Frontier is one of the few airlines that currently charges a fee for standard carry-on bags and each
Frontier is one of the few airlines that currently charges a fee for standard carry-on bags and each checked bag (there are no automatic inclusions).With frontier airlines baggage policy, these fees increase from time to time. So, if you want to save your expenses then you should purchase both your carry-on and checked luggage allowance as early as possible.Remember, baggage charges are applied per one-way trip (i.e. you’ll be paying double these fees round trip). You should please check out all the details before paying your baggage charges otherwise visit the frontier airlines official site for more details. -- source link