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
05 Mar
12:10
BOS
Boston Logan Intl airport
7h 08m
SFO
16:18
San Francisco airport
Alaska Airlines
13 Mar
13:40
SFO
San Francisco airport
10h 16m
1 Stop
BOS
02:56
+1
Boston Logan Intl airport
209 GBP
Alaska Airlines
Alaska Airlines
13 Mar
13:10
BOS
Boston Logan Intl airport
7h 08m
SFO
17:18
San Francisco airport
Alaska Airlines
21 Mar
13:25
SFO
San Francisco airport
5h 35m
BOS
22:00
Boston Logan Intl airport
339 GBP
JetBlue
JetBlue
03 Jan
13:05
BOS
Boston Logan Intl airport
7h 08m
SFO
17:13
San Francisco airport
JetBlue
05 Jan
14:20
SFO
San Francisco airport
5h 45m
BOS
23:05
Boston Logan Intl airport
436 GBP
Alaska Airlines
Alaska Airlines
24 Dec
12:05
BOS
Boston Logan Intl airport
6h 55m
SFO
16:00
San Francisco airport
Alaska Airlines
29 Dec
12:40
SFO
San Francisco airport
5h 29m
BOS
21:09
Boston Logan Intl airport
437 GBP
JetBlue
JetBlue
21 Dec
16:26
BOS
Boston Logan Intl airport
6h 57m
SFO
20:23
San Francisco airport
JetBlue
31 Dec
14:20
SFO
San Francisco airport
5h 45m
BOS
23:05
Boston Logan Intl airport
487 GBP
JetBlue
JetBlue
27 Dec
16:26
BOS
Boston Logan Intl airport
6h 57m
SFO
20:23
San Francisco airport
JetBlue
29 Dec
14:20
SFO
San Francisco airport
5h 45m
BOS
23:05
Boston Logan Intl airport
565 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?
September
The cheapest time of year to fly to San Francisco from Boston is September. 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 75% 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?
56 days before
The cheapest time to buy a flight from Boston to San Francisco is approximately 56 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 40m The fastest flight from Boston to San Francisco takes 6h 40m.
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)
*Flight prices to San Francisco are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.