$64 Cheap Flights from Philadelphia (PHL) to Jacksonville (JAX)

Popular airlines from Philadelphia Intl. Airport (PHL) to Jacksonville International Airport (JAX)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Philadelphia to Jacksonville (PHL-JAX)

Prices were available within the past 7 days and start at $64 for one-way flights and $109 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Southwest Airlines
American Airlines
Delta
JetBlue Airways

Find the cheapest month to fly from Philadelphia (PHL) to Jacksonville (JAX)

September is typically the cheapest month to fly

From $48 - $178 per traveler.

Graph displaying average flight prices per month

Flights from Philadelphia (PHL) to Jacksonville (JAX)
Origin airport
Philadelphia Intl.
Destination airport
Jacksonville Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$109
Distance
743 mi
Average flight time
2 hours 21 mins

Philadelphia to Jacksonville Flights

The cheapest times to fly from Philadelphia to Jacksonville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Philadelphia to Jacksonville are during the month of August. You can find some of the cheapest flights from Philadelphia to Jacksonville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Philadelphia to Jacksonville

Sunday is one of the best days to book for cheap flights from Philadelphia to Jacksonville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Philadelphia to Jacksonville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Philadelphia to Jacksonville in 2025. You can also book with separate airlines for your outbound and return journeys, from $64 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Philadelphia to Jacksonville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Philadelphia to Jacksonville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX) cost?
Cheap round-trip flights from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX) start at $109. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving PHL on July 26 2025 and touching down at JAX. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from PHL to JAX?
The cheapest flights from PHL to JAX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX)?
You can fly straight from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX) on an American Airlines flight.
What is the cheapest airline that flies from PHL to JAX?
Journey from PHL to JAX with Frontier Airlines. This carrier currently offers the cheapest one-way ticket for this route, starting from $64. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHL on August 30 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX)?
Each day on average, 3 direct flights operate from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX). Select the departure time that best fits your itinerary.
What are the most popular departure times for flights from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX)?
The 8 AM departures from PHL to JAX are the top choice for many travelers. They can also be more expensive. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from PHL to JAX?
Friday has the most flights from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX). Consider leaving on this day and you'll have the best chance of finding a schedule that works for you.
What is the earliest flight from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX)?
The earliest flight jetting off from Philadelphia Intl. Airport (PHL) is at around 5:01AM UTC-5. Hop on this flight and you'll touch down at Jacksonville Intl. Airport (JAX) at approximately 7:24AM UTC-5. The total flight duration is 2h 23m.
How long does it take to fly from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX)?
Typically, it takes 2 hours and 28 minutes to fly the 740 mi from PHL to JAX.
What airline has the least delays from PHL to JAX?
American Airlines has the best track record for on-time direct flights from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX), with an on-time score of 85%. Use the Expedia App to see your flight status before you go and get real-time alerts about any changes.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX)?
Opt for a flight from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Jacksonville from Philadelphia Intl. Airport (PHL)?
Explore your flight options from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX). This is the only Jacksonville airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX) last-minute?
Holding off until right before your break to book a ticket from PHL to JAX generally means paying more. While you may find some last-minute offers, there's no guarantee. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a PHL to JAX flight and hotel package?
Opting for a PHL to JAX flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Jacksonville Intl. Airport (JAX)?
It's generally possible to reschedule or cancel your PHL to JAX flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.