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
Delta
Delta
17 Sep
BOS
03:40
Boston Logan Intl airport
6h 36m
07:16
SFO
San Francisco airport
Delta
22 Sep
SFO
15:25
San Francisco airport
5h 50m
00:15
+1
BOS
Boston Logan Intl airport
188 GBP
JetBlue
JetBlue
25 Oct
BOS
17:40
Boston Logan Intl airport
6h 32m
21:12
SFO
San Francisco airport
JetBlue
03 Nov
SFO
13:00
San Francisco airport
5h 30m
21:30
BOS
Boston Logan Intl airport
196 GBP
Delta
Delta
06 Sep
BOS
03:40
Boston Logan Intl airport
6h 36m
07:16
SFO
San Francisco airport
Delta
08 Sep
SFO
15:30
San Francisco airport
5h 44m
00:14
+1
BOS
Boston Logan Intl airport
216 GBP
JetBlue
JetBlue
25 Oct
BOS
17:40
Boston Logan Intl airport
6h 32m
21:12
SFO
San Francisco airport
JetBlue
03 Nov
SFO
13:00
San Francisco airport
5h 30m
21:30
BOS
Boston Logan Intl airport
196 GBP
Delta
Delta
06 Sep
BOS
03:40
Boston Logan Intl airport
6h 36m
07:16
SFO
San Francisco airport
Delta
08 Sep
SFO
15:30
San Francisco airport
5h 44m
00:14
+1
BOS
Boston Logan Intl airport
216 GBP
JetBlue
JetBlue
27 Aug
BOS
11:30
Boston Logan Intl airport
6h 45m
15:15
SFO
San Francisco airport
JetBlue
02 Sep
SFO
13:25
San Francisco airport
5h 36m
22:01
BOS
Boston Logan Intl airport
514 GBP

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 Saturday.
When is the cheapest time to fly to San Francisco?
at midday
Boston to San Francisco flights are approximately 80% more expensive in the afternoon than at midday
What is the cheapest airline that flies to San Francisco?
American Airlines
American Airlines, Alaska Airlines, and Delta 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 22m The fastest flight from Boston to San Francisco takes 6h 22m.
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