What are the rules for toddler travel?

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.




Toddler travel rules in 2026 focus primarily on safety restraints and age-based seating. Most airlines allow children under age 2 to fly as "lap infants" for a reduced fare, but safety organizations strongly recommend purchasing a separate seat and using an FAA-approved car seat. For toddlers aged 2 and older, a separate ticketed seat is mandatory. In cars, the global "gold standard" remains keeping toddlers in a rear-facing seat as long as possible (typically until age 3 or 4), after which they can transition to a forward-facing five-point harness. For air travel, many families use the CARES harness as a lightweight alternative to a bulky car seat. Additionally, ensure you carry a birth certificate or passport for your toddler, even for domestic flights, to prove their age. Many international destinations now require specific documentation if only one parent is traveling with the child to prevent international parental abduction.

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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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Toddler Travel Essentials
  1. Diapers or pull-ups, diaper cream, wipes and changing pad.
  2. Potty seat (if toilet-trained)
  3. Wipes or sanitizer for little hands.
  4. Easy-on, easy-off outfits (the fewer the buttons, the better) and PJs.
  5. At least two pairs of shoes (they're known to go missing...)
  6. Rain and cold-weather gear.
  7. Blankets.


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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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Children aged between 6 months and 2 years must sit on an adult's lap, unless a seat is purchased. In this case, a car seat may be used if necessary.

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Once your infant turns 2 years old, they'll be considered a child and will need to travel in their own seat. You'll need to book them as a 'Child' and pay the child fare.

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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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Children under the age of 16 do not need to show identification when travelling on domestic flights. The adult they are travelling with must travel with photographic identification and be able to confirm their identity.

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If you travel or are going to travel with a child, consider taking the following documents: If the child is traveling with only one of their custodial parents, they must have a letter of consent, preferably in English and notarized, from the other parent or signed by both parents.

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Do children need ID to travel in UK? Children under the age of 16 do not need to show identification when travelling on domestic flights. The adult they are travelling with must travel with photographic identification and be able to confirm their identity.

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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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But what about the snacks!?!? Dried fruits, nuts, granola bars, cereals, cracker, pretzel and cookies are all good options. Creamy items such as jams, peanut butter and yogurt however, are limited to travel-sized containers that are 3.4 ounces or less per item and will need to fit into a quart-sized bag.

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Firearms, ammunition, and fireworks are prohibited, as are all knives and safety razors (including pocket knives and Swiss Army knives). Straight razors and replacement blades for straight razors are also not allowed. Most tools also cannot be packed in carry-on luggage, as they have the potential to cause harm.

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Child Ticket Age and Price Most airlines count any person between the ages of 2—11 as a child. You're required to purchase a seat for children, although in most cases they're considerably cheaper than the price of an adult ticket (between 25—33% cheaper).

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Can I take milk on a plane for my toddler? Travel with toddlers on planes, means you still need to think about food and drink for them. And yes, you can still bring milk or water on board for your toddler. It's usually advised to bring water in a sippy cup rather than a normal water bottle.

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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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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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Baby Food Pouches The TSA allows passengers to pack canned, jarred and processed baby food in both checked luggage and carry-on bags (if you take it with you on the plane, it'll need to be screened separately Opens a new window from the rest of your travel gear, however).

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Standard strollers, folding wagons, and car seats can be used to get to your gate and then checked for free. They'll be returned to you on arrival. Collapsible strollers can be stored in-cabin. Car seats can be used onboard your flight too.

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Strollers can be checked at the gate or with your regular checked baggage at the ticket counter. A stroller may be brought onboard without counting toward your carry-on limit. This is based on space availability; space guaranteed only with the purchase of a ticket for the infant).

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