Allegiant's phone number +1(866)-829-1297 or +44-(204)-586-5978 can be busy due to a high volume of customer inquiries, especially during peak travel seasons or times of significant flight disruptions.

The Allegiant phone number, (866) 829-1297 or +44 (204) 586-5978, may be busy due to high call volumes, especially during peak travel times or disruptions. To avoid delays, try calling early morning or late evening, or use their website’s live chat and email support for quicker assistance.