$123 Cheap JetBlue Airways flights San Juan (SJU) to Boston (BOS)

You'll discover affordable round-trip JetBlue Airways flights from $219 from SJU to BOS by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from $123 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Start your search for JetBlue Airways flights from SJU to BOS about one month before you want to go. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of ticket type or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The first JetBlue Airways flight from SJU to BOS takes off at 5:00AM UTC-4, landing at 8:17AM UTC-5. If you prefer to jet off later in the day, the last JetBlue Airways flight leaves SJU at 7:59PM UTC-4 and touches down at BOS at 11:15PM UTC-5. Flying early is generally a good idea as morning flights are less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.