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

Book cheap flights from Boston Logan International to San Francisco

(Round-trip)
Depart: Wed Mar 2 2016 Return: Mon Mar 7 2016 Trip spans 6 days
American Airlines
American Airlines
BOS
SFO
8h 48m
1 stop
SFO
BOS
7h 00m
1 stop
Depart: Tue Mar 29 2016 Return: Thu Apr 7 2016 Trip spans 10 days
American Airlines
American Airlines
BOS
SFO
8h 48m
1 stop
SFO
BOS
7h 06m
1 stop
Depart: Tue Apr 5 2016 Return: Mon Apr 11 2016 Trip spans 7 days
American Airlines
American Airlines
BOS
SFO
12h 22m
1 stop
SFO
BOS
7h 13m
1 stop
Depart: Sat Apr 9 2016 Return: Sat May 7 2016 Trip spans 29 days
American Airlines
American Airlines
BOS
SFO
8h 25m
1 stop
SFO
BOS
7h 32m
1 stop
Depart: Mon Apr 25 2016 Return: Tue May 24 2016 Trip spans 30 days
American Airlines
American Airlines
BOS
SFO
8h 25m
1 stop
SFO
BOS
8h 40m
1 stop
Depart: Sat Feb 20 2016 Return: Mon Feb 22 2016 Trip spans 3 days
United
United
BOS
SFO
6h 52m
nonstop
SFO
BOS
5h 41m
nonstop
Depart: Sat Apr 23 2016 Return: Sat Apr 30 2016 Trip spans 8 days
American Airlines
American Airlines
BOS
SFO
9h 01m
1 stop
SFO
BOS
10h 15m
1 stop
Depart: Tue May 17 2016 Return: Tue May 24 2016 Trip spans 8 days
American Airlines
American Airlines
BOS
SFO
11h 10m
1 stop
SFO
BOS
10h 03m
1 stop
Depart: Sun Feb 21 2016 Return: Wed Mar 9 2016 Trip spans 18 days
United
United
BOS
SFO
6h 52m
nonstop
SFO
BOS
5h 49m
nonstop
Depart: Thu Jun 2 2016 Return: Sat Jun 11 2016 Trip spans 10 days
American Airlines
American Airlines
BOS
SFO
8h 28m
1 stop
SFO
BOS
7h 58m
1 stop
Depart: Thu Mar 3 2016 Return: Sat Mar 5 2016 Trip spans 3 days
United
United
BOS
SFO
6h 48m
nonstop
SFO
BOS
5h 49m
nonstop
Depart: Sat Mar 19 2016 Return: Thu Mar 24 2016 Trip spans 6 days
United
United
BOS
SFO
6h 40m
nonstop
SFO
BOS
5h 42m
nonstop
Depart: Sun Mar 6 2016 Return: Sat Mar 12 2016 Trip spans 7 days
United
United
BOS
SFO
6h 44m
nonstop
SFO
BOS
5h 49m
nonstop
Depart: Fri Mar 11 2016 Return: Mon Mar 14 2016 Trip spans 3 days
United
United
BOS
SFO
6h 40m
nonstop
SFO
BOS
5h 46m
nonstop
Depart: Thu Mar 31 2016 Return: Sun Apr 3 2016 Trip spans 4 days
United
United
BOS
SFO
6h 52m
nonstop
SFO
BOS
5h 49m
nonstop
Depart: Tue Apr 26 2016 Return: Wed May 25 2016 Trip spans 30 days
United
United
BOS
SFO
6h 51m
nonstop
SFO
BOS
5h 53m
nonstop
Depart: Tue May 10 2016 Return: Sat May 14 2016 Trip spans 5 days
United
United
BOS
SFO
6h 45m
nonstop
SFO
BOS
5h 46m
nonstop
Depart: Wed Jun 1 2016 Return: Sun Jun 5 2016 Trip spans 5 days
United
United
BOS
SFO
6h 44m
nonstop
SFO
BOS
5h 34m
nonstop
Depart: Thu Aug 11 2016 Return: Thu Aug 18 2016 Trip spans 8 days
Delta
Delta
BOS
SFO
8h 06m
1 stop
SFO
BOS
9h 33m
1 stop
Depart: Thu Jun 16 2016 Return: Sun Jun 26 2016 Trip spans 11 days
JetBlue
JetBlue
BOS
SFO
6h 31m
nonstop
SFO
BOS
5h 39m
nonstop
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 9:35 am Mar 15 - Mar 15
433 6:00 am 9:52 am Mar 19 - Apr 2
433 6:00 am 9:52 am Feb 21 - Feb 21
433 6:00 am 9:52 am Feb 20 - Mar 1
433 6:00 am 9:52 am Feb 26 - Feb 28
433 6:00 am 9:52 am Feb 17 - Feb 25
433 6:00 am 9:52 am Mar 14 - Mar 24
433 6:00 am 9:46 am Mar 13 - Mar 20
433 6:00 am 9:52 am Mar 8 - Mar 8
433 6:00 am 9:46 am Mar 6 - Mar 12
433 6:00 am 9:52 am Mar 4 - Mar 11
433 6:00 am 9:52 am Mar 2 - Mar 2
433 6:00 am 9:52 am Feb 29 - Feb 29
