Frontier Airlines Bets Big on Ultra-Low Fares Frontier Airlines’ handling of pandemic-related flight cancellations triggered outrage and spurred appeals for reform. Yet the Denver-based airline expects increasing demand for what it calls “Low Fares Done Right.” Will passengers who believe they were defrauded return to the ultra-low-cost airline?Kelly Bastone • By late March of last year, Darcy Lundstrom knew she wouldn’t be boarding any of the flights she’d booked for April and May. The girlfriend getaway to Las Vegas, the vacation with her daughter to Orlando, Florida, and t...