$143 Cheap JetBlue Airways flights Buffalo (BUF) to San Juan (SJU)

Scoring cheap one-way JetBlue Airways flights from BUF to SJU from $143 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares from $261 for your next adventure.**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.

JetBlue Airways flights to San Juan tend to be more affordable in the off-peak months of October and September. Whether you’re searching for a one-way or a return ticket, you could land a better deal then.

Start your search for JetBlue Airways flights from BUF to SJU about one month before you want to go. The most affordable time to book 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. No matter your ticket type or itinerary, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save 17% on average 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.

Fill in your dates, click search and select the “Nonstop” filter on Expedia to find any direct flights from BUF to SJU with JetBlue Airways or other airlines.

Sort your results by “Early Morning” and “Morning” to browse the earliest departures from BUF to SJU. Setting off early means you’re 20% less likely to experience cancellations.**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.

Luis Munoz Marin Intl. Airport (SJU) is the primary San Juan gateway for JetBlue Airways flights from Buffalo Niagara Intl. Airport (BUF).

Depending on your fare type, a fee typically applies if you change or cancel your flight more than 24 hours after it has been confirmed. To find flexible plane tickets, select our “Changes included” and “No cancel fee” boxes while looking for flights. To learn more about canceling or modifying your reservation, visit “Trips,” select your flight and tick “Manage Booking.”