$76 Cheap JetBlue Airways flights Newark Liberty Intl. Airport (EWR) to San Juan (SJU)

Scoring cheap one-way JetBlue Airways flights from EWR to SJU from $76 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $140 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.

Getting the best JetBlue Airways deals from EWR 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. What's more, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's smart to kick off your flight search 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.

The first JetBlue Airways flight from EWR to SJU departs at 7:00AM UTC-5, arriving at 11:53AM UTC-4. If you'd like to jet off later in the day, the last JetBlue Airways flight leaves EWR at 6:45PM UTC-5 and touches down at SJU at 11:44PM UTC-4. Flying before noon is often a good idea as morning flights tend to 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.