Budget carrier Frontier Airlines is offering free checked luggage and economy bundles that come with seat assignments and carry-on bags.

Spirit and Frontier are taking issue with the way the Transportation Department awarded long-distance flights out of Reagan ...

SAN DIEGO (FOX 5/KUSI) — Southwest Airlines is set to expand its slate ... new terminal with its opening in September 2025, joining Frontier, Sun Country, Spirit, Breeze, JetBlue and Allegiant.

Spirit Airlines emerged from Chapter 11 bankruptcy this week, meeting its target to exit in the first quarter.

Let down by the end of Southwest's free checked luggage move? Frontier is hoping to entice you onto their planes with a new ...

Frontier Airlines recently announced 14 new or expanding ... and More With $19 Flights — When to Book Score $19 Flights to Miami, San Diego, and Austin With Frontier's Latest Sale This ...

Phoenix Sky Harbor is one of three airports to get Frontier Airlines' new flights to this Pacific Northwest city. Here's how to get the cheapest fare.

Seattle Paine Field International Airport in Everett will unveil a new airline that will be launching services from the airport to multiple destinations this spring.

From red-eye flights on Southwest to the return of an important international route, here are all the new flights from Phoenix for spring break 2025.