Allegiant passengers check in online by entering their first and last names and their confirmation numbers. The check-in period begins 24 hours before the flight is scheduled to depart. Online check-in ends one hour before the flight departure time.Continue Reading
The check-in process gives the traveler a chance to review the itinerary and travel details. During online check-in, the traveler sees the seat assigned to him by Allegiant. He has the option of choosing a different seat at that time for an additional fee.
Passengers have the option to print boarding passes as part of the online check-in process. If the traveler has an airline agent print the boarding pass at the airport, a $5 fee applies as of 2015. Another option is to have an electronic boarding pass sent via the Allegiant2Go mobile app.Learn more about Geography