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
BOS
12:00 pm
Boston Logan International airport
7h 05m
4:05 pm
SFO
San Francisco airport
Alaska Airlines
SFO
7:23 am
San Francisco airport
5h 40m
4:03 pm
BOS
Boston Logan International airport
217 USD
JetBlue
JetBlue
BOS
4:50 pm
Boston Logan International airport
6h 49m
8:39 pm
SFO
San Francisco airport
JetBlue
SFO
12:35 am
San Francisco airport
5h 43m
9:18 am
BOS
Boston Logan International airport
217 USD
United Airlines
United Airlines
BOS
2:24 pm
Boston Logan International airport
6h 36m
6:00 pm
SFO
San Francisco airport
United Airlines
SFO
6:55 am
San Francisco airport
5h 45m
3:40 pm
BOS
Boston Logan International airport
217 USD
United Airlines
United Airlines
BOS
2:24 pm
Boston Logan International airport
6h 36m
6:00 pm
SFO
San Francisco airport
United Airlines
SFO
6:55 am
San Francisco airport
5h 45m
3:40 pm
BOS
Boston Logan International airport
217 USD
JetBlue
JetBlue
BOS
5:50 pm
Boston Logan International airport
6h 49m
9:39 pm
SFO
San Francisco airport
JetBlue
SFO
1:32 pm
San Francisco airport
5h 35m
10:07 pm
BOS
Boston Logan International airport
217 USD
JetBlue
JetBlue
BOS
5:50 pm
Boston Logan International airport
6h 49m
9:39 pm
SFO
San Francisco airport
JetBlue
SFO
1:32 pm
San Francisco airport
5h 35m
10:07 pm
BOS
Boston Logan International airport
217 USD

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
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to San Francisco from Boston is February. Most expensive is December
CHEAPEST DAY TO FLY
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
at Noon
Boston to San Francisco flights are approximately 82% more expensive in the Afternoon than at Noon
CHEAPEST AIRLINE
Sun Country Air
Sun Country Air, Frontier, and American Airlines are the most popular carriers operating from Boston to San Francisco
CHEAPEST ROUTE
Boston Logan International - San Francisco
Fly from Boston Logan International to San Francisco for the best Boston - San Francisco flight prices
BOS
Boston Logan International
SFO
San Francisco
CHEAPEST TIME TO BOOK
42 days before
The cheapest time to buy a flight from Boston to San Francisco is approximately 42 days to 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 48m
The fastest flight from Boston to San Francisco takes 6h 48m.
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)

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


Cost comparison between Boston and San Francisco

Compare the costs of everyday items in Boston and San Francisco
Food
Inexpensive restaurant
15 USD
Boston
16 USD
San Francisco
Fast food
McDonald's meal
8 USD
Boston
8 USD
San Francisco
Soft drink
0.33 liter
2 USD
Boston
2 USD
San Francisco
Coffee
Cappuccino
4 USD
Boston
4 USD
San Francisco
Public transport
One-way ticket
2 USD
Boston
3 USD
San Francisco

Flights from Boston to:

Flights to San Francisco from:

  • Boston Logan International
  • Massachusetts
  • United States
  • North America