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

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 San Francisco to Boston Logan International

(Round-trip)
Depart: Wed Sep 21 2016 Return: Thu Sep 22 2016 Trip spans 2 days
Depart: Tue Aug 23 2016 Return: Wed Aug 24 2016 Trip spans 2 days
Depart: Wed Nov 9 2016 Return: Tue Nov 15 2016 Trip spans 7 days
Depart: Mon Aug 29 2016 Return: Wed Sep 7 2016 Trip spans 10 days
Depart: Thu Jan 5 2017 Return: Sun Jan 8 2017 Trip spans 4 days
Depart: Mon Oct 24 2016 Return: Fri Oct 28 2016 Trip spans 5 days
Depart: Tue Aug 30 2016 Return: Wed Aug 31 2016 Trip spans 2 days
Depart: Mon Sep 12 2016 Return: Tue Sep 13 2016 Trip spans 2 days
Depart: Wed Sep 14 2016 Return: Tue Sep 20 2016 Trip spans 7 days
Depart: Tue Nov 1 2016 Return: Sat Nov 5 2016 Trip spans 5 days
Depart: Mon Nov 21 2016 Return: Fri Nov 25 2016 Trip spans 5 days
Depart: Sun Nov 20 2016 Return: Tue Nov 22 2016 Trip spans 3 days
Depart: Wed Sep 28 2016 Return: Tue Oct 4 2016 Trip spans 7 days
Depart: Tue Nov 1 2016 Return: Mon Nov 7 2016 Trip spans 7 days
Depart: Thu Dec 15 2016 Return: Sun Dec 25 2016 Trip spans 11 days
Depart: Wed Oct 5 2016 Return: Tue Oct 11 2016 Trip spans 7 days
Depart: Sat Dec 24 2016 Return: Sat Dec 31 2016 Trip spans 8 days
Depart: Sat Oct 22 2016 Return: Sat Oct 29 2016 Trip spans 8 days
Depart: Thu Dec 22 2016 Return: Sat Dec 31 2016 Trip spans 10 days
Depart: Fri Sep 30 2016 Return: Sat Oct 8 2016 Trip spans 9 days
Direct flights SFO to BOS on United
Flight # Depart SFO Arrive BOS Sun Mon Tue Wed Thu Fri Sat Valid Between
1946 6:00 am 2:48 pm Sep 4 - Sep 4
1946 6:00 am 2:48 pm Sep 3 - Sep 5
1946 6:00 am 2:48 pm Aug 16 - Sep 2
1946 6:00 am 2:47 pm Aug 7 - Aug 14
1946 6:00 am 2:47 pm Jul 29 - Aug 12
1946 6:00 am 2:47 pm Jul 27 - Aug 10
1946 6:00 am 2:47 pm Aug 13 - Aug 13
1946 6:00 am 2:47 pm Jul 26 - Aug 11
1946 6:05 am 2:52 pm Aug 15 - Aug 15
1946 6:05 am 2:52 pm Aug 6 - Aug 6
1946 6:05 am 2:52 pm Aug 8 - Aug 8
768 8:10 am 4:52 pm Jul 26 - Aug 9
768 8:10 am 4:45 pm Jul 28 - Aug 15
768 8:10 am 4:40 pm Jul 31 - Aug 14
768 8:11 am 4:53 pm Aug 3 - Aug 10
768 8:20 am 5:02 pm Aug 18 - Sep 1
768 8:20 am 5:02 pm Sep 3 - Sep 5
768 8:30 am 5:10 pm Aug 16 - Aug 16
768 8:35 am 5:24 pm Aug 30 - Aug 30
768 8:38 am 5:20 pm Sep 2 - Sep 2
768 8:44 am 5:33 pm Aug 17 - Aug 31
768 8:54 am 5:43 pm Aug 23 - Aug 23
788 10:43 am 7:28 pm Sep 4 - Sep 4
788 10:43 am 7:28 pm Sep 5 - Sep 5
788 10:45 am 7:30 pm Aug 30 - Sep 6
788 10:45 am 7:30 pm Aug 16 - Aug 16
788 10:45 am 7:30 pm Aug 22 - Aug 29
788 10:45 am 7:30 pm Aug 24 - Aug 24
788 10:45 am 7:30 pm Aug 25 - Aug 25
788 10:45 am 7:30 pm Aug 18 - Aug 18
788 10:45 am 7:30 pm Aug 20 - Sep 3
788 10:45 am 7:30 pm Aug 19 - Aug 26
788 10:45 am 7:30 pm Aug 17 - Aug 17
788 10:45 am 7:30 pm Sep 1 - Sep 1
788 10:50 am 7:35 pm Aug 31 - Aug 31
242 10:51 am 7:39 pm Aug 6 - Aug 6
788 10:53 am 7:38 pm Aug 21 - Aug 28
788 11:01 am 7:49 pm Aug 13 - Aug 13
788 11:10 am 7:58 pm Jul 26 - Aug 5
788 11:10 am 7:58 pm Aug 8 - Aug 12
788 11:11 am 7:59 pm Aug 15 - Aug 15
788 11:20 am 8:08 pm Jul 31 - Aug 14
242 1:05 pm 9:54 pm Sep 3 - Sep 3
242 1:05 pm 9:54 pm Aug 20 - Aug 27
242 1:05 pm 9:54 pm Aug 16 - Aug 31
242 1:05 pm 9:54 pm Sep 5 - Sep 5
242 1:24 pm 10:13 pm Aug 21 - Aug 28
242 1:30 pm 10:19 pm Aug 18 - Sep 1
