What are some ways to contact Allegiant Airlines?

As of 2015, some ways to contact Allegiant Airlines include calling, mailing a letter and submitting an online form to get an email response. Customers can fill out online forms on the airline's website, AllegiantAir.com, and include information such as name, email address and the reason for contact.

Another way to contact the company is through its main telephone number, 702-505-8888. This is the reservations number. A customer can also mail a letter directly to the company at: Allegiant Travel Company, ATTN: Customer Relations, PO Box 371477, Las Vegas, NV 89137. Customers sending letters should include all of their personal information if they want return messages.