Allegiant Airlines Baggage Fees & Allowance FAQ's
1. What size is a carry on bag for Allegiant Air? +
Allegiant airlines allow one carry-on and it should be size under 9x14x22 inches.
2. What does the Allegiant charge for baggage? +
Allegiant charges $18-$50 for the first two checked bags and $75 for the third and further baggage.