$62 Cheap Flights from Boston (BOS) to San Juan (SJU)

You can find cheap one-way flights from $62 and cheap return flights from $151 Boston, MA (BOS-Logan Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) with Expedia. One-way flights usually range from $144 to $1020, and return flights typically cost between $330 and $4082. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

January is the cheapest month to fly from Boston to San Juan, with average return fares around $334. This is about 15% lower than the average price throughout the year, as demand decreases after the holiday season. Other budget-friendly months include February and October.*Averages based on flights available on Expedia in the last year.

4 airlines operate nonstop service from BOS to SJU:

• JetBlue Airways operates around 31 direct flights from BOS to SJU every week
• Delta operates around 8 direct flights from BOS to SJU every week
• Spirit Airlines operates around 10 direct flights from BOS to SJU every week
• Frontier Airlines operates around 7 direct flights from BOS to SJU every week

JetBlue Airways is one of the cheapest airlines offering nonstop flights from Logan Intl. (BOS) to Luis Munoz Marin Intl. (SJU), with round-trip tickets starting from around $264. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.

The best time to fly from Boston (BOS) to San Juan (SJU) is typically in January or October. During these months, you can find return flights at around $334, making them the cheapest options. January is particularly appealing as it follows the holiday rush, while October offers pleasant weather and fewer crowds, allowing for a more enjoyable travel experience.*Prices based on flights available on Expedia in the last year.

You can fly first class between BOS and SJU. First class cabins are available on:

• United Airlines
• Delta Air Lines
• Spirit Airlines

A direct, return business class ticket from Boston (BOS) to San Juan (SJU) typically costs between $1,280 - $2,048. A non-stop, one-way business class flight is usually around $481 - $603. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Boston, MA (BOS-Logan Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.

It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.