$87 Cheap Spirit Airlines flights Newark Liberty Intl. Airport (EWR) to San Juan (SJU)

Finding cheap one-way Spirit Airlines flights from EWR to SJU from $87 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $168 for your next exciting getaway.**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 are usually more affordable in the quieter months of October and September. Whether you’re in search of a one-way or a return ticket, you could find a better deal then.

To get cheap flights from EWR to SJU with Spirit Airlines, begin your search about one month before your planned departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another helpful tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**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 browse any direct flights from EWR to SJU with Spirit Airlines or another airline.

Search Spirit Airlines’s earliest flights from EWR to SJU by checking our “Morning” and “Early Morning” filters. Not only will you get to where you’re going sooner, early departures also experience 20% 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.

Take a Spirit Airlines flight from Liberty Intl. Airport (EWR) to San Juan, and you’ll likely arrive at Luis Munoz Marin Intl. Airport (SJU). This is the airline’s main hub in this city.

Journey from EWR to SJU with Spirit Airlines and you’ll enjoy a range of benefits starting with a rewarding loyalty program. When you book through Expedia as a Free Spirit and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Typically, you can change or cancel your flight, although additional charges may apply if you made your booking over 24 hours ago. Need to keep your options open? Use our “No cancel fee” or “Changes included” filter to find flights that won’t charge you extra if you have to revise your plans. To update your booking, go to “Trips,” select your flight and click on “Manage Booking” for more details.