Allegiant Air (G4) seat map listing

Check-in online (web check-in), mobile check-in (Android or iOS apps), and airport check-in counters. Arrive at the airport at least 2 hours before your flight departure time. You can check in online (web check-in) between 24 hours and 45 minutes before your flight departure time.

Allegiant Air Check-in rules

All passengers may bring one personal item on board free of charge. Maximum dimensions: 7 x 15 x 16 inches (17.8 x 38.1 x 40.6 cm). Hand luggage is available for a fee. Maximum size: 9 x 14 x 22 inches (22.9 x 35.6 x 55.9 cm). Up to four pieces of checked baggage per passenger can be purchased in advance. Each checked baggage item may weigh up to 40 pounds (18 kg).

Allegiant Air Baggage rules

Allegiant does not accept unaccompanied minors under the age of 15. Passengers 15 years of age and older are considered adults. Passengers under 15 years of age must be accompanied by an adult whose ticket is issued for the same reservation.

Unaccompanied minors in Allegiant Air

Infants under 24 months of age can travel for free on the lap of a paying adult, or a seat ticket can be purchased to have an infant secured in a car seat. A child over the age of 2 must have his or her own place.

Allegiant Air Infants policy

Cats and dogs are allowed in the Allegiant cabin if the flight is within the 48 contiguous U.S. states, San Juan and Puerto Rico. Adult passengers (at least 15 years old) are allowed one pet carrier and no more than two pets per carrier. Large dogs are not allowed on flights as checked baggage. For pets traveling in the cabin, pages must be no larger than 22 cm x 40 cm x 48 cm (9 in x 16 in x 19 in).

Flying with pets on Allegiant Air