Frontier Airlines announced a new promotion on Tuesday, taking aim at rival Southwest over its recent decision to end unassigned seating and a long-standing policy of free checked bags.

Frontier Airlines is stepping up its game. The airline announced Tuesday via press release that it will offer customers a free checked bag on select flights this summer. As part of its economy ...

Frontier Airlines is offering a complimentary checked bag, carry-on, seat selection, and flight changes for nonstop flights booked by March 24. This promotion follows Southwest Airlines' recent ...

DENVER — Frontier Airlines is capitalizing on the growing backlash against Southwest Airlines with a new promotion this summer. Frontier Airlines announced Tuesday that all bookings for nonstop ...