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Allegiant Air·None
Change a Allegiant booking: change fees, fare difference rules, same-day change and standby, the 24-hour rule, and what happens if you no-show.
Key Travel Facts & Insights
A change or cancellation fee applies per passenger per segment within a defined window before departure; beyond that window changes are free.
Same-day changes are limited by the low frequency of most routes — there is often no other flight that day.
Cancel within 24 hours of booking for a full refund when booked at least seven days before departure.
No-show forfeits the fare.
Standard — Carry-on, checked bags and seat selection are charged separately. Allegiant Extra — Available on a portion of the fleet only.
allegiantair.com and the app manage bookings, bags and check-in.
A change or cancellation fee applies per passenger per segment within a defined window before departure; beyond that window changes are free.
Cancel within 24 hours of booking for a full refund when booked at least seven days before departure.
No-show forfeits the fare.
Fare rules, baggage allowances and change policies differ by route and fare brand. Our consultants confirm the exact terms attached to your itinerary before you pay — and handle the change or refund if plans move.