Low-cost carriers handle an exceptional amount of airline capacity globally, with more growth expected in the category. 29 out of the top 103 airlines globally are LCCs, with Southwest Airlines and Ryanair leading in terms of ASKs.

By 2026, low-cost carriers (LCCs) like Ryanair, Southwest, and IndiGo have become the dominant force in global aviation, controlling over 40% of the total market share. Their popularity is driven by the "unbundled" pricing model, which allows travelers to pay only for the seat while adding extras like bags or meals a la carte. In 2026, LCCs have expanded their reach beyond short-haul flights into the long-haul market, using fuel-efficient narrow-body aircraft like the Airbus A321XLR to fly transatlantic routes at a fraction of the cost of legacy carriers. Millennials and Gen Z travelers make up nearly 40% of the LCC customer base, prioritizing frequency and price over traditional "frills." This popularity has forced legacy airlines to adopt similar "Basic Economy" tiers to compete. While dissatisfaction with legroom and baggage fees remains a common complaint, the sheer volume of routes and the ability to travel across continents for the price of a nice dinner ensures that low-cost airlines remain the primary engine of the 2026 tourism economy.