Froniter Airlines have a $39 One way airfare (or $86 RT) Nonstop from Austin (AUS) to Orlando (MCO) on March 3rd. Possibly okay for Daytona Beach Bike Week happening in Daytona Beach, FL because return is available for March 11.
$86 Roundtrip, Nonstop travel availability
Departs AUS: Mar 3
Returns AUS: Mar 4, 8, 10, 11
Book it on Orbitz