What will be your reaction if you can save a lot of dollars on flight tickets? There is a cheapest way to book multi-city flight tickets on Spirit Airlines. If travelling, you must read about multi-city round-trip flight tickets and how to book a multi-city flight on Spirit Airlines. Let's discover if Spirit Airlines offers this option, delve into the booking process, and reveal the cheapest ways to book these flights. We will also touch upon international multi-city flights and provide insights into finding the best multi-city flight deals.