Spirit Airlines has closed its doors after a federal court blocked its merger with JetBlue, leaving more than 11,000 employees without jobs. With fewer low-cost flight options, travelers now face higher fares in a more consolidated market.

Montana’s holiday flight prices are drawing attention from travelers and officials alike. Fuel prices, aircraft efficiency, and market competition all have a hand in shaping the state’s seasonal airfare trends. This article explores how these forces combine to affect holiday travel costs.