https://www.flycotravel.com/blog/allegiant-air-cancellation-policy
Allegiant Air Cancellation Policy- Fees
Tickets can be cancelled in multiple modes by Allegiant airline. If you face any issues with online ticket cancellation, email the Allegiant Airlines Reservations Allegiant Airlines Cancellation Policy team for cancellations of flights. The telephone tickets, airlines and ticket offices can be cancelled. Internet tickets can be found. Earlier Allegiant Air https://www.flycotravel.com/blog/allegiant-air-cancellation-policy