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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from San Francisco to Boston Logan International

(Round-trip)
Depart: Wed Mar 2 2016 Return: Thu Mar 3 2016 Trip spans 2 days
United
United
SFO
BOS
5h 41m
nonstop
BOS
SFO
6h 48m
nonstop
Depart: Fri Mar 4 2016 Return: Tue Mar 8 2016 Trip spans 5 days
JetBlue
JetBlue
SFO
BOS
5h 31m
nonstop
BOS
SFO
6h 44m
nonstop
Depart: Fri Feb 26 2016 Return: Tue Mar 8 2016 Trip spans 12 days
United
United
SFO
BOS
5h 21m
nonstop
BOS
SFO
6h 44m
nonstop
Depart: Wed Mar 16 2016 Return: Sun Mar 20 2016 Trip spans 5 days
United
United
SFO
BOS
5h 49m
nonstop
BOS
SFO
6h 49m
nonstop
Depart: Thu Apr 21 2016 Return: Sun May 1 2016 Trip spans 11 days
United
United
SFO
BOS
5h 49m
nonstop
BOS
SFO
6h 51m
nonstop
Depart: Fri May 13 2016 Return: Mon May 16 2016 Trip spans 4 days
United
United
SFO
BOS
5h 26m
nonstop
BOS
SFO
6h 43m
nonstop
Depart: Fri Jun 3 2016 Return: Sat Jun 4 2016 Trip spans 2 days
United
United
SFO
BOS
5h 26m
nonstop
BOS
SFO
6h 25m
nonstop
Depart: Wed Mar 30 2016 Return: Sat Apr 2 2016 Trip spans 4 days
United
United
SFO
BOS
5h 49m
nonstop
BOS
SFO
6h 52m
nonstop
Depart: Fri Apr 1 2016 Return: Sat Apr 2 2016 Trip spans 2 days
United
United
SFO
BOS
5h 46m
nonstop
BOS
SFO
6h 44m
nonstop
Depart: Thu May 5 2016 Return: Sun May 8 2016 Trip spans 4 days
United
United
SFO
BOS
5h 46m
nonstop
BOS
SFO
6h 43m
nonstop
Depart: Wed Jun 1 2016 Return: Mon Jun 6 2016 Trip spans 6 days
United
United
SFO
BOS
5h 39m
nonstop
BOS
SFO
6h 43m
nonstop
Depart: Thu Jun 2 2016 Return: Sat Jun 4 2016 Trip spans 3 days
United
United
SFO
BOS
5h 46m
nonstop
BOS
SFO
6h 43m
nonstop
Depart: Mon Mar 21 2016 Return: Fri Mar 25 2016 Trip spans 5 days
Virgin America
Virgin America
SFO
BOS
5h 39m
nonstop
BOS
SFO
6h 46m
nonstop
Depart: Thu Jun 16 2016 Return: Mon Jun 20 2016 Trip spans 5 days
Delta
Delta
SFO
BOS
9h 33m
1 stop
BOS
SFO
8h 17m
1 stop
Depart: Wed May 25 2016 Return: Mon May 30 2016 Trip spans 6 days
United
United
SFO
BOS
5h 46m
nonstop
BOS
SFO
6h 21m
nonstop
Depart: Sat Jun 4 2016 Return: Thu Jun 23 2016 Trip spans 20 days
United
United
SFO
BOS
5h 44m
nonstop
BOS
SFO
6h 45m
nonstop
Depart: Mon Jul 18 2016 Return: Sat Jul 23 2016 Trip spans 6 days
American Airlines
