Cheap flights from Boston to San Francisco

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Flight information for Boston to San Francisco

Find info about flight duration, direct flights, and airports for your flight from Boston to San Francisco
Best price found £122 The best flight deal from Boston to San Francisco found on momondo in the last 72 hours is £122
Fastest flight time 6h 50m The fastest flight from Boston to San Francisco takes 6h 50m.
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)

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?
January
The cheapest time of year to fly to San Francisco from Boston is January. The most expensive is December.
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 Sunday.
When is the cheapest time to fly to San Francisco?
at midday
Boston to San Francisco flights are approximately 78% more expensive in the afternoon than at midday
What is the cheapest airline that flies to San Francisco?
Frontier
Frontier, American Airlines, 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?
54 days before
The cheapest time to buy a flight from Boston to San Francisco is approximately 54 days before departure
60
Days before departure
0

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
05 Apr
03:20
BOS
Boston Logan Intl airport
7h 10m
SFO
07:30
San Francisco airport
Delta
11 Apr
23:00
SFO
San Francisco airport
9h 00m
1 Stop
BOS
11:00
+1
Boston Logan Intl airport
£158
Alaska Airlines
Alaska Airlines
20 Mar
15:35
BOS
Boston Logan Intl airport
6h 48m
SFO
19:23
San Francisco airport
Alaska Airlines
23 Mar
13:10
SFO
San Francisco airport
5h 46m
BOS
21:56
Boston Logan Intl airport
£174
Alaska Airlines
Alaska Airlines
06 Mar
12:10
BOS
Boston Logan Intl airport
7h 08m
SFO
16:18
San Francisco airport
Alaska Airlines
11 Mar
05:50
SFO
San Francisco airport
5h 34m
BOS
14:24
Boston Logan Intl airport
£184
Major Airline
Major Airline
22 May
02:00
BOS
Boston Logan Intl airport
6h 40m
SFO
05:40
San Francisco airport
Major Airline
30 May
23:00
SFO
San Francisco airport
5h 48m
BOS
07:48
+1
Boston Logan Intl airport
£289
Major Airline
Major Airline
27 Feb
10:20
BOS
Boston Logan Intl airport
6h 55m
SFO
14:15
San Francisco airport
Major Airline
01 Mar
15:50
SFO
San Francisco airport
5h 33m
BOS
00:23
+1
Boston Logan Intl airport
£335
Alaska Airlines
Alaska Airlines
08 Apr
15:35
BOS
Boston Logan Intl airport
6h 48m
SFO
19:23
San Francisco airport
Alaska Airlines
16 Apr
14:40
SFO
San Francisco airport
5h 40m
BOS
23:20
Boston Logan Intl airport
£400

Alternative routes for Boston to San Francisco

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Boston to San Francisco Flights
Fastest flight time
6h 40m
Cheapest price
£184
*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.