Depends on what lot and length of stay.
Depends on how far you want to walk and for how long you need to park. Check the website.
It's cheaper off site just before JAX and most have shuttles to the terminal. Look on airport road.
To expensive for what its worth
From 7 to 25 a day. Depends on how far you want to walk
I have no idea I took a Uber.
https://www.google.com/search?q=jax+airport+car+parking&oq=jax+car+parking&aqs=chrome.1.69i57j0.4280j0j7&client=ms-android-samsung&sourceid=chrome-mobile&ie=UTF-8
Thanks! Your answer is awaiting moderation.