Spirit Airlines includes a personal item in your fare, which means you can bring that laptop bag or purse onboard for free. Just keep it smaller than 18 inches by 14 inches by 8 inches.

Pack a small, separate bag for toiletries. (Liquids, gels and aerosols packed in carry-on must follow the 3-1-1 liquids rule: ...

Spirit Airlines has announced a new $100 fee for checking carry-on bags at the boarding gate. Starting November 6, 2012, customers who wait until the last minute to purchase their carry-on space ...