Simple google search using "free cholesterol screening"
Walgreens does offer, according to their website, a cholesterol total and HDL for $30, and a full panel for $35.
Cholesterol Testing | Health Tests | Pharmacy | Walgreens
Winn Dixie does every 3 months free screenings
https://www.winndixie.com/PH/Pages/wellness.aspx
These are just some of the hits on google.
You do know your doc may be willing to order the test without seeing you at a regular lab and depending on your insurance may be substantially lower charge than Walgreen's