You can book Allegiant Airlines flights in several ways:
You can visit the Allegiant Airlines website (www.faresmatch.com) and use the flight search tool to find and book flights.
By Phone: You can also book Allegiant Airlines flights by calling the airline's reservation center.
You can also book Allegiant Airlines flights through a travel agency, which will help you find and book flights as well as provide additional travel-related services.
Through FaresMatch which allows you to compare flights, hotels and car rentals as well as book your package or individual reservation all in one place.
You can use the FaresMatch website and book flight reservations, check-in and manage your travel on the go