https://www.devex.com/people/full-support-can-you-cancel-allegiant-flights-without-penalty-2424234 Can you cancel an Allegiant flight without penalty? Summary. (+𝟭-𝟴𝟴𝟴-𝟮𝟲𝟳-𝟵𝟱𝟱𝟭) Yes, you can cancel your Allegiant flight (+𝟭-𝟴𝟴𝟴-𝟮𝟲𝟳-𝟵𝟱𝟱𝟭 without a penalty if done within 24 hours of (+𝟭-𝟴𝟴𝟴-𝟮𝟲𝟳-𝟵𝟱𝟱𝟭 booking. and at least 2 days before departure, (+𝟭-𝟴𝟴𝟴-𝟮𝟲𝟳-𝟵𝟱𝟱𝟭) you'll receive a full refund at...