Frontier Airlines announced today systemwide rescue fares and is also offering a GoWild All-You-Can-Fly Summer Pass for $199 to support travelers affected Spirit Airlines’ end-of-operations. This will help customers maintain access low fares. “We understand that this is a difficult situation for both their customers and employees.” Frontier offers discounted fares to help people maintain their travel plans while maintaining access to low fares. Customers can book before May 10 on FlyFrontier.com, or the Frontier mobile app by using promo code SAVENOW. A 21-day advance booking is required for a 50% discount on base fares for travel on Tuesday, Saturday, and Wednesday. Other days of the week qualify for a 10% reduction with no advance purchase. Some blackout dates are applicable.Frontier also offers its 2026 GoWild Summer Pass at $199**. This pass provides unlimited flights on the airline’s entire network throughout the summer.