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Starting November 1, 2018, Frontier Airlines has stopped accepting Unaccompanied Minors travelling alone if they are below 15 years of age, i.e., it no longer offers the Unaccompanied Minor service on flights.

Per Frontier Airlines rules for minors, children below 15 must hold the same reservation as an accompanying adult or be undecided and accepted on the flight. That means children below 15 years are not allowed to travel alone; they must be advised by a passenger at least 15 years old.

How can I make a solo reservation for Frontier Airlines flights for minors?

Frontier Airlines provides a comprehensive Unaccompanied Minor Policy to confirm a safe and secure travel experience for children flying alone. Here's a step-by-step guide to booking an unaccompanied minor flight with Frontier Airlines:

Booking An Unaccompanied Minor Flight - Online

  • Visit Frontier Airlines' official website or your preferred platform for booking flights.
  • Begin your flight search by entering the leaving and appearance cities, travel dates, and the number of passengers, including unaccompanied minors.
  • Indicate the number of unaccompanied minors during the booking process.
  • Browse the available flight options, considering departure and arrival times, layovers, and flight duration.
  • Review and select your desired fare options, including cabin class and ticket type.
  • Customise your trip by adding additional services like seat selection or checked baggage.
  • Provide the necessary passenger information, including details for the unaccompanied child.
  • Double-check all the booking information for accuracy.
  • Proceed to the payment phase and select a secure payment option.
  • Complete the payment procedure and receive a booking confirmation via email or the platform's confirmation page.

Note: It's essential to follow Frontier Airlines' instructions and requirements for unaccompanied minor travel, including any necessary documentation or forms. Additionally, when using third-party platforms, ensure they offer the option to book unaccompanied little flights with Frontier Airlines and comply with the airline's policies.

Frontier Airlines' Approach to Lap Infants and Children Policy

Lap infants (7 days – under two years old) can travel free of charge on an adult's lap, who must be at least 15 years old on domestic flights and 18 years old on international flights. 

Frontier Airlines requires that:

  • Children 2 years or older must travel on a paid seat. 
  • Children below two years travelling on a seat will be charged for it. 
  • Each ticketed adult can hold only one lap infant. 
  • A ticketed adult with two lap infants must pay for the second seat. 
  • Lap infants travelling on a paid seat must use an FAA-approved car seat or harness. Booster seats are allowed during the flight but not during takeoff and landing. 

Frontier Airlines' guidelines for lap infants?

When travelling with minors/lap infants on Frontier Airlines, the following rules apply:

  • Air transport can be booked online or by phone at (801) 401-9000. 
  • An adult passenger can hold only one lap infant. 
  • An adult passenger travelling with two lap infants can hold one lap infant on their lap and must purchase a seat for the second lap infant, who must use an FAA-approved child restraint device. 
  • Always carry a birth certificate for age verification, as it may be requested if your child's age appears questionable.
  • Due to equipment limitations, the number of infants accepted on a flight will depend on the aircraft. 
  • Two adults with two lap infants cannot sit on the same side of a row. 
  • A passenger travelling with a lap infant cannot sit on a first-row seat if the seat has an airbag seatbelt installed.

Frontier Airlines' policy for child seating

Children under/over two years old travelling on a paid seat must use an FAA-approved car seat or harness. The minimum seat width varies by aircraft and is as follows:

  • On the A321 plane, the minimum seat width is 16.5in. 
  • On A319/A320 aircraft, the minimum seat width is 17.4in. 
  • Frontier Airlines allows using AMSafe Child Aviation Restraint System (CARES) as an alternative to car seats. 

Car Seats 

When using a car seat on a Frontier Airlines aircraft, you must ensure that:

  • The child's weight does not exceed the maximum weight limit of the car seat. 
  • The car seat is sturdy and equipped with proper restraint straps. 
  • The car seat bears a label that the restraint system observes all applicable democratic coach safety qualities and is certified for use in motor vehicles and aircraft. 

Car Seat Restrictions on Frontier 

Car seats:

  • They cannot be placed in the difficulty exit row or on seats straight in front of/behind them. 
  • It cannot be placed on a seat with an airbag. 
  • Must be appropriately secured by a seatbelt throughout the trip. 

Must not block a passenger's path.


Through its thorough Unaccompanied Minor Policy, Frontier Airlines prioritises the security and welfare of unaccompanied kids. Frontier Airlines remains a dependable option for families looking for peace of mind and a fantastic travel experience for their children by including laws and regulations that assure great care during the voyage. Have a safe flight with Frontier Airlines.


A. Frontier Airlines does not allow unattended children. The airline allows anybody 15 and older to fly by themselves. Anyone under 15 must accompany an adult ticketed on the same reservation.

A. Children under 18 years travelling on domestic flights are not required to show any ID, but it is highly approved that they carry a valid ID card to prove their age.

A. Unfortunately, you cannot book flights for unaccompanied minors on Frontier. An adult must accompany children under 15 on the same flight booking.

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