Schedule of direct flights from San Francisco to Boston
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from San Francisco to Boston:
San Francisco airports overview
Boston airports overview
Frequently asked questions (FAQ)
Answers to questions about the route that travelers are most interested in.
Special offers and sales on air tickets from San Francisco to Boston
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Alternative routes
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Cheapest one way flight
$90
Frontier Airlines
1 transfer
23h 37m
04/30/2025
The cheapest one-way flight from San Francisco to Boston departs on 04/30/2025, is operated by Frontier Airlines and costs $90
Cheapest round trip flight
$257
Frontier Airlines
1 transfer
22h 45m
06/20/2025
The cheapest roundtrip flight from San Francisco to Boston departs on 06/20/2025, is operated by Frontier Airlines and costs $257
The fastest flight
5h 40m
Fastest flight from San Francisco to Boston takes 5h 40m
Direct flights
Several times a week
There are direct flights on this route 3 days a week: Mo, Th, and Sa
Earliest flight
7:30 AM
Latest flight
11:10 PM
Direct flights count
66
Distance
4333km
Timezone difference
3h
The distance between San Francisco and Boston is 4333km (2686 miles).There are 66 direct flights from San Francisco to Boston.The time difference between San Francisco and Boston is 3h .Flights from San Francisco begin at 7:30 AM.The latest flight from San Francisco departs at 11:10 PM.
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Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Francisco to Boston. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from San Francisco to Boston
Below you will find a list of airlines operating flights on the San Francisco — Boston route and the starting prices for flights of each specific airline on it.
A direct flight is the most convenient and comfortable way to fly from San Francisco to Boston, despite the fact that sometimes flights with transfers can cost significantly less.
San Francisco — Boston
SFO — BOS
04/30/2025
Departure date
Direct flight
B6734
Starting at $141
San Francisco — Boston
SFO — BOS
05/02/2025
Departure date
Direct flight
B6434
Starting at $230
San Francisco — Boston
SFO — BOS
05/03/2025
Departure date
Direct flight
B6434
Starting at $198
San Francisco — Boston
SFO — BOS
05/29/2025
Departure date
Direct flight
AS547
Starting at $171
San Francisco — Boston
SFO — BOS
06/01/2025
Departure date
Direct flight
UA1372
Starting at $428
March 2025
Lowest price
on average:
$128
How much is the cheapest flight ticket from San Francisco to Boston?
The cheapest flight ticket from San Francisco to Boston according to data for the last 48 hours costs $90
When is the best time to buy air tickets on the route San Francisco — Boston?
Often the best time to buy tickets from San Francisco to Boston is 2 months before departure.
When is the cheapest time of year to fly from San Francisco to Boston?
Based on statistics over the past years, the lowest prices for flights from San Francisco to Boston can be found flying in these months: March.
How long does it take to fly from San Francisco to Boston?
The fastest flights from San Francisco to Boston start from 5 hours 40 minutes in the air.
Which airline can fly direct from San Francisco to Boston?
The following airlines operate direct flights on the route San Francisco — Boston: JetBlue Airways, Alaska Airlines, United Airlines
