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What ages do kids fly free?

We're here to take you and your family wherever you need to go. Infants or children under 2 years of age can travel on the lap of an adult for free (within the United States) or at a reduced fare (for international travel).



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Lap infants
United Airlines, Delta Air Lines, Southwest Airlines and many others have similar policies for domestic flights, with a cutoff age of 2 years old. On international flights, there is no fare for lap infants, but fees may apply. In most cases, you'll need to add the infant to the adult's ticket.

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Does a 2-year-old need a plane ticket? Yes – once kids turn 2, they no longer qualify as a lap infant. They'll need their own ticket and their own seat to fly. However, some airlines may have slightly different rules or promotions, so it's worth doing a little research.

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A Lap Child may be carried free of charge domestically. For international travel, applicable government-imposed taxes and fees must be paid, and a ticket will be issued for each person, regardless of age.

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Babies under 2 years of age may fly on a parent's lap free of charge on domestic flights, or paying only the taxes and fees on international flights. If you would like your baby to fly in their own individual seat, rather than on your lap, Southwest airlines requires you to purchase an individual ticket for your child.

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Friends or acquaintances may tell you that age verification is not required for your lap child, but that is absolutely not true. While children don't need an ID for TSA, to fly as a lap infant and document to the airline that they are indeed under 2 years old, you need to be prepared.

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If a child turns 2 years during the trip, they need to have a child ticket instead of infant ticket, due to the seating on the return flight.

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The infant must be under 2 years of age for the duration of the trip. If they turn 2 during a trip, they will need their own seat for the remainder of the trip.

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Your personal item like a purse or small handbag must fit under the seat in front of you. Dimensions should not exceed 18 x 14 x 8 inches (45 x 35 x 20 cm). These don't count as your personal item or carry-on: Diaper bags (1 per child)

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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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What if my child turns 2 on the trip; will I have to buy a ticket for the return flight? Yes, a ticket will have to be purchased for any flight on which the infant will be over 2 years old.

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We may ask for age verification at any point within your journey, so you should travel with the documentation. If asked to provide proof of age and unable to do so, Customers will be required to purchase a ticket for the child.

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Q: What is the Southwest Family boarding age limit? A: In order to take advantage of Southwest family boarding, you'll need to be traveling with a child who is 6 years old or younger.

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