$84 Cheap Spirit Airlines flights Philadelphia (PHL) to San Juan (SJU)

Scoring cheap one-way Spirit Airlines flights from PHL to SJU from $84 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $162 for your next exciting vacation.**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.

October is one of the least expensive months to travel to San Juan with Spirit Airlines. You could also find fantastic deals on one-way and round-trip tickets in September.

Scoring the best Spirit Airlines deals from PHL to SJU is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your tickets on a Sunday rather than 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 you plan to travel.*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.

Depart on one of Spirit Airlines’s 5 weekly direct flights from Philadelphia Intl. Airport (PHL) to Luis Munoz Marin Intl. Airport (SJU). To see what’s available, enter your destination, origin and dates and hit search. Then apply the “Nonstop” and “Airline” filters.

Leave Philadelphia Intl. Airport (PHL) for Luis Munoz Marin Intl. Airport (SJU) on a nonstop Spirit Airlines flight, and you’ll be airborne for approximately 3h 52m.

The earliest flight from PHL to SJU with Spirit Airlines departs at 4:22PM UTC-5. You’ll touch down at 9:14PM UTC-4. The last Spirit Airlines flight of the day takes off at 4:22PM UTC-5 and arrives at 9:14PM UTC-4. With around 20% fewer cancellations for morning departures, jetting out early is often the best choice.**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.

Spirit Airlines flights from Philadelphia Intl. Airport (PHL) to San Juan come in to land at Luis Munoz Marin Intl. Airport (SJU). This is the main gateway to this destination.

A rewarding loyalty program and the ability to collect points through Free Spirit are the start of the reasons to depart from PHL to SJU with Spirit Airlines. Plus, when you join Expedia’s free One Key™ program, you can earn OneKeyCash™* alongside Spirit Airlines’s loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Spirit Airlines generally operates Airbus A320 planes for flights from Philadelphia Intl. Airport (PHL) to Luis Munoz Marin Intl. Airport (SJU). Bear in mind that aircraft type can vary depending on operational demands, so the plane you’ll be on might be different on your travel date.

Changes are often free within 24 hours of making a booking, but your airline may charge you after that. For more information about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to update your itinerary without being charged, check the “Changes included” or “No cancel fee” filter when organizing your trip.