If you buy the ticket at advance you can get a very good deal, a Business seat just for $25
It's depends on how do you reserve it, the maximum amount from Orlando to Miami is 60 dollards, but higher amount works mostly for closer travel day, they also offer discounts if you reserve it earlier, minimum amount is 25.00
Probably around $40-55. I recently did Orlando to Tallahassee and it was 55 based on distance.
Not sure ,but Dallas to Austin was $35
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