Spirit airlines reservations offer the best deals according to fare. It is one of the best airlines in the United States with low fare rates. The airlines do not have any specific categories for passengers but they offer a seat in two phases. Spirit Airlines will randomly assign you a seat at check-in for free. For booking your desired seats, the fare rate starts from $5 and vary according to your destinations. You want to know about your destinations share contact Spirit Airlines Reservations Number +1-800-278-1680.