip spans 5 days
Depart: Mon Sep 5 2016 Return: Thu Sep 8 2016 Trip spans 4 days
Depart: Tue Aug 16 2016 Return: Wed Aug 17 2016 Trip spans 2 days
Depart: Thu Jul 21 2016 Return: Tue Aug 30 2016 Trip spans 41 days
Direct flights BOS to SFO on United
Flight # Depart BOS Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
433 5:45 am 9:23 am Jun 24 - Jun 24
433 5:55 am 9:22 am Jul 1 - Jul 8
433 5:58 am 9:25 am Jul 3 - Aug 14
433 6:00 am 9:44 am Jun 20 - Jun 30
433 6:00 am 9:45 am May 24 - Jun 8
433 6:00 am 9:44 am Jun 9 - Jun 18
433 6:00 am 9:27 am Jul 2 - Aug 13
433 6:00 am 9:39 am Jun 19 - Jun 19
1649 6:51 am 10:33 am Jul 2 - Aug 13
1190 6:57 am 10:46 am Jun 1 - Jun 8
1883 6:58 am 10:40 am Jun 11 - Jun 25
1649 7:00 am 10:36 am Jul 1 - Jul 1
1190 7:05 am 10:55 am Jun 2 - Jun 6
1883 7:18 am 11:00 am Jun 16 - Jun 23
1883 7:18 am 11:00 am Jun 24 - Jun 30
1883 7:18 am 11:00 am Jun 10 - Jun 22
1883 7:18 am 11:00 am Jun 27 - Jun 29
1883 7:18 am 10:54 am Jun 12 - Jun 26
207 7:55 am 11:25 am Jun 9 - Jun 9
207 8:05 am 11:27 am Jun 11 - Jun 25
207 8:05 am 11:35 am Jun 19 - Jun 26
207 8:05 am 11:27 am Jun 10 - Jun 30
207 8:10 am 11:32 am Jul 3 - Jul 3
207 8:10 am 11:32 am Jul 2 - Aug 13
1635 8:17 am 12:06 pm Jun 5 - Jun 5
1635 8:17 am 11:58 am May 24 - Jun 8
1883 8:25 am 11:47 am Jun 9 - Jun 9
207 8:27 am 11:57 am Jun 12 - Jun 12
207 8:31 am 12:01 pm Jul 1 - Jul 1
477 10:52 am 2:24 pm Jun 19 - Jun 19
477 11:07 am 2:44 pm Jul 3 - Jul 3
477 11:10 am 2:45 pm Jun 25 - Jun 26
477 11:10 am 2:45 pm Jun 9 - Jun 30
477 11:10 am 2:45 pm Jun 11 - Jun 18
477 11:11 am 3:00 pm May 26 - Jun 3
477 11:11 am 3:00 pm May 28 - Jun 4
477 11:11 am 3:00 pm Jun 6 - Jun 8
477 11:11 am 3:00 pm Jun 5 - Jun 7
477 11:15 am 2:52 pm Jul 1 - Jul 8
477 11:15 am 2:52 pm Jul 2 - Aug 13
783 1:05 pm 4:49 pm May 28 - Jun 4
1572 3:47 pm 7:20 pm Jul 2 - Jul 30
1572 3:47 pm 7:21 pm Jun 9 - Jun 30
1572 3:47 pm 7:20 pm Jul 1 - Jul 8
1572 3:49 pm 7:33 pm May 26 - Jun 6
1572 3:49 pm 7:23 pm Jun 11 - Jun 26
1572 3:58 pm 7:42 pm Jun 5 - Jun 5
1572 3:59 pm 7:43 pm May 25 - Jun 8
1572 4:08 pm 7:52 pm Jun 7 - Jun 7
576 5:45 pm 9:12 pm Jun 9 - Jun 30
576 5:55 pm 9:26 pm Jul 1 - Aug 15
576 5:57 pm 9:36 pm May 24 - Jun 8
1010 7:02 pm 10:46 pm May 26 - Jun 3
1010 7:02 pm 10:46 pm Jun 4 - Jun 4
1010 7:02 pm 10:46 pm Jun 6 - Jun 6
1010 7:06 pm 10:50 pm Jun 7 - Jun 7
1010 7:06 pm 10:50 pm Jun 8 - Jun 8
1010 7:10 pm 10:54 pm Jun 5 - Jun 5
1010 7:33 pm 11:07 pm Jun 29 - Jun 29
1010 7:40 pm 11:25 pm Jun 9 - Jun 28
1010 7:40 pm 11:25 pm Jun 30 - Jun 30
1010 7:45 pm 11:24 pm Jul 3 - Jul 3
1010 7:45 pm 11:30 pm Jul 1 - Jul 8
1010 7:50 pm 11:35 pm Jun 12 - Jun 26
254 8:50 pm 12:37 am Jun 19 - Jun 26
254 8:50 pm 12:37 am Jun 11 - Jun 25
254 8:50 pm 12:37 am Jun 9 - Jun 16
254 8:50 pm 12:37 am Jun 10 - Jun 12
254 8:50 pm 12:37 am Jun 17 - Jun 30
366 8:55 pm 12:40 am Jun 3 - Jun 5
366 8:55 pm 12:40 am Jun 8 - Jun 8
366 8:55 pm 12:40 am Jun 6 - Jun 6
366 8:55 pm 12:40 am May 26 - Jun 2
693 9:05 pm 12:52 am Jul 1 - Jul 8
693 9:07 pm 12:54 am Jul 2 - Jul 23
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We make every attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller
At KAYAK we don’t set prices, so it’s not possible for us to guarantee what other companies are selling.

We aggregate tons of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we don't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find on occasion that certain prices are no longer available.

More questions or if you have a bad price to report to us
Please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Boston
$354
Destination

San Francisco
$354