With Allegiant Airlines, you will be able to travel throughout the United States at very affordable rates. However, customers can use the Allegiant Air promo code and Allegiant Air coupon for an additional savings of up to a hundred rupees on their Allegiant Air flight booking. If you do not know about the coupon or promo code you can contact Allegiant Airlines Reservations Number +1-800-278-1680. Here our agent gives you all the information about Allegiant Air Flights coupons and offers many great packages under your budget. You can visit our offices in these locations – South Dakota, Florida, North Dakota, Indiana, Nevada, Ohio, Wyoming, Iowa, Montana, Arizona.