What age is free on airlines?

Infants under 2 years old can travel at no charge in the lap of their parent (any age), or an accompanying adult 16 years or older traveling in the same cabin. We welcome infants as young as 2 days old, but infants less than 7 days old require a 'Passenger Medical' form to be completed before your flight.



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It is an FAA regulation that children aged 2 and older require their own ticket and seat. I recommend buying a ticket even for children under the age of 2 and strapping them into an airline approved carseat.

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Ticket fares for babies and children On domestic flights, infants under the age of two often fly for free if seated on their parent's lap, and some airlines charge a (discounted) fare. On international flights, airlines often charge 10% of the adult ticket price.

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To prove your child's age to an airline, one of the following documents will suffice: Child's passport (how to get a U.S. passport for an infant and things to know about children's passports) Child's birth certificate. Child's immunization form or other medical records may also work domestically.

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Planning your trip
  • Infants on lap. Children under two can sit on a parent's lap during flights to any destination.
  • Infant seats. Alternatively, infants can have their own seat if you bring an approved car seat.
  • All other kids. Children older than two will need a ticket and their own seat on the plane.


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YOU WILL NEED TO PURCHASE A TICKET FOR YOUR CHILD IF YOU: Have a child that turns 2 during the trip. Prefer the child sit in a seat with an FAA-approved child safety seat. Already have a child that will be sitting in your lap, regardless of age.

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The best time to fly with kids The best times, most agree, are between three and nine months, when kids aren't yet mobile, and any time after age two or three. The idea here is to bypass the toddler phase, and, more importantly, to avoid flying with young infants. The latter is especially risky says Dr.

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When you travel with a child under 2 years of age, you may choose to travel with the child on your lap (infant-in-arms) for free on all flights within the United States. Our step-by-step guide explains how to easily add an infant-in-arms to your ticket yourself.

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Once your child is 2 years old, you'll need to purchase a seat for them. The FAA recommends that children under 40 pounds continue to use a car seat and that children over 40 pounds use the seat belt on the airplane seat.

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A parent who purchases airline tickets for a family should receive a guarantee from the airline that it will seat the parent and child together without fees or a last-minute scramble at the gate or having to ask other passengers to give up their seat to allow the parent and child to sit together.

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