https://www.lowfaresfinder.com/blogs/how-can-i-cancel-my-aeromexico-flight Flexibility Matters: Aeromexico's Approach to 24-Hour Cancellations Unveiled Aeromexico 24-hour Cancellation: Aeromexico grants passengers the option to cancel flights within 24 hours of booking, regardless of fare type, with a full refund. This policy applies as long as the reservation was made at least 2 days before departure. Refunds are issued back to the original payment method.