Compare airlines, prices, and flight durations for your trip
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 Diego. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Boston to San Diego, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Boston to San Diego:
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Answers to questions about the route that travelers are most interested in.
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.
Unable to find information about the schedule of direct flights from
Boston — San Diego
02/08/2026
Departure
Direct flight
AS389
starting at $162
Boston — San Diego
02/13/2026
Departure
Direct flight
AS389
starting at $847
Boston — San Diego
02/14/2026
Departure
Direct flight
B619
starting at $791
Boston — San Diego
02/15/2026
Departure
Direct flight
B6619
starting at $758
Boston — San Diego
02/20/2026
Departure
Direct flight
B6619
starting at $127
starting at $102
starting at $127
starting at $257
starting at $282
The route Boston — San Diego is served by many carriers — 4 in total, including Alaska Airlines, JetBlue Airways, Southwest Airlines, and Spirit Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $102) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
The cheapest one-way flight from Boston to San Diego departs on 02/08/2026, is operated by Alaska Airlines and costs $102
The cheapest roundtrip flight from Boston to San Diego departs on 02/11/2026, is operated by American Airlines and costs $132
Fastest flight from Boston to San Diego takes 6h 40m
There are direct flights on this route 3 days a week: Su, Fr, and Sa
The distance between Boston and San Diego is 4149km (2572 miles). There are 2 direct flights from Boston to San Diego. The time difference between Boston and San Diego is 3h. Flights from Boston begin at 4:20 PM. The latest flight from Boston departs at 4:54 PM
The cheapest flight ticket from Boston to San Diego according to data for the last 48 hours costs $102
Often the best time to buy tickets from Boston to San Diego is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Boston to San Diego can be found flying in these months: February.
The fastest flights from Boston to San Diego start from 6 hours 40 minutes in the air.
The following airlines operate direct flights on the route Boston — San Diego: Alaska Airlines, JetBlue Airways
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 Diego
We couldn't find any special offers for flights from Boston to San Diego