Allegiant Air is assisting its passengers via call also. They are available to take your calls seven days a week, 24 hours a day. To get them on call. Dial the Allegiant Airlines phone number +1 (802) 341-3454 or 1 (702) 505-8888 and follow the IVR.

• To book a seat on the Allegiant Airlines, Press 1.
• To inquire about the availability of the flights, Press 2.
• To know the status of your service ticket, Press 3.
• To cancel your pre-booked flight, Press 4.
• To get a live person from Allegiant Air, Press 5.
• To go back to the main menu, Press 0.

Press the key as described in the IVR and get a Allegiant Airlines live agent to discuss your concern with them.