Move over Spirit Airlines - there's another low-cost carrier about to make serious money off passengers' carry-on baggage. Las Vegas-based Allegiant Air confirmed to ABCNews.com it will begin charging ...

"Allegiant will begin charging for carry-ons for travelers booking new reservations beginning Wednesday (it will go live on our website late Tuesday night PDT)," Allegiant spokeswoman Jessica Wheeler ...

Allegiant says it will conduct a system update beginning at 7:30 p.m. (Eastern)/ 4:30 p.m. (Pacific) on Tuesday. The company's website and mobile app will be unavailable while the update is in ...

If you need to change the name on an Allegiant airlines ticket, it’s crucial to address this as soon as possible. 1-866-829-1420 is the… If you need to change the name on an Allegiant airlines ticket, ...

Allegiant Air was unable to take bookings for about seven hours Sept. 2 because of a problem with its reservations system. On Sept. 3, it was “still working through what caused the outage,” a ...

Santa Barbara travelers headed to Las Vegas most likely will have to spend more time and money after Allegiant Air announced it is canceling its Santa Barbara-Las Vegas nonstop flights effective Sept.