FRONTIER AIRLINES ANNOUNCES DISCOUNTED RESCUE FARES TO SUPPORT SPIRIT AIRLINES CUSTOMERS Accessibility Statement Skip Navigation Frontier Serves More than 100 Routes Previously Flown by Spirit DENVER, May 2, 2026 /PRNewswire/ -- Frontier Airlines today announced systemwide rescue fare discounts and is also offering a $199 GoWild All-You-Can-Fly Summer Pass to support travelers affected by Spirit Airlines' end of operations, helping customers maintain access to low fares. Frontier currently serves more than ...