Frontier charges you for every bag checked, more for a carry on, and even more for each subsequent bag. https://www.flyfrontier.com/travel-information/baggage/

Frontier charges you for every bag checked, more for a carry on, and even more for each subsequent bag. https://www.flyfrontier.com/travel-information/baggage/ https://www.flyfrontier.com/travel-information/baggage/ If you're paying specifically for the service, and it is mishandled, you're more likely to complain.