| Nonstop Flights: Austin to Orlando $83 r/t [May] â American Airlines American Airlines has round-trip flights from Austin (AUS) to Orlando (MCO) for $83, NONSTOP. Flights in May. Very few extended weekends available. Carry-on bag is allowed for free. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate. Click for more details and booking links Nonstop Flights: Austin to Orlando $83 r/t [May] â American Airlines . | 