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For immediate assistance, Customer Care representatives are available 24/7. You can also ask a question using our Live Chat option on our Contact Us page. We will research and respond as …

Nov 26, 2014 · You can change or cancel your flight online through the Allegiant Air website or by contacting customer service at (702) 505-8888. Fees may apply depending on the fare type …

Mar 31, 2023 · If you wish to contact Allegiant Airlines customer service for any help or assistance, call Allegiant Airlines phone number at (702)505-8888 or 1 (802) 528-7101 and …

Once you have made a reservation, there are 5 things you should know before you fly with Allegiant Air. Need to cancel or make a change to an itinerary? Visit us here.

May 21, 2024 · Allegiant's Customer Relations Department will address, via conventional postal service, all issues and compliments from customers regarding flights already taken.

What you need to know before flying with your pet or service animal in the cabin.

Read the FAQ for important information on Allegiant airports and cities, baggage, reservations and ticketing, seating, check in and boarding, traveling with children and pets.

Oct 17, 2025 · I contacted customer service that night and waited 45 minutes on the floor. They told me to complete a form online which I did which was completed on July 11 at 2:38am in the …

Sep 17, 2025 · You can reach Allegiant customer service online through the Manage Travel section, via live chat on the airline’s website, or by calling 702-505-8888. Allegiant doesn’t …