For passengers who require as efficiently as possible, it is essential to know the maximum size of carry-on luggage allowed by Frontier Airlines. Due to Frontier's stringent size limits, only bags that fit the dimensions of 24 x 16 x 10 inches are allowed in the cabin free of cost. Your stuff and luggage must fit in the seat in front of you, including the overhead bag. Visit- https://www.airlinesticketoffi....ce.com/blog/frontier