Allegiant Air·None
How to Change a Allegiant Flight — Fees & Rules
How to Change a Allegiant Flight — Fees & Rules — Summary
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
- Change fees: 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 and standby: Same-day changes are limited by the low frequency of most routes — there is often no other flight that day..
- The 24-hour rule: Cancel within 24 hours of booking for a full refund when booked at least seven days before departure..
- If you miss the flight: No-show forfeits the fare..
Change fees
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 and standby
Same-day changes are limited by the low frequency of most routes — there is often no other flight that day.
The 24-hour rule
Cancel within 24 hours of booking for a full refund when booked at least seven days before departure.
If you miss the flight
No-show forfeits the fare.
Which fare you bought matters
Standard — Carry-on, checked bags and seat selection are charged separately. Allegiant Extra — Available on a portion of the fleet only.
Fastest way to make the change
allegiantair.com and the app manage bookings, bags and check-in.
Allegiant changing your flight — common questions
Does Allegiant charge a change fee?
A change or cancellation fee applies per passenger per segment within a defined window before departure; beyond that window changes are free.
Can I cancel a Allegiant flight within 24 hours?
Cancel within 24 hours of booking for a full refund when booked at least seven days before departure.
What happens if I miss my Allegiant flight?
No-show forfeits the fare.
More Allegiant help
Booking Allegiant? Talk to a US travel consultant.
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.