Helping travelers to find the best flight offers
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Boston to San Francisco:
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.
We couldn't find any special offers for flights from Boston to San Francisco
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 Boston to San Francisco. 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 Boston to San Francisco
Below you will find a list of airlines operating flights on the Boston — San Francisco 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 Boston to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
Boston — San Francisco
08/04/2025
Departure date
Direct flight
AS7459
Starting at $266
Boston — San Francisco
08/14/2025
Departure date
Direct flight
B6233
Starting at $234
Boston — San Francisco
08/17/2025
Departure date
Direct flight
UA2441
Starting at $271
Boston — San Francisco
08/24/2025
Departure date
Direct flight
HA4827
Starting at $121
Boston — San Francisco
09/15/2025
Departure date
Direct flight
B6733
Starting at $158
Boston — San Francisco
10/26/2025
Departure date
Direct flight
AS9324
Starting at $241
Boston — San Francisco
10/29/2025
Departure date
Direct flight
B6133
Starting at $126
Boston — San Francisco
07/25/2025
Departure date
Direct flight
AS357
Starting at $261
Boston — San Francisco
07/26/2025
Departure date
Direct flight
AS357
Starting at $390
Boston — San Francisco
08/25/2025
Departure date
Direct flight
AS356
Starting at $137
Starting at $119
Starting at $126
Starting at $271
Starting at $121
Starting at $116
Starting at $141
Starting at $174
Starting at $263
Starting at $820
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from Boston to San Francisco departs on 08/24/2025, is operated by Spirit Airlines and costs $116
The cheapest roundtrip flight from Boston to San Francisco departs on 08/02/2025, is operated by American Airlines and costs $197
Fastest flight from Boston to San Francisco takes 6h 29m
There are direct flights on this route 5 days a week: Su, Mo, Tu, We, and Fr
The distance between Boston and San Francisco is 4333km (2686 miles). The average flight duration is 6h 46m. There are 129 direct flights from Boston to San Francisco. The time difference between Boston and San Francisco is 3h . Flights from Boston begin at 6:00 AM. The latest flight from Boston departs at 9:19 PM.
The cheapest flight ticket from Boston to San Francisco according to data for the last 48 hours costs $116
Often the best time to buy tickets from Boston to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Boston to San Francisco can be found flying in these months: August, September, July.
The fastest flights from Boston to San Francisco start from 6 hours 29 minutes in the air.
The following airlines operate direct flights on the route Boston — San Francisco: Alaska Airlines, JetBlue Airways, United Airlines