Can I add an infant to an existing booking Frontier Airlines

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Frontier Airlines is an ultra-low-cost American airline that offers exclusive deals and insider experience to all its passengers. It takes excellent care of the comfort and luxury of its passengers by providing them with the best services. In case you have opted for a family trip and have booked with Frontier Airlines but still need to add a booking for an infant. You can add infants to Frontier Airlines by adhering to the policies and procedures of Frontier Airlines.

Traveling with an infant is a stressful experience if you do not find an airline that offers the best travel plans for you and the infant. Taking it all into account, Frontier remains a preferred line of flight for all, as it has a flexible infant travel policy. The details of the policies and processes regarding an infant's travel is given here for you to make a reference and book the flight. 

Give details on Infant policy with Frontier:

Certain aspects are associated with the airline as part of the Frontier Infant Policy, which you need to adhere to if you would like to add an infant to the reservation made with Frontier. The pointers associated with the same are given here for you to ideate on:

  • Frontier Airlines allows the infants in the age group of 7 days to 2 years old to be seated on the adult's lap at no additional cost levied of.
  • All the infants must be added to the reservation that has been made and must carry the boarding pass, even if they are sitting on the lap. 
  • The airline allows you to take the infant's stroller on the flight, but you would be required to get it checked in at the airport's main gate. No fee would be charged for the same. 
  • A car seat is only permitted on the plane if you have made a prior request and have been granted permission to carry the same.
  • The adult traveling with the infant on the lap can carry an additional personal item, which can include the infant essentials or the diaper bag. No fee gets charged for the same. 

Can I add an infant to my flight after booking Frontier?

You can certainly add an infant to your flight after booking Frontier in mind the policies given below:

  • You need to add an infant to your reservation and are required to have a boarding pass, even if the infant doesn’t occupy any seat. 
  • The passengers can opt to travel with the infant by carrying them on their lap, provided they have booked a seat for the same under the children’s section. 
  • The passengers are allowed to carry only one infant for one confirmed ticket. Infants above two years of age must occupy the infant safety seat in the airline. 

How do I add infant on Frontier Airlines?

Frontier Airlines is amongst the Ultra-low-cost carriers of the United States. Apart from the economic airlines, you can find enough services to make traveling convenient and easy. Further, if you are willing to travel the same with an infant, then you could get various modes to book a flight ticket. Now, you can secure information about those modes by going below.

Call the airline for a reservation

The procedure for booking a flight ticket could be lengthy, but you can cut it to sort by making a ring to the airline. On the call, you get to share adequate information about the passengers and make a payment. Now, you can dial Frontier Airlines' phone number, 1 (801) 401-9000, and then choose the “reservation” option from the shred menu.

Use an online booking

When you wish to determine each fact of booking on your own, then you can use an online mode. There, you do not have to pay an additional amount, and the step-by-step process in relation to this is stated at the bottom:-

  • Reach to the official site of Frontier Airlines
  • After that, click on the “book a flight” options
  • Now, enter the flight details, and from travel titles, add an infant.
  • On the next tab, choose a flight and flight ticket.
  • Further, submit the details of travelers and click on the next icon.
  • Thereafter, pay the cost of the booking, and then a confirmation email could be received at the registered email address. 

Are infants free on Frontier Airlines? 

Yes, infants are allowed to travel free on frontier airlines until and unless they come under a certain bracket, that is:

  • Infants should be at least seven days old and not exceeding two years of age to travel in all the domestic and international frontier airlines for free. 

  • Another criterion is that if an infant is accompanied by a full-fare paying adult of more than 18 years of age, they can travel without any charges.

Can I bring a car seat on Frontier Airlines?

Yes, you can bring a car seat on Frontier Airlines; the terms and conditions that need to be followed here are:

  • Car seats must be pre-approved with air-travel approved FAA (Federal Aviation Administration) levels. If they don’t contain a group, car seats must be checked in only. Booster seats may not be used during landing and taking-off but can be used during flight. 

  • Car seats cannot be placed in emergency exit rows, the rows directly in front or behind the emergency exit rows, or in the very first row. It is also suggested to place car seats in window seats so they do not hinder the way to the aisle by other passengers.  

How do I get my lap infant Frontier boarding pass?

When you are traveling with children on Frontier Airlines then, you get to add that to your boarding pass. Further, if you have included it, then by completion of adult check-in, you can receive the boarding pass of the infant, too. Now, the modes through which you can have it are listed at the bottom. 

Web check-in

When you are eligible to have a flight ticket through an online check-in. In this way, you can get an electronic boarding pass, and the path through that you can have the same is displayed underneath:-

  • Go to Frontier Airlines's official site
  • Now click on the check-in icon
  • Then, enter your confirmation code with your surname
  • After that, choose a travel and click on the check-in options
  • Further, complete the online process and have a flight ticket.

Airline counter

When you didnt qualify to board a flight through an e-boarding pass, then you can have it done from the airline counters at the airport. In this case, you have to share your details with the on-ground customer service and have a flight through with them.

What are booster seats?

It is an additional seat or cushion that can be placed over the seat for the child to sit comfortably throughout the flight journey taken. Frontier allows to bring along the booster seat, but you are prohibited from using it during takeoff and landing of the flight. 


Yes, babies board first on Frontier Airlines. Further, this sort of boarding is acknowledged as courtesy boarding, but the children have to be under three years of age. Further, the other travelers might board later than this. 

Yes, Frontier Airlines will let you sit with your child. However, this provision is assigned to infants under 2 years of age and, per adult, one child if permitted. Moreover, when you are traveling with more than one child, you have to purchase one more flight ticket in order to sit with a child. 


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