207 7:55 am 11:44 am Mar 5 - Mar 5
207 7:55 am 11:44 am Mar 10 - Mar 10
207 7:55 am 11:44 am Mar 8 - Mar 8
207 7:55 am 11:44 am Mar 9 - Mar 9
207 7:55 am 11:44 am Mar 7 - Mar 7
207 7:55 am 11:44 am Mar 4 - Mar 11
207 7:55 am 11:44 am Mar 22 - Mar 22
207 7:55 am 11:44 am Mar 14 - Mar 21
207 7:55 am 11:44 am Mar 12 - Mar 12
207 7:55 am 11:44 am Mar 18 - Mar 18
207 7:55 am 11:44 am Mar 19 - Mar 19
207 7:55 am 11:44 am Mar 23 - Mar 23
207 7:55 am 11:44 am Mar 16 - Mar 16
207 7:55 am 11:44 am Mar 17 - Mar 17
207 8:04 am 11:45 am Mar 3 - Mar 3
207 8:05 am 11:54 am Mar 13 - Mar 20
207 8:05 am 11:54 am Mar 6 - Mar 6
207 8:09 am 12:01 pm Feb 11 - Mar 2
207 8:09 am 12:01 pm Feb 13 - Feb 27
1635 8:40 am 12:29 pm Mar 6 - Mar 6
1635 8:40 am 12:29 pm Mar 13 - Apr 3
1635 8:55 am 12:44 pm Mar 4 - Mar 11
1635 8:55 am 12:44 pm Mar 18 - Apr 1
1635 8:58 am 12:47 pm Mar 15 - Mar 29
1635 8:58 am 12:47 pm Mar 8 - Mar 8
1635 9:04 am 12:53 pm Mar 7 - Mar 7
1635 9:04 am 12:53 pm Mar 14 - Apr 4
1635 9:05 am 12:53 pm Mar 16 - Mar 31
1635 9:05 am 12:53 pm Mar 3 - Mar 10
684 9:05 am 1:01 pm Feb 21 - Feb 28
684 9:20 am 1:16 pm Feb 17 - Mar 2
684 9:20 am 1:16 pm Feb 12 - Mar 1
477 10:30 am 2:19 pm Mar 12 - Mar 12
477 10:48 am 2:37 pm Mar 16 - Mar 16
477 10:51 am 2:40 pm Mar 13 - Apr 3
477 10:51 am 2:40 pm Mar 6 - Mar 6
477 10:53 am 2:42 pm Mar 3 - Mar 11
477 10:53 am 2:42 pm Mar 23 - Apr 1
477 10:53 am 2:42 pm Mar 15 - Mar 22
477 10:54 am 2:43 pm Mar 5 - Mar 5
477 10:54 am 2:43 pm Mar 19 - Apr 2
477 10:58 am 2:45 pm Mar 7 - Mar 7
477 10:58 am 2:45 pm Mar 14 - Apr 4
477 11:00 am 2:56 pm Feb 13 - Feb 27
477 11:06 am 3:02 pm Feb 23 - Mar 1
477 11:08 am 3:04 pm Feb 17 - Mar 2
477 11:08 am 3:04 pm Feb 22 - Feb 29
477 11:08 am 3:04 pm Feb 11 - Feb 21
630 3:45 pm 7:29 pm Mar 4 - Mar 12
630 3:45 pm 7:29 pm Mar 13 - Apr 4
630 3:45 pm 7:29 pm Mar 3 - Mar 3
1572 3:58 pm 7:41 pm Feb 19 - Feb 29
1572 3:58 pm 7:41 pm Feb 25 - Feb 25
1572 3:58 pm 7:41 pm Feb 15 - Feb 21
1572 3:58 pm 7:41 pm Mar 2 - Mar 2
1572 3:58 pm 7:41 pm Feb 24 - Feb 28
1572 4:39 pm 8:23 pm Mar 9 - Mar 9
1572 4:42 pm 8:26 pm Mar 6 - Mar 6
1572 4:42 pm 8:26 pm Mar 20 - Mar 20
1572 4:45 pm 8:30 pm Mar 3 - Mar 3
1572 4:45 pm 8:30 pm Mar 4 - Mar 4
1572 4:45 pm 8:30 pm Mar 7 - Mar 7
1572 4:45 pm 8:30 pm Mar 22 - Mar 29
1572 4:45 pm 8:30 pm Mar 16 - Mar 24
1572 4:45 pm 8:30 pm Mar 14 - Mar 21
1572 4:45 pm 8:30 pm Mar 18 - Mar 18
1572 4:45 pm 8:30 pm Mar 15 - Mar 15
1572 4:45 pm 8:30 pm Mar 8 - Mar 8
1572 4:45 pm 8:30 pm Mar 11 - Mar 11
1572 4:45 pm 8:30 pm Mar 10 - Mar 10
1572 4:47 pm 8:32 pm Mar 13 - Mar 13
1572 5:14 pm 8:59 pm Mar 12 - Mar 12
1572 5:16 pm 9:01 pm Mar 5 - Mar 5
1572 5:16 pm 9:01 pm Mar 19 - Mar 19
576 5:50 pm 9:30 pm Mar 21 - Mar 21
576 5:56 pm 9:36 pm Mar 20 - Mar 20
576 5:57 pm 9:37 pm Mar 7 - Mar 7
576 6:07 pm 9:47 pm Mar 5 - Mar 12
576 6:07 pm 9:47 pm Mar 13 - Mar 19
576 6:07 pm 9:55 pm Mar 6 - Mar 6
576 6:08 pm 9:48 pm Mar 14 - Mar 18
576 6:08 pm 9:48 pm Mar 3 - Mar 11
576 6:08 pm 9:48 pm Mar 23 - Mar 30
503 6:10 pm 9:45 pm Feb 13 - Feb 27
503 6:10 pm 9:45 pm Feb 11 - Mar 2
576 6:14 pm 10:02 pm Mar 8 - Mar 8
576 6:16 pm 10:04 pm Mar 15 - Mar 29
* 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
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Airports
Origin

Boston
$274
Destination

San Francisco
$274