$88 Cheap Flights from San Juan (SJU) to Jacksonville (JAX)

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Find available prices by choosing your travel dates.

Cheap Flights from San Juan to Jacksonville (SJU-JAX)

Prices were available within the past 7 days and start at $88 for one-way flights and $175 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Southwest Airlines
American Airlines
American Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
American Airlines
Delta
United
Flights from San Juan (SJU) to Jacksonville (JAX)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Jacksonville Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$175
Distance
1287 mi

San Juan to Jacksonville Flights

The cheapest times to fly from San Juan 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 San Juan to Jacksonville are during the month of May. You can find some of the cheapest flights from San Juan to Jacksonville with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Juan to Jacksonville

Sunday is one of the best days to book for cheap flights from San Juan 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 San Juan 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 San Juan to Jacksonville in 2025. You can also book with separate airlines for your outbound and return journeys, from $88 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 San Juan 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 San Juan 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 Luis Munoz Marin Intl. Airport (SJU) to Jacksonville Intl. Airport (JAX) cost?
You can land affordable return tickets from Luis Munoz Marin Intl. Airport (SJU) to Jacksonville Intl. Airport (JAX) starting from $208. Snag a seat and be on your way. 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 SJU on May 15 2025 and touching down at JAX. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from SJU to JAX?
The cheapest flights from SJU 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.
What is the cheapest airline that flies from SJU to JAX?
With fares starting at $104 for a one-way journey from SJU to JAX, Frontier Airlines is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SJU on July 17 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Jacksonville Intl. Airport (JAX)?
You’ll need to hop on a flight with a layover when traveling from Luis Munoz Marin Intl. Airport (SJU) to Jacksonville Intl. Airport (JAX). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SJU to JAX?
You’ll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SJU to JAX?
With 80% of journeys generally landing on time, Frontier Airlines has the best on-time performance for nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to Jacksonville Intl. Airport (JAX). To monitor your flight status and get notifications about any changes, head to the Expedia App.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Jacksonville Intl. Airport (JAX)?
Book a flight from Luis Munoz Marin Intl. Airport (SJU) to Jacksonville Intl. Airport (JAX) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this 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.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Jacksonville Intl. Airport (JAX) last-minute?
Last-minute fares from SJU to JAX are typically more expensive. To secure the lowest prices, start looking for flights well in advance. That being said, if your travel plans are flexible, you may score a cheap fare right before your trip.
Is it cheaper to book a SJU to JAX flight and hotel package?
You’ll typically save money by securing a SJU to JAX flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one place. After selecting your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Jacksonville Intl. Airport (JAX)?
Generally, it’s possible to reschedule or cancel your SJU 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 allowed and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.