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 Juan. 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 Juan, 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 Juan:
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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.
The Boston — San Juan route is served by multiple airlines, including Spirit Airlines, American Airlines, and JetBlue Airways. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $43, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
Boston — San Juan
02/18/2026
Departure
Direct flight
NK3013
starting at $216
Boston — San Juan
02/02/2026
Departure
Direct flight
NK3013
starting at $50
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from Boston to San Juan departs on 02/02/2026, is operated by American Airlines and costs $43
The cheapest roundtrip flight from Boston to San Juan departs on 02/03/2026, is operated by Spirit Airlines and costs $106
Fastest flight from Boston to San Juan takes 4 hours
There are direct flights on this route 2 days a week: Mo and We
The distance between Boston and San Juan is 2697km (1672 miles). There are 16 direct flights from Boston to San Juan. The time difference between Boston and San Juan is 1h. Flights from Boston begin at 5:01 AM. The latest flight from Boston departs at 8:50 PM
The cheapest flight ticket from Boston to San Juan according to data for the last 48 hours costs $43
Often the best time to buy tickets from Boston to San Juan is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Boston to San Juan can be found flying in these months: February, March.
The fastest flights from Boston to San Juan start from 4 hours in the air.
The following airlines operate direct flights on the route Boston — San Juan: Spirit Airlines
In different months, ticket prices from Boston to San Juan vary: minimum — $105 (February 2026), maximum — $177 (March 2026). Typically, the flight costs $141–$177.
