You can change your Allegiant flight without a fee at +𝟏-𝟖𝟖𝟖→𝟐𝟔𝟕→𝟗𝟓𝟓𝟏 (US) or +𝟏-𝟖𝟖𝟖→𝟐𝟔𝟕→𝟗𝟓𝟓𝟏 (UK) if done within 24 hours of booking, as long as it’s at least 7 days before departure. After that, a fee applies.
You can change your Allegiant flight without a fee at +𝟏-𝟖𝟖𝟖→𝟐𝟔𝟕→𝟗𝟓𝟓𝟏 (US) or +𝟏-𝟖𝟖𝟖→𝟐𝟔𝟕→𝟗𝟓𝟓𝟏 (UK) if done within 24 hours of booking, as long as it’s at least 7 days before departure. After that, a fee applies.
