LATAM Airlines infant and child policy: lap infants, strollers and kids flying alone
Our guide to LATAM Airlines infant and child policies. Find details on lap infant fares, baggage allowances, car seat rules, and unaccompanied minors.
On LATAM Airlines domestic flights, you can purchase an infant ticket for a lap infant at no additional cost. For international flights, a lap infant pays an infant fare of 10% of the adult fare plus taxes. The airline also has specific rules for adults traveling with two infants, requiring one to have a purchased seat.
| Topic | What LATAM Airlines says |
|---|---|
| Who counts as a lap infant | Infants can travel on an adult's lap from birth until they turn 2 years old.Source |
| Lap infant, domestic flights | On domestic flights, you can travel with an infant on your lap and purchase the infant ticket at no additional cost.Source |
| Lap infant, international flights | For international flights, a lap infant pays an infant fare of 10% of the adult fare plus taxes, but travel is free on flights from Mexico.Source |
| Baby in its own seat | If you prefer an infant to have their own seat on a domestic or international flight, you must buy a full ticket and meet safety requirements.Source |
| Lap infant limits | An adult may travel with up to two infants. One infant can be carried on their lap, and the other must be in an individual seat next to them, paying a full ticket.Source |
| Turning 2 during the trip | If an infant turns 2 years old during the trip, they are required to travel in their own seat.Source |
| Youngest age to fly | An infant under 8 days old needs a medical certificate, issued at least 10 days before the trip, to be able to fly.Source |
| Stroller | Infants under two may carry one collapsible stroller in the cabin. If there is no space, it will be sent to the hold at no additional cost.Source |
| Checking a car seat | An infant may bring a certified car seat as a cabin item. If there is no space in the cabin, it will be sent to the hold at no additional cost.Source |
| Car seat on board | Infants in their own seat must use a certified Child Restraint System (CRS). Booster seats are not permitted because they lack a backrest and harness.Source |
| Infant baggage | Infants under two traveling on an infant fare can carry one item in the cabin, like a stroller or car seat. This fare does not include checked baggage.Source |
| Youngest age to fly alone | Children under 8 years old cannot travel alone and must always be accompanied by a person over 18 years old.Source |
| Service required for | The unaccompanied minor service is mandatory for children traveling alone who are 8 years old until the day before they turn 12.Source |
| Service optional for | For adolescents aged 12 up to 18 years old, the Unaccompanied Minor Service is optional and can be contracted if preferred.Source |
| Flights allowed | The Unaccompanied Minor (UM) Service is only available on flights operated by LATAM and cannot be booked on codeshare flights or connections with other airlines.Source |
Lap infants and infant fares
On LATAM Airlines, a child can fly as a lap infant from birth until they turn 2 years old. For domestic flights, the infant ticket comes at no additional cost. On international flights, the infant fare is 10% of the adult fare plus taxes, though travel is free on flights departing from Mexico. If an infant turns 2 during the trip, they must have their own seat. An adult can travel with two infants, but one must be on their lap and the other in an adjacent seat with a full fare ticket.
“Traveling with an infant before turning 2 years old… you can travel with the infant on your lap”
Official wording, latamairlines.com, checked Oct 21, 2026
“Domestic flights: you can travel with the infant on your lap and buy the infant ticket at no additional cost.”
Official wording, latamairlines.com, checked Oct 21, 2026
“International flights: you can travel with the infant on your lap by paying the infant fare (10% of the adult fare plus taxes), except for flights from Mexico where it is free of charge.”
Official wording, latamairlines.com, checked Oct 21, 2026
“If for comfort's sake you prefer your infant to travel in its own seat, you will have to buy the full ticket and comply with the safety requirements, whether traveling domestically or internationally.”
Official wording, latamairlines.com, checked Oct 21, 2026
“Each adult can travel with up to two infants, one of them being carried on their lap, and the other infant in an individual seat next to them, with the latter paying for the full ticket.”
Official wording, latamairlines.com, checked Oct 21, 2026
“If your infant turns 2 years old during the trip, they will have to travel in their own seat.”
Official wording, latamairlines.com, checked Oct 21, 2026
Newborns and proof of age
If you plan to travel with a newborn under 8 days old, LATAM Airlines requires a medical certificate to permit the baby to fly. The information we reviewed does not specify a general proof of age requirement for all infants, but it is always practical to carry a copy of your child’s birth certificate when flying.
“in case you have an infant before turning 8 days old,you will need a medical certificate, issued at least 10 days before the trip.”
Official wording, latamairlines.com, checked Oct 21, 2026
Strollers and car seats
A lap infant is allowed one item like a collapsible stroller or a certified car seat in the cabin. If there is no space, it will be sent to the aircraft hold at no additional cost. If you buy a seat for your infant, they must use a certified Child Restraint System (CRS). Booster seats are not permitted. A certified CARES safety harness may