Allegiant Air passengers who want more legroom might have a new option if a test underway in Los Angeles is successful. The Las Vegas-based discounter, known for bargain fares and extra charges ...

Allegiant Airlines is a United States-based ultra-low-cost carrier catering to leisure traffic from small and medium-sized cities. The number nine airline on our list offers 1.18 million seats ...

Allegiant Air is adding flights at Mesa Gateway Airport ... Allegiant intends to increase its seats on flights at Gateway Airport by 20% as it adds more planes to its fleet. O'Neill said Allegiant ...