Originally Posted by
diburning
I have a credit from a cancelled flight. Am I allowed to use this on add-ons like seat fees?
I also have a voucher for $100 that Frontier gave me as a customer service gesture. I know that it only applies to base fare. Can this be combined with the flight credit?
Typically only on base fare and only for you. No add-ons nor taxes nor CIC or other fees. Typically you can combine them.