{ Cheapest Day ] What day of the week is cheapest to book Allegiant flights?

{ Cheapest Day ] What day of the week is cheapest to book Allegiant flights?

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Full information about Trip Flex is available here. Customers can cancel reservations online through the Manage Travel section of www.allegiantair.com, and can cancel or make changes to reservations by contacting Allegiant's Reservations Center at.