242 1:31 pm 10:20 pm Sep 4 - Sep 4
242 1:36 pm 10:25 pm Sep 2 - Sep 2
242 1:36 pm 10:25 pm Aug 19 - Aug 26
242 1:36 pm 10:24 pm Aug 5 - Aug 5
242 1:39 pm 10:21 pm Aug 12 - Aug 12
242 2:00 pm 10:48 pm Aug 7 - Aug 15
708 2:30 pm 11:08 pm Sep 3 - Sep 3
792 3:42 pm 12:27 am Jul 30 - Aug 13
333 4:00 pm 12:45 am Jul 26 - Aug 15
333 4:04 pm 12:49 am Aug 12 - Aug 12
333 4:04 pm 12:49 am Jul 29 - Aug 5
72 4:10 pm 12:55 am Aug 6 - Aug 13
444 4:25 pm 1:04 am Sep 4 - Sep 4
444 4:25 pm 1:04 am Aug 27 - Aug 27
444 4:25 pm 1:02 am Sep 1 - Sep 1
444 4:25 pm 1:04 am Aug 25 - Aug 30
444 4:25 pm 1:04 am Aug 21 - Aug 28
444 4:25 pm 1:04 am Aug 22 - Aug 29
444 4:25 pm 1:04 am Aug 17 - Aug 31
444 4:25 pm 1:04 am Aug 16 - Aug 18
444 4:25 pm 1:04 am Aug 20 - Aug 20
444 4:25 pm 1:04 am Aug 23 - Aug 23
444 4:25 pm 1:04 am Sep 5 - Sep 5
444 4:37 pm 1:16 am Aug 19 - Sep 2
792 4:45 pm 1:30 am Aug 7 - Aug 14
2013 8:38 pm 5:21 am Jul 29 - Aug 12
2013 8:38 pm 5:24 am Aug 10 - Aug 10
2013 9:00 pm 5:39 am Aug 20 - Aug 27
2013 9:05 pm 5:44 am Sep 5 - Sep 5
2013 9:05 pm 5:44 am Aug 29 - Aug 31
2013 9:05 pm 5:44 am Aug 25 - Sep 1
2013 9:05 pm 5:42 am Aug 21 - Aug 28
2013 9:05 pm 5:44 am Aug 17 - Aug 24
2013 9:10 pm 5:56 am Aug 11 - Aug 11
2013 9:10 pm 5:56 am Jul 26 - Aug 9
2013 9:15 pm 5:54 am Aug 16 - Aug 19
2013 9:15 pm 5:54 am Aug 26 - Sep 2
2013 9:15 pm 6:01 am Aug 14 - Aug 14
2013 9:17 pm 6:03 am Aug 15 - Aug 15
2013 9:21 pm 6:07 am Aug 7 - Aug 7
380 10:05 pm 6:32 am Sep 5 - Sep 5
380 10:05 pm 6:32 am Sep 1 - Sep 2
380 10:15 pm 6:48 am Aug 22 - Aug 29
380 10:17 pm 6:44 am Aug 18 - Aug 25
1740 10:20 pm 6:54 am Jul 26 - Aug 15
380 10:24 pm 6:57 am Aug 26 - Aug 26
1740 10:30 pm 7:03 am Aug 20 - Aug 20
1740 10:30 pm 7:03 am Aug 27 - Aug 27
380 10:30 pm 7:03 am Sep 3 - Sep 3
380 10:30 pm 6:57 am Aug 17 - Aug 17
380 10:30 pm 6:57 am Aug 16 - Aug 16
380 10:30 pm 6:57 am Aug 23 - Sep 6
380 10:33 pm 7:00 am Aug 28 - Aug 28
380 10:33 pm 7:00 am Aug 21 - Aug 21
380 10:35 pm 7:08 am Sep 4 - Sep 4
1740 11:10 pm 7:46 am Aug 22 - Aug 29
1740 11:10 pm 7:51 am Aug 21 - Aug 28
1740 11:10 pm 7:51 am Aug 19 - Sep 2
1740 11:10 pm 7:51 am Aug 18 - Sep 1
1740 11:20 pm 7:59 am Sep 5 - Sep 5
380 11:20 pm 7:54 am Aug 14 - Aug 14
380 11:20 pm 7:54 am Aug 15 - Aug 15
380 11:20 pm 7:54 am Aug 12 - Aug 12
380 11:20 pm 7:54 am Aug 5 - Aug 5
380 11:20 pm 7:54 am Aug 11 - Aug 11
380 11:20 pm 7:54 am Jul 30 - Aug 13
380 11:20 pm 7:54 am Aug 10 - Aug 10
380 11:20 pm 7:54 am Aug 9 - Aug 9
380 11:20 pm 7:54 am Aug 8 - Aug 8
380 11:20 pm 7:54 am Aug 7 - Aug 7
1433 11:44 pm 8:20 am Sep 4 - Sep 4
1433 11:58 pm 8:39 am Aug 18 - Sep 5
1433 11:59 pm 8:38 am Aug 21 - Aug 28
1433 11:59 pm 8:40 am Aug 19 - Sep 2
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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

Here's why:

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

We compile tonnes 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 can'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.

If you have 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

San Francisco
$331
Destination

Boston
$331
Airlines Airline reviews

189 travelers who booked a flight from San Francisco to Boston rated their chosen airlines with an average of 7.4.

Overall
7.7
Boarding
7.9
Crew
8.0
Comfort
7.3
Food
6.0
Entertainment
6.8