How Do I Speak To Allegiant Customer Service? To Speak With Allegiant Airlines Customer Service, call their Customer Support hotline at +𝟏-𝟖𝟓𝟓-𝟓𝟒𝟐-𝟗𝟑𝟓𝟒 (OTA) or +𝟏-𝟖𝟓𝟓-𝟓𝟒𝟐-𝟗𝟑𝟓𝟒 (OTA) (Live Person).

• Website URL: https://www.devex.com/people/fastest-way-to-call-directly-at-allegiant-airlines-2123686