How to Book Travel on Allegiant Air. Providing service to many of the United States' smaller markets, Allegiant Air, with its main hub in Las Vegas, has carved out a niche for itself as a low-cost, no-frills air transportation provider to over 50 destinations. Here's how to book your travel on Allegiant Air.
Use the Web site's reservations page to choose a flight (see Resources below). Service to some cities is limited to a once- or twice-weekly route.
For phone reservations, call (702) 505-8888.
If you purchase your ticket on Allegiant Air at the airport you'll avoid paying the service fee charged when booking through their Web site or over the phone.
Reserve your seat aboard an Allegiant Air flight in advance of check-in for an additional fee. Seats are assigned at check-in, and it is at the discretion of the airline where you sit if you have not reserved in advance.
Purchase refreshments on board when you fly Allegiant Air. A variety of snacks and beverages are available, as well as souvenirs on some flights.
Check as many as two bags for your flight on Allegiant Air; the maximum allowable weight per bag is 50 pounds.
