Frontier Airlines is an ultra-low-cost carrier headquartered ... customers buy the add-ons they want—like drinks, priority boarding, seat assignments or checked bags—a la carte.

Rather than accept Frontier’s offer, Spirit said it will stick to its current plan to emerge from Chapter 11 bankruptcy.

On budget airlines like Frontier and Spirit, every step of the trip is monetized, from baggage check-in to printed boarding passes to purchasing water. Larger airlines have also tried to turn ...

The Frontier Airlines World Mastercard ... which is what the airline calls its priority boarding. Additionally, you’ll earn 10,000 Companion Pass qualifying points each year.