Can you change your flight on Allegiant for free?
Summary. You can change your Allegiant flight without a fee at +𝟭-𝟴𝟲𝟲-𝟴𝟮𝟵-𝟭𝟮𝟵𝟳(US) or +𝟭-𝟴𝟲𝟲-𝟴𝟮𝟵-𝟭𝟮𝟵𝟳(US) if done within 24 hours of booking, as long as it's at least 7 days before departure. After that, a fee applies. Allegiant Air has a relatively low cancellation rate, typically around 1-2% of its flights.
