$128 Cheap JetBlue Airways flights Philadelphia (PHL) to Jacksonville (JAX)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap JetBlue Airways return flights from $173 from PHL to JAX. Affordable one-way fares from $128 are available too.**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.

Browse for round-trip or one-way flights to Jacksonville in January or November. You could find lower fares with JetBlue Airways during these quieter months.

To find cheap JetBlue Airways fares from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect what you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**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.

Use our “Nonstop” filter when looking for direct JetBlue Airways flights from PHL to JAX. You can also compare other carriers offering the same direct route.

Find JetBlue Airways’s earliest flights from PHL to JAX by using the “Early Morning” and “Morning” filters. Not only will you get to where you’re going sooner, early departures are also 20% less likely to be canceled.**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.

Board a JetBlue Airways flight from Philadelphia Intl. Airport (PHL) to Jacksonville, and you’ll most likely arrive at Jacksonville Intl. Airport (JAX). This is the airline’s primary hub in this city.

Changes are generally free within 24 hours of booking, but your airline may charge a fee after that time. For further information about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to adjust your plans without additional costs, tick the “Changes included” and “No cancel fee” filters when planning your next escape.