$137 Cheap JetBlue Airways flights Raleigh (RDU) to San Juan (SJU)

Scoring cheap one-way JetBlue Airways flights from RDU to SJU from $137 on Expedia is easy --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $275 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.

To grab cheap flights from RDU to SJU with JetBlue Airways, begin your search about one month before your intended 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 useful 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.

The first JetBlue Airways flight from RDU to SJU takes off at 11:38AM UTC-5, arriving at 4:05PM UTC-4. If you want to set off later, the last JetBlue Airways flight leaves RDU at 11:55AM UTC-5 and touches down at SJU at 4:22PM UTC-4. Flying earlier is often a smart option as morning and mid-morning flights are least likely to face 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.