Allegiant Airlines Customer Service provides top class services 24/7 to their customers .we offers the lowest fare available at the time and place of booking, to know about our check-in policy, you can visit and look for it on our website. We are here to help your queries,Just  dial our Allegiant Airlines helpline number which is +1 (702) 765-4833.Contacting us also allows you to get proper information on Unaccompanied Minor, baggage policy, date change, flight cancellation, check-in policy, etc.