Information on selecting your airline seats, seat upgrade, free online check-in, paperless boarding pass for a more convenient and comfortable travel.

All passengers must Check In and get a boarding pass prior to flight departure. How to check in for your flight and get a boarding pass: Online Check-In (FREE): You can check in online starting 24 hours before your flight by visiting Online Check-In. Be sure to verify your seat assignments and bag reservations before you print your paper ...

Retrieve your boarding pass(es) digitally on the Allegiant mobile app (recommended), or, check in online and print your paper boarding pass(es) to bring to the airport. A $5 fee applies for boarding passes printed at the airport.

How to Allegiant gives you quick access to travel bundles, seating & baggage options, airport check-in, and printing your boarding passes. Save time & money with Allegiant!

<p>You will need to check in to get boarding pass(es) starting 24 hours before and up to 45 minutes prior to scheduled flight departure.</p><p>There are two options for getting your boarding pass(es) in advance:</p><p>1.

We offer pre-boarding to our passengers with a disability and to those who need additional time boarding. If you wish to pre-board your flight, we suggest arriving at the gate area at least one (1) hour before scheduled departure.

To avoid this charge, passengers may check in online and bring a printed paper boarding pass to the airport, or use the Allegiant mobile app to get a digital boarding pass. Please note, check in closes 45 minutes prior to scheduled flight departure.

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About Key West. Key West is one of our scenic destinations for Allegiant. Discover the best experiences that Key West has to offer. From hanging out at the numerous piers Key West has, to having fun with watersports, to visiting the beautiful beaches, get to know the southernmost point in the United States, Key West, by planning your trip through Allegiant.

All carry-on and personal items must fit within Allegiant’s luggage dimensions and may be verified prior to boarding. Please measure your bags carefully, including exterior wheels, pockets, and decoration.