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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
Delta
Delta
15 Aug
BOS
10:45
Boston Logan Intl airport
10h 58m
1 Stop
18:43
SFO
San Francisco airport
Delta
18 Aug
SFO
11:25
San Francisco airport
13h 10m
1 Stop
03:35
+1
BOS
Boston Logan Intl airport
254 GBP
Sun Country Air
Sun Country Air
07 Jun
BOS
07:35
Boston Logan Intl airport
8h 45m
1 Stop
13:20
SFO
San Francisco airport
Sun Country Air
09 Jun
SFO
00:00
San Francisco airport
24h 35m
1 Stop
03:35
+1
BOS
Boston Logan Intl airport
258 GBP
Alaska Airlines
Alaska Airlines
21 Aug
BOS
04:00
Boston Logan Intl airport
6h 45m
07:45
SFO
San Francisco airport
Alaska Airlines
25 Aug
SFO
16:59
San Francisco airport
7h 36m
1 Stop
03:35
+1
BOS
Boston Logan Intl airport
264 GBP
United Airlines
United Airlines
01 May
BOS
16:45
Boston Logan Intl airport
6h 35m
20:20
SFO
San Francisco airport
United Airlines
06 Jun
SFO
16:59
San Francisco airport
7h 36m
1 Stop
03:35
+1
BOS
Boston Logan Intl airport
415 GBP
Alaska Airlines
Alaska Airlines
21 Aug
BOS
04:00
Boston Logan Intl airport
6h 45m
07:45
SFO
San Francisco airport
Alaska Airlines
25 Aug
SFO
16:59
San Francisco airport
7h 36m
1 Stop
03:35
+1
BOS
Boston Logan Intl airport
264 GBP
United Airlines
United Airlines
22 Jun
BOS
02:06
Boston Logan Intl airport
6h 30m
05:36
SFO
San Francisco airport
United Airlines
01 Jul
SFO
11:25
San Francisco airport
13h 10m
1 Stop
03:35
+1
BOS
Boston Logan Intl airport
410 GBP

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. The most expensive is December.
CHEAPEST DAY TO FLY
Friday
The cheapest day of the week is usually Friday. The most expensive is usually Saturday.
CHEAPEST TIME TO FLY
at midday
Boston to San Francisco flights are approximately 189% more expensive in the afternoon than at midday
CHEAPEST AIRLINE
American Airlines
American Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Boston to San Francisco
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
CHEAPEST TIME TO BOOK
37 days before
The cheapest time to buy a flight from Boston to San Francisco is approximately 37 days before 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 31m
The fastest flight from Boston to San Francisco takes 6h 31m.
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)

Cost comparison between Boston and San Francisco

Compare the costs of everyday items in Boston and San Francisco
Food
Inexpensive restaurant
12 GBP
Boston
12 GBP
San Francisco
Fast food
McDonald's meal
6 GBP
Boston
6 GBP
San Francisco
Soft drink
0.33 liter
1 GBP
Boston
1.75 GBP
San Francisco
Coffee
Cappuccino
3 GBP
Boston
3.42 GBP
San Francisco
Public transport
One-way ticket
2 GBP
Boston
2.12 GBP
San Francisco

Flights from Boston to:

  • San Francisco
  • California
  • United States
  • North America

Flights to San Francisco from:

  • Boston Logan Intl
  • Massachusetts
  • United States
  • North America
*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.