What are the Rules for Infants on Allegiant Air?

Infants need to be booked along with adults. Those 15 years or above are considered adults on Allegiant. So an infant can, as a rule, travel with those who are 15 years or above. But there are restrictions on the seats which can be occupied by infants. Exit row seats can’t be booked for infants. Seating should also conform to the rules. In a single row, you may not add more than 2 lap infants.

According to Allegiant infant policy, only children below 2 years can travel on lap. You will have to prove the child’s age to add a lap infant. Flyostudio may be reached on +1-844-414-9223 for details of the acceptable age proof. In this blog we will consider the below aspects of infant travel.

• Booking a lap infant or infant seat.
• Acceptable documents for infants.
• Extra baggage for infants.
• Situations where infants can be denied a flight.

How do you Book an Infant on Allegiant Air?

You will have to add both lap infants or infants occupying a seat. Both infant seats and lap infants may be added when you are booking a flight online. The number of lap infants shouldn’t be more than adults on a flight. The number of infants occupying seats may exceed the number of adults. Here are a few things you must remember when you are flying with infant on Allegiant Air.

• Reserve your seats - Since you and your infant must remain together, Allegiant requires you to reserve your seats.
• Prepare documents - Allegiant Air will need to verify the age of infant if it has to travel on lap.
• Arrange a car seat - FAA-approved car seat must be acquired if you have booked a seat for infant.

Lap infant may travel free of cost within US. But seats will have to be booked for those 2 years old at the time of travel. The tickets may have a child discount. You may not be able to add lap infant after booking on Allegiant Air. Feel free to reach out to Flyostudio or Allegiant on +1-844-414-9223 or +1-702-505-8888 for details or assistance.

Do Infants Get Extra Baggage on Allegiant Air?

Extra baggage necessary for infants will not be rejected. Such baggage will have to be checked. Only 1 stroller, 1 carseat and 1 diaper bag will be accepted. If you are bringing a carry-on you will have to pay a fee. The carry-on will have size restrictions. Here is how Allegiant Air infant baggage allowance will be given carriage.

• Each ticketed passenger is allowed 1 carry-on plus 1 diaper bag.
• Strollers will checked in baggage hold on arrival or at departure gate.
• Car seats if not needed during flight will be checked in baggage hold at check-in or at departure gate.

What documents are Required for Infant Travel on Allegiant Air?

Government-issued identification is not required for infant travel. But if your kid is going to travel on lap, he or she must have an acceptable proof of age according to Allegiant Air’s child travel policy. A proof of age document has been made mandatory since 1 April, 2025. Here are the documents acceptable on Allegiant.

• Tickets if the child is about to turn 2 years old during the journey. - Whether it is domestic or international flight, children 2 years or over will travel as a ticketed passenger.
• An unaltered copy of birth certificate - The birth certificate must bear the complete name of the infant along with date of birth.

Can Allegiant Air deny a Flight to an Infant?

Yes, Allegiant Air can deny a flight to an infant if specific safety or documentation requirements are not met. Under Allegiant Air infant policy, lap infants 14 days or younger will be allowed only if they have a medical certificate. Take a look at the situations when Allegiant Air may refuse to give boarding to an infant.

• Lap infants not accompanied by an adult - The person carrying the infant must be at least 15 years old.
• Infants who don’t have an acceptable age proof - If an infant is not accepted as a lap infant, you will have to book a seat. You may travel only if a seat is available.
• You don’t have a certified car seat for you child - Federally approved convertible car seats must be acquired on Allegiant.

Allegiant recommends that you view the assigned seats when you check-in online. If the seats are not adjacent to the infant seat, you may visit Manage Travel section and change your seat assignment. For assistance or details you may contact Flyostudio or Allegiant Air on +1-844-414-9223 or +1-702-505-8888.