Cheap flights from Boston to San Francisco

Depart
Return
Any month
Compare vs. momondo |

Flight information for Boston to San Francisco
(BOS to SFO)

Find info about flight duration, direct flights, and airports for your flight from Boston to San Francisco
Best Price Found $125 The best flight deal from Boston to San Francisco found on momondo in the last 72 hours is $125
Fastest flight time 6h 36m The fastest flight from Boston to San Francisco takes 6h 36m.
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 ticket 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 ticket 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. Most expensive is December
What is the cheapest day to fly to San Francisco?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly to San Francisco?
at noon
Boston to San Francisco flights are approximately 34% more expensive in the afternoon than at noon
What is the cheapest airline that flies to San Francisco?
Spirit Airlines
Spirit Airlines, Sun Country Air, and Frontier 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?
53 days before
The cheapest time to buy a flight from Boston to San Francisco is approximately 53 days to departure
60
Days before departure
0

Easily compare round-trip flights from Boston to San Francisco

Below you can see the best fares for your round-trip flight 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
Multiple Airlines
Apr 24
BOS
Boston Logan Intl
31h 41m
1 stop
SFO
San Francisco
May 1
SFO
San Francisco
18h 06m
1 stop
BOS
Boston Logan Intl
Multiple Airlines
Apr 2
BOS
Boston Logan Intl
24h 38m
1 stop
SFO
San Francisco
Apr 10
SFO
San Francisco
15h 22m
1 stop
BOS
Boston Logan Intl
Multiple Airlines
Apr 12
BOS
Boston Logan Intl
29h 22m
1 stop
SFO
San Francisco
Apr 17
SFO
San Francisco
15h 22m
1 stop
BOS
Boston Logan Intl

Find the cheapest one-way flights from Boston to San Francisco

If you're looking for one-way flights from Boston to San Francisco, view some of our deals below.
Quickest
Cheapest
Multiple Airlines
Apr 23
BOS
Boston Logan Intl
31h 41m
1 stop
SFO
San Francisco
Multiple Airlines
Apr 2
BOS
Boston Logan Intl
24h 38m
1 stop
SFO
San Francisco
Multiple Airlines
Apr 9
BOS
Boston Logan Intl
29h 22m
1 stop
SFO
San Francisco

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
Providence to San Francisco Flights
Fastest flight time
8h 16m
Cheapest price
$180

Flights from Boston to: