Cheap flights from Boston to San Francisco

Return
Economy
Boston (BOS)
San Francisco (SFO)
Fri 19/6
Fri 26/6
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 £204 The best flight deal from Boston to San Francisco found on momondo in the last 72 hours is £204
Fastest flight time 6h 46m The fastest flight from Boston to San Francisco takes 6h 46m.
Direct flights Th, Fr and Sa Direct flights go from Boston to San Francisco on Thursday, Friday and Saturday. Airlines offering direct flights are: Fiji Airways and Alaska Airlines..
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?
September
The cheapest time of year to fly to San Francisco from Boston is September. 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 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?
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?
53 days before
The cheapest time to buy a flight from Boston to San Francisco is approximately 53 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
Cheapest
Best
Quickest
Multiple Airlines
8 Jul
BOS
Boston Logan Intl
21h 40m
2 stops
SFO
San Francisco
13 Jul
SFO
San Francisco
24h 35m
2 stops
BOS
Boston Logan Intl
Multiple Airlines
19 Jun
BOS
Boston Logan Intl
36h 47m
2 stops
SFO
San Francisco
23 Jun
SFO
San Francisco
20h 50m
2 stops
BOS
Boston Logan Intl
Multiple Airlines
8 Jul
BOS
Boston Logan Intl
21h 40m
2 stops
SFO
San Francisco
10 Jul
SFO
San Francisco
24h 35m
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
5 Aug
BOS
Boston Logan Intl
21h 40m
2 stops
SFO
San Francisco
JetBlue
9 Jun
BOS
Boston Logan Intl
6h 34m
SFO
San Francisco
Multiple Airlines
15 Jul
BOS
Boston Logan Intl
21h 40m
2 stops
SFO
San Francisco
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First