Method 1: Calling Allegiant Air phone number
If you need to speak to a live person at Allegiant Air, the easiest way is to call their customer service number. Here's how:
Dial Allegiant Air's customer service number: 1-702-505-8888.
When prompted, press "3" for general inquiries and assistance.
Next, you'll be asked to press "1" for existing reservations or "2" for new reservations....