Every Frontier Airlines ticket holder may bring one personal item on board free ... Most suitcases and bags billed as ...

Carry-on luggage size restrictions vary by airline-here's how to tell if your suitcase, backpack, or duffle bag is small enough to bring as a carry-on.

Frontier and Spirit paid $26 million to gate agents and others between 2022 and 2023 to catch passengers not paying the airline's required bag fees or having oversized items, the committee said.