Spirit Airlines:Will My 18 × 15 × 10 Bag Fit?

Fits

Your bag meets the carry-on requirements, but it's too large to be a personal item. You'll need to store this in the overhead compartment during your flight.

Overhead Bin

AirlineMy BagLength22 in18 inWidth18 in15 inHeight10 in10 in

WeightNo limits

Under Seat

AirlineMy BagLength18 in18 inWidth14 in15 inHeight8 in10 in