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
JetBlue
JetBlue
05 Sep
BOS
17:40
Boston Logan Intl airport
6h 32m
21:12
SFO
San Francisco airport
JetBlue
08 Sep
SFO
13:26
San Francisco airport
5h 33m
21:59
BOS
Boston Logan Intl airport
243 GBP
Alaska Airlines
Alaska Airlines
21 Aug
BOS
14:35
Boston Logan Intl airport
6h 55m
18:30
SFO
San Francisco airport
Alaska Airlines
25 Aug
SFO
11:20
San Francisco airport
13h 15m
1 Stop
03:35
+1
BOS
Boston Logan Intl airport
255 GBP
Delta
Delta
16 Aug
BOS
10:42
Boston Logan Intl airport
11h 11m
1 Stop
18:53
SFO
San Francisco airport
Delta
18 Aug
SFO
15:15
San Francisco airport
5h 56m
00:11
+1
BOS
Boston Logan Intl airport
268 GBP
JetBlue
JetBlue
05 Sep
BOS
17:40
Boston Logan Intl airport
6h 32m
21:12
SFO
San Francisco airport
JetBlue
08 Sep
SFO
13:26
San Francisco airport
5h 33m
21:59
BOS
Boston Logan Intl airport
243 GBP
JetBlue
JetBlue
17 Jul
BOS
17:38
Boston Logan Intl airport
6h 32m
21:10
SFO
San Francisco airport
JetBlue
21 Jul
SFO
15:29
San Francisco airport
5h 48m
00:17
+1
BOS
Boston Logan Intl airport
363 GBP
United Airlines
United Airlines
22 Jun
BOS
04:05
Boston Logan Intl airport
6h 33m
07:38
SFO
San Francisco airport
United Airlines
01 Jul
SFO
14:55
San Francisco airport
5h 50m
23:45
BOS
Boston Logan Intl airport
557 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 June.
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 noon
Boston to San Francisco flights are approximately 405% more expensive in the afternoon than at noon
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
57 days before
The cheapest time to buy a flight from Boston to San Francisco is approximately 57 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 24m
The fastest flight from Boston to San Francisco takes 6h 24m.
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)

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.