American Airlines
SFO
BOS
10h 31m
1 stop
BOS
SFO
8h 36m
1 stop
Depart: Mon Jul 4 2016 Return: Tue Jul 19 2016 Trip spans 16 days
United
United
SFO
BOS
5h 33m
nonstop
BOS
SFO
6h 21m
nonstop
Depart: Tue Jul 5 2016 Return: Wed Jul 20 2016 Trip spans 16 days
United
United
SFO
BOS
5h 38m
nonstop
BOS
SFO
6h 21m
nonstop
Depart: Tue Aug 9 2016 Return: Tue Aug 23 2016 Trip spans 15 days
United
United
SFO
BOS
5h 38m
nonstop
BOS
SFO
6h 45m
nonstop
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 2:49 pm Mar 5 - Mar 12
1946 6:00 am 2:49 pm Mar 6 - Mar 6
1946 6:00 am 2:49 pm Mar 13 - Mar 13
1946 6:00 am 2:49 pm Mar 4 - Mar 4
1946 6:00 am 2:49 pm Mar 9 - Mar 9
1946 6:00 am 2:49 pm Mar 11 - Mar 11
1946 6:00 am 2:49 pm Mar 18 - Mar 25
1946 6:00 am 2:49 pm Mar 14 - Mar 17
1946 6:00 am 2:49 pm Mar 15 - Mar 15
1946 6:00 am 2:49 pm Mar 7 - Mar 7
1946 6:00 am 2:49 pm Mar 3 - Mar 10
1946 6:00 am 2:49 pm Mar 8 - Mar 8
1946 6:15 am 2:58 pm Feb 22 - Feb 22
1946 6:15 am 2:58 pm Feb 29 - Feb 29
1946 6:15 am 2:56 pm Feb 16 - Mar 1
1946 6:15 am 2:58 pm Feb 11 - Feb 26
768 8:10 am 4:52 pm Mar 7 - Mar 7
768 8:19 am 5:01 pm Mar 3 - Mar 11
768 8:19 am 5:01 pm Mar 14 - Mar 18
768 8:20 am 5:02 pm Mar 5 - Mar 12
768 8:20 am 5:02 pm Mar 13 - Mar 19
768 8:22 am 4:59 pm Feb 11 - Mar 2
768 8:25 am 5:14 pm Mar 6 - Mar 6
768 8:30 am 5:19 pm Mar 8 - Mar 8
768 8:37 am 5:26 pm Mar 15 - Mar 15
788 10:59 am 7:43 pm Mar 7 - Mar 8
788 10:59 am 7:43 pm Mar 3 - Mar 10
788 10:59 am 7:43 pm Mar 15 - Mar 22
788 10:59 am 7:43 pm Mar 11 - Mar 11
788 10:59 am 7:43 pm Mar 14 - Mar 14
788 10:59 am 7:43 pm Mar 9 - Mar 9
788 10:59 am 7:43 pm Mar 16 - Mar 23
788 10:59 am 7:43 pm Mar 17 - Mar 24
788 10:59 am 7:43 pm Mar 18 - Mar 25
788 11:02 am 7:43 pm Feb 29 - Feb 29
788 11:02 am 7:45 pm Feb 20 - Feb 27
788 11:02 am 7:43 pm Feb 18 - Feb 25
788 11:02 am 7:45 pm Feb 12 - Feb 26
788 11:02 am 7:43 pm Feb 17 - Feb 24
788 11:02 am 7:45 pm Feb 16 - Feb 16
788 11:02 am 7:45 pm Feb 28 - Feb 28
788 11:02 am 7:43 pm Feb 23 - Mar 1
788 11:02 am 7:45 pm Feb 21 - Feb 21
788 11:02 am 7:45 pm Mar 2 - Mar 2
788 11:15 am 7:59 pm Mar 13 - Mar 13
788 11:16 am 8:00 pm Mar 6 - Mar 6
788 11:30 am 8:14 pm Mar 5 - Mar 12
242 12:51 pm 9:40 pm Mar 6 - Mar 6
242 12:51 pm 9:40 pm Mar 13 - Mar 13
