Spirit Airlines offers a straightforward and user-friendly reservation process tailored for budget-conscious travelers. Spirit Airlines Reservations can be made online through Spirit’s official website, via their mobile app, or through customer service phone lines. The airline promotes its "Bare Fare" pricing model which keeps base ticket costs low and allows passengers to customize their travel experience with paid add-ons like bags, seat selection, and onboard refreshments. Early booking can yield the best deals, especially for those who join the Spirit $9 Fare Club, which provides access to exclusive discounts on flights and additional services, maximizing value for frequent flyers.