Cheap flights from San Francisco to Boston

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Easily compare round trip flights from San Francisco to Boston

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 San Francisco to Boston by changing tabs
Quickest
Cheapest
Alaska Airlines
Alaska Airlines
19 Aug
SFO
2:55 pm
San Francisco airport
5h 50m
11:45 pm
BOS
Boston Logan Intl airport
Alaska Airlines
23 Aug
BOS
2:35 pm
Boston Logan Intl airport
6h 55m
6:30 pm
SFO
San Francisco airport
237 USD
Delta
Delta
20 Aug
SFO
3:15 pm
San Francisco airport
5h 56m
12:11 am
+1
BOS
Boston Logan Intl airport
Delta
21 Aug
BOS
4:45 pm
Boston Logan Intl airport
6h 25m
8:10 pm
SFO
San Francisco airport
237 USD
United Airlines
United Airlines
04 Sep
SFO
9:10 am
San Francisco airport
5h 38m
5:48 pm
BOS
Boston Logan Intl airport
United Airlines
06 Sep
BOS
2:00 am
Boston Logan Intl airport
6h 35m
5:35 am
SFO
San Francisco airport
237 USD
JetBlue
JetBlue
23 Sep
SFO
1:26 pm
San Francisco airport
5h 33m
9:59 pm
BOS
Boston Logan Intl airport
JetBlue
27 Sep
BOS
5:40 pm
Boston Logan Intl airport
6h 32m
9:12 pm
SFO
San Francisco airport
237 USD
Major Airline
Major Airline
15 Oct
SFO
1:40 pm
San Francisco airport
5h 33m
10:13 pm
BOS
Boston Logan Intl airport
Major Airline
17 Oct
BOS
5:30 am
Boston Logan Intl airport
6h 38m
9:08 am
SFO
San Francisco airport
237 USD
United Airlines
United Airlines
10 Sep
SFO
11:05 pm
San Francisco airport
5h 36m
7:41 am
+1
BOS
Boston Logan Intl airport
United Airlines
14 Sep
BOS
2:00 am
Boston Logan Intl airport
6h 35m
5:35 am
SFO
San Francisco airport
237 USD

How to get the cheapest flight ticket from San Francisco to Boston

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
CHEAPEST MONTH TO FLY
February
The cheapest time of year to fly to Boston from San Francisco is February. Most expensive is June
CHEAPEST DAY TO FLY
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
in the afternoon
San Francisco to Boston flights are approximately 135% more expensive at noon than in the afternoon
CHEAPEST AIRLINE
Frontier
Frontier, Major Airline, and Sun Country Air are the most popular carriers operating from San Francisco to Boston
CHEAPEST ROUTE
San Francisco - Boston Logan Intl
Fly from San Francisco to Boston Logan Intl for the best San Francisco - Boston flight prices
SFO
San Francisco
BOS
Boston Logan Intl
CHEAPEST TIME TO BOOK
43 days before
The cheapest time to buy a flight from San Francisco to Boston is approximately 43 days to departure
60
Days before departure
0

Flight information for San Francisco to Boston (BOS - SFO)

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Boston
Fastest flight time
5h 36m
The fastest flight from San Francisco to Boston takes 5h 36m.
Direct flights
Every day
Direct flights go from San Francisco to Boston every day.
Airports in Boston
1 airport
There is 1 airport near Boston: Boston Logan Intl (BOS)

Alternative routes for San Francisco to Boston

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
San Francisco to Providence
Fastest flight time
7h 23m
Cheapest price
234 USD

Flights from San Francisco to:

Flights to Boston from:

  • San Francisco
  • California
  • United States
  • North America