Knowing the Frontier Carry On Size rules can help you avoid unexpected fees when traveling. Frontier Airlines allows carry-on bags with maximum dimensions of 24" x 16" x 10", including handles and wheels. Unlike personal items, carry-ons must be stored in the overhead bin and usually require an additional fee. To save money, measure your bag before heading to the airport and prepay fo... https://www.airlinereservationwindow.com/frontier-airlines-personal-item-size-limit/