A Spirit Airlines flight is a type of air travel service provided by the low-cost airline carrier Spirit Airlines. The airline operates flights to various destinations in the United States, Central America, South America, and the Caribbean. Spirit Airlines is known for its affordable fares and a la carte pricing model, where passengers can purchase additional services such as baggage and seat selection for an additional fee. To fly with Spirit Airlines, you will need to book a ticket on their website or through a travel agent, and then arrive at the airport on time for your flight.