Starting at $126
Starting at $58
Starting at $69
Starting at $102
Helping travelers to find the best flight offers
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 direct 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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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 route Boston — San Juan is served by many carriers — 4 in total, including JetBlue Airways, Frontier Airlines, Spirit Airlines, and American Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $58) 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.
Starting at $126
Starting at $58
Starting at $69
Starting at $102
Boston — San Juan
12/08/2025
Departure
Direct flight
B6561
Starting at $174
Boston — San Juan
12/20/2025
Departure
Direct flight
B6161
Starting at $529
Boston — San Juan
12/31/2025
Departure
Direct flight
B6261
Starting at $395
Boston — San Juan
01/02/2026
Departure
Direct flight
B6861
Starting at $248
Boston — San Juan
01/03/2026
Departure
Direct flight
B6161
Starting at $404
Boston — San Juan
01/04/2026
Departure
Direct flight
F93001
Starting at $793
Boston — San Juan
01/11/2026
Departure
Direct flight
F93001
Starting at $137
Boston — San Juan
02/03/2026
Departure
Direct flight
B6161
Starting at $216
Boston — San Juan
02/04/2026
Departure
Direct flight
B6861
Starting at $318
Boston — San Juan
10/02/2026
Departure
Direct flight
B6261
Starting at $253
Unable to find information about the schedule of direct flights from
We couldn't find any special offers for flights from Boston to San Juan
The cheapest one-way flight from Boston to San Juan departs on 01/11/2026, is operated by Frontier Airlines and costs $58
The cheapest roundtrip flight from Boston to San Juan departs on 02/05/2026, is operated by Spirit Airlines and costs $131
Fastest flight from Boston to San Juan takes 3h 59m
There are direct flights on this route 5 days a week: Su, Mo, Th, Fr, and Sa
The distance between Boston and San Juan is 2697km (1672 miles). There are 20 direct flights from Boston to San Juan. The time difference between Boston and San Juan is 1h. Flights from Boston begin at 8:00 AM. The latest flight from Boston departs at 12:00 PM
The cheapest flight ticket from Boston to San Juan according to data for the last 48 hours costs $58
Often the best time to buy tickets from Boston to San Juan is 2 months before departure.
The fastest flights from Boston to San Juan start from 3 hours 59 minutes in the air.
The following airlines operate direct flights on the route Boston — San Juan: JetBlue Airways, Frontier Airlines, Spirit Airlines
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 Juan