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.
In different months, ticket prices from Boston to San Juan vary: minimum — $150 (November 2026), maximum — $331 (August 2027). Typically, the flight costs $220–$223.
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.
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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 shows a classic seasonal pattern: prices rise, peak, then fall again. Knowing this, you can pick a more affordable time to fly.
Prices rise from November 2026 to August 2027 (+120%), then decline from October 2026 to November 2026 (14%). The cheapest tickets are in October 2026–November 2026 (averaging $163), while the priciest are in May 2027–August 2027 ($277).
For savings, plan your flight for October 2026–November 2026 — you could save up to 41%. Try to avoid May 2027–August 2027 when possible: prices are at their highest then.
Price spread on this route is 31.5%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
The Boston — San Juan route is served by multiple airlines, including JetBlue Airways, Frontier Airlines, and Southwest Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $154, 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
01/13/2027
Departure
Direct flight
B6261
starting at $273
Boston — San Juan
11/24/2026
Departure
Direct flight
B6561
starting at $154
Boston — San Juan
11/23/2026
Departure
Direct flight
B6561
starting at $204
Boston — San Juan
11/28/2026
Departure
Direct flight
B6561
starting at $204
Boston — San Juan
11/29/2026
Departure
Direct flight
B6861
starting at $204
Boston — San Juan
11/24/2026
Departure
Direct flight
B6261
starting at $224
Boston — San Juan
11/29/2026
Departure
Direct flight
B6561
starting at $226
Boston — San Juan
11/26/2026
Departure
Direct flight
B6161
starting at $267
Boston — San Juan
11/25/2026
Departure
Direct flight
B6161
starting at $314
There are most likely no direct flights on the Boston — San Juan route
The cheapest flight ticket from Boston to San Juan according to data for the last 48 hours costs $154
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: November, October, May.
The fastest flights from Boston to San Juan start from 4 hours 1 minute in the air.
The following airlines operate direct flights on the route Boston — San Juan: JetBlue Airways
The cheapest one-way flight from Boston to San Juan departs on 11/23/2026, is operated by JetBlue Airways and costs $154
The cheapest roundtrip flight from Boston to San Juan departs on 01/10/2027, is operated by Frontier Airlines and costs $285
Fastest flight from Boston to San Juan takes
All airports
There are direct flights on this route 6 days a week: Su, Mo, Tu, We, Th, and Sa
The distance between Boston and San Juan is 2697km (1672 miles). There are 30 direct flights from Boston to San Juan. The time difference between Boston and San Juan is 1h. Flights from Boston begin at 6:00 AM. The latest flight from Boston departs at 7:50 PM
We couldn't find any special offers for flights from Boston to San Juan
