$84 Cheap Spirit Airlines flights New York (LGA) to San Juan (SJU)

Finding cheap one-way Spirit Airlines flights from LGA to SJU from $84 on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $209 for your next exciting 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.

Spirit Airlines flights to San Juan tend to be cheaper in the off-peak months of October and September. Whether you’re after a round-trip or one-way ticket, you could land a better deal then.

Landing the best Spirit Airlines deals from LGA to SJU often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better yet, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is often the most expensive day to book.* It’s a good idea to start searching for flights about one month before your departure date.*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, hit search and check the “Nonstop” filter on Expedia to find any direct flights from LGA to SJU with Spirit Airlines or another carrier.

To find the earliest departures from LGA to SJU with Spirit Airlines, sort your results by “Morning” and “Early Morning.” Booking an early flight usually means you’ll experience fewer 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 hub for Spirit Airlines flights from LaGuardia Airport (LGA).

Fly from LGA to SJU with Spirit Airlines and you can look forward to a range of perks including a rewarding loyalty program. When you book through Expedia as a Free Spirit and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of ticket you purchased, a fee is typically charged if you change or cancel your booking more than 24 hours after it has been confirmed. To secure plane tickets with more flexibility, select our “Changes included” or “No cancel fee” filter when you search for flights. For more details on canceling or modifying your reservation, go to “Trips,” select your flight and click on “Manage Booking.”