Cagliari - Sardinia from CHF 109. Catania - Sicily from CHF 78. Florence from CHF 150. Génova from CHF 150. Lamezia Terme from CHF 112. Milan from CHF 144. Naples from CHF 120. Olbia - Sardinia from CHF 79. Palermo - Sicily from CHF 131.
FREE: Print your boarding pass at home. Click here. FREE: Download the Allegiant App to check in on your mobile device and get your boarding pass. Download App. $5: If a ticket agent prints your boarding pass (es), you will pay a $5 charge (no cash please) per boarding pass. (Fee does not apply to those with special needs.)
For domestic flights, please check in online from 2 days before departure to 1 hour before departure. For international flights, please check in online 72 hours before departure until 3 hours before departure. You cannot cancel your online check-in 3 hours or less before departure.
Online check-in allows you to check in for your flight from anywhere in the world. Simply log-on to the airline’s website or app and input your name and booking confirmation number to
Don’t worry. It’s more of an airline system issue. If your ESTA is valid they will be able to verify it when you go for counter check in. It could be a passport number mismatch. You may want to double-check that you've entered the passport number correctly both in ESTA and in the airline's system.
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how does online check in work for flights
