Cheap flights from Boston to San Francisco

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Boston to San Francisco flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to San Francisco by changing tabs
Quickest
Cheapest
Alaska Airlines
Alaska Airlines
26 Sep
BOS
04:20
Boston Logan Intl airport
6h 35m
07:55
SFO
San Francisco airport
Alaska Airlines
29 Sep
SFO
15:25
San Francisco airport
5h 40m
00:05
+1
BOS
Boston Logan Intl airport
17,068 INR
American Airlines
American Airlines
21 Sep
BOS
02:15
Boston Logan Intl airport
10h 42m
1 Stop
09:57
SFO
San Francisco airport
American Airlines
24 Sep
SFO
15:30
San Francisco airport
5h 44m
00:14
+1
BOS
Boston Logan Intl airport
17,498 INR
Delta
Delta
21 Sep
BOS
12:10
Boston Logan Intl airport
10h 42m
1 Stop
19:52
SFO
San Francisco airport
Delta
25 Sep
SFO
23:00
San Francisco airport
9h 40m
1 Stop
11:40
+1
BOS
Boston Logan Intl airport
18,216 INR
Alaska Airlines
Alaska Airlines
26 Sep
BOS
04:20
Boston Logan Intl airport
6h 35m
07:55
SFO
San Francisco airport
Alaska Airlines
29 Sep
SFO
15:25
San Francisco airport
5h 40m
00:05
+1
BOS
Boston Logan Intl airport
17,068 INR
American Airlines
American Airlines
21 Sep
BOS
02:15
Boston Logan Intl airport
10h 42m
1 Stop
09:57
SFO
San Francisco airport
American Airlines
24 Sep
SFO
15:30
San Francisco airport
5h 44m
00:14
+1
BOS
Boston Logan Intl airport
17,498 INR
Delta
Delta
27 Nov
BOS
02:10
Boston Logan Intl airport
7h 07m
06:17
SFO
San Francisco airport
Delta
01 Dec
SFO
15:59
San Francisco airport
9h 54m
1 Stop
04:53
+1
BOS
Boston Logan Intl airport
45,252 INR

How to get the cheapest flight from Boston to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
What is the cheapest month to fly to San Francisco?
February
The cheapest time of year to fly to San Francisco from Boston is February. The most expensive is July.
What is the cheapest day to fly to San Francisco?
Tuesday
The cheapest day of the week is usually Tuesday. The most expensive is usually Friday.
When is the cheapest time to fly to San Francisco?
in the afternoon
Boston to San Francisco flights are approximately 26% more expensive at midday than in the afternoon
What is the cheapest airline that flies to San Francisco?
Delta
Delta, JetBlue, and Alaska Airlines are the most popular carriers operating from Boston to San Francisco
What is the cheapest route?
Boston Logan Intl - San Francisco
Fly from Boston Logan Intl to San Francisco for the best Boston - San Francisco flight prices
BOS
Boston Logan Intl
SFO
San Francisco
When is the cheapest time to book a flight to San Francisco?
60 days before
The cheapest time to buy a flight from Boston to San Francisco is approximately 60 days before departure
60
Days before departure
0

Flight information for Boston to San Francisco

Find info about flight duration, direct flights, and airports for your flight from Boston to San Francisco
Fastest flight time 6h 25m The fastest flight from Boston to San Francisco takes 6h 25m.
Direct flights Every day Direct flights go from Boston to San Francisco every day.
Airports in San Francisco 1 airport There is 1 airport near San Francisco: San Francisco (SFO)

Flights from Boston to:

  • San Francisco
  • California
  • United States
  • North America

Flights to San Francisco from:

  • Boston Logan Intl
  • Massachusetts
  • United States
  • North America