A round-trip ticket from Las Vegas to Dallas-Fort Worth cost $39 on Spirit Airlines the morning of May 1. By the afternoon of May 3, that same itinerary on the next-cheapest carrier was selling for $124. That’s a 217.9% jump, and it happened inside the 48-hour window after Spirit’s 3:00 AM ET shutdown on May ... Airfares skyrocket as much as 218% on Spirit Airlines’ busiest routes within just 48 hours of its May 2 liquidation