242 12:56 pm 9:45 pm Mar 14 - Apr 4
242 12:56 pm 9:45 pm Mar 3 - Mar 11
242 1:08 pm 9:57 pm Mar 5 - Mar 12
242 1:10 pm 9:45 pm Feb 7 - Mar 2
444 3:50 pm 12:11 am Feb 12 - Feb 19
444 3:50 pm 12:11 am Feb 28 - Feb 28
444 3:50 pm 12:11 am Feb 20 - Feb 27
444 3:50 pm 12:11 am Feb 29 - Feb 29
444 3:50 pm 12:11 am Feb 21 - Feb 26
444 4:10 pm 12:56 am Mar 15 - Mar 22
444 4:10 pm 12:56 am Mar 11 - Mar 11
444 4:10 pm 12:56 am Mar 17 - Mar 24
444 4:10 pm 12:56 am Mar 14 - Mar 21
444 4:10 pm 12:56 am Mar 3 - Mar 10
444 4:10 pm 12:56 am Mar 18 - Mar 18
444 4:10 pm 12:56 am Mar 4 - Mar 4
444 4:10 pm 12:56 am Mar 8 - Mar 9
444 4:15 pm 1:01 am Mar 16 - Mar 16
444 4:17 pm 12:38 am Feb 16 - Mar 2
444 4:20 pm 1:06 am Mar 6 - Mar 6
444 4:20 pm 1:06 am Mar 13 - Mar 13
444 4:54 pm 1:40 am Mar 5 - Mar 5
444 4:56 pm 1:42 am Mar 12 - Mar 12
2013 9:16 pm 7:02 am Mar 12 - Mar 12
2013 9:16 pm 6:02 am Mar 5 - Mar 5
2013 9:38 pm 6:24 am Mar 3 - Mar 7
2013 9:38 pm 6:24 am Mar 8 - Mar 8
2013 9:38 pm 6:24 am Mar 4 - Mar 4
2013 9:38 pm 6:24 am Mar 14 - Apr 4
2013 9:38 pm 6:24 am Mar 15 - Mar 29
2013 9:38 pm 6:24 am Mar 18 - Apr 1
2013 9:38 pm 6:24 am Mar 11 - Mar 11
2013 9:40 pm 6:26 am Mar 6 - Mar 6
2013 9:40 pm 6:26 am Mar 13 - Apr 3
2013 9:44 pm 6:30 am Mar 9 - Mar 9
2013 9:44 pm 6:30 am Mar 16 - Mar 30
2013 9:50 pm 6:36 am Mar 10 - Mar 10
380 10:30 pm 8:11 am Mar 12 - Mar 12
380 10:55 pm 7:36 am Mar 5 - Mar 5
380 11:00 pm 7:46 am Mar 6 - Mar 6
380 11:00 pm 7:46 am Mar 13 - Mar 13
380 11:08 pm 7:54 am Mar 18 - Mar 18
380 11:08 pm 7:54 am Mar 17 - Mar 24
380 11:08 pm 7:54 am Mar 15 - Mar 15
380 11:08 pm 7:54 am Mar 4 - Mar 4
380 11:08 pm 7:54 am Mar 3 - Mar 10
380 11:08 pm 7:54 am Mar 7 - Mar 7
380 11:08 pm 7:54 am Mar 9 - Mar 9
380 11:08 pm 7:54 am Mar 11 - Mar 11
380 11:08 pm 7:54 am Mar 14 - Mar 14
380 11:08 pm 7:49 am Feb 12 - Feb 26
380 11:08 pm 7:54 am Mar 16 - Mar 30
380 11:08 pm 7:54 am Mar 8 - Mar 8
380 11:10 pm 7:51 am Feb 17 - Feb 24
380 11:10 pm 7:51 am Feb 27 - Feb 28
380 11:10 pm 7:51 am Mar 2 - Mar 2
380 11:10 pm 7:51 am Feb 22 - Mar 1
380 11:10 pm 7:53 am Feb 16 - Feb 16
380 11:10 pm 7:51 am Feb 11 - Feb 18
380 11:10 pm 7:51 am Feb 14 - Feb 21
* 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

San Francisco
$331
Destination

Boston
$331