Smart packing is essential while flying with spirit carry on size in order to maximize room and prevent additional fees. Select a lightweight suitcase or a structured travel backpack made especially for low-cost airline proportions, as the carry-on bag must fit inside the rigid 22 x 18 x 10-inch limit. To save space, roll your clothes and compress them with packing cubes. Additionally, pay attention to TSA regulations on liquids and weight distribution. Saving money while still packing more than one personal item can be achieved by purchasing Spirit's "Bundle It" option, which offers a discounted pricing for one carry-on and one checked bag. Careful planning can turn a budget flight into a stress-free journey.
https://airlinesofficedesk.com/blog/spirit-airlines-carry-on-size/