Frontier's summertime deal appears to be in response to Southwest Airlines, which recently announced it will start charging ...

Frontier Airlines is also making major upgrades including UpFront Plus seating, which offers extra legroom and a guaranteed ...

Frontier is offering a "divorce your old airline" deal after Southwest ends its longstanding "bags fly free" policy.

On March 18, the airline announced low fares, free checked bags and free flight changes. Frontier seized the opportunity ...

Frontier Airlines is offering a complimentary checked bag, carry-on, seat selection, and flight changes for nonstop flights ...

Frontier Airlines is offering a free checked bag on certain flights this summer, after Southwest Airlines announced it would ...

A Southwest Airlines customer checks a bag in Chicago's Midway International Airport. Beginning on May 28, Southwest will no ...

Frontier Airlines is offering free carry-ons and free checked bags for the summer. The airline said depending on customer ...

Southwest Airlines is ending its long-standing free checked bag policy for most passengers. Here are the details.

Southwest Airlines will begin charging customers a fee to check bags. It's a significant change for the budget carrier, which ...

The carrier announced Tuesday that it will begin charging certain passengers to check their luggage on flights, a significant ...

Frontier pounced on free bags as a winning value proposition after Southwest Airlines dropped its “two bags free” ...