Frontier expanded into 100+ former Spirit routes this spring — fares on those routes are already 15% to 20% higher than what Spirit used to charge
A round-trip flight from Fort Lauderdale to Detroit on Spirit Airlines used to run as low as $78 in the off-season. This spring, the same route on Frontier Airlines starts closer to $100. Multiply that shift across more than 100 city pairs, and you begin to see what Spirit’s disappearance actually costs the travelers who…