Cheap flights from Boston to San Francisco

Round-trip
Economy
Boston (BOS)
San Francisco (SFO)
Mon 8/10
Mon 8/17
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 $277 The best flight deal from Boston to San Francisco found on momondo in the last 72 hours is $277
Fastest flight time 6h 19m The fastest flight from Boston to San Francisco takes 6h 19m.
Direct flights None There are no direct flights from Boston to San Francisco. Popular non-direct route for this connection is Boston Logan Intl - San Francisco.
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?
September
The cheapest time of year to fly to San Francisco from Boston is September. 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 33% more expensive in the afternoon than at noon
What is the cheapest airline that flies to San Francisco?
Spirit Airlines
Spirit Airlines, Frontier, and Major Airline 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
Cheapest
Best
Quickest
Multiple Airlines
Aug 12
BOS
Boston Logan Intl
21h 50m
2 stops
SFO
San Francisco
Aug 17
SFO
San Francisco
24h 23m
2 stops
BOS
Boston Logan Intl
Multiple Airlines
Jul 28
BOS
Boston Logan Intl
39h 10m
2 stops
SFO
San Francisco
Aug 12
SFO
San Francisco
24h 23m
2 stops
BOS
Boston Logan Intl
Multiple Airlines
Jul 29
BOS
Boston Logan Intl
39h 10m
2 stops
SFO
San Francisco
Aug 15
SFO
San Francisco
24h 23m
2 stops
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.
Cheapest
Best
Quickest
Multiple Airlines
Aug 5
BOS
Boston Logan Intl
20h 12m
2 stops
SFO
San Francisco
Multiple Airlines
Jul 29
BOS
Boston Logan Intl
20h 00m
2 stops
SFO
San Francisco
Multiple Airlines
Jul 7
BOS
Boston Logan Intl
39h 10m
2 stops
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
Boston to Los Angeles Flights
Fastest flight time
6h 04m
Cheapest price
$53
Boston to Oakland, California Flights
Fastest flight time
8h 21m
Cheapest price
$77
Boston to Burbank Flights
Fastest flight time
6h 35m
Cheapest price
$137
Boston to Fresno Flights
Fastest flight time
8h 42m
Cheapest price
$173
Boston to Long Beach Flights
Fastest flight time
6h 30m
Cheapest price
$178
Boston to Ontario Flights
Fastest flight time
7h 47m
Cheapest price
$191
Boston to Palm Springs Flights
Fastest flight time
7h 39m
Cheapest price
$231
Boston to Mammoth Lakes Flights
Fastest flight time
19h 36m
Cheapest price
$950
View more

Flights from Boston to:

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Economy
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  • First
Economy
  • Economy
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  • First
Economy
  • Economy
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  • Business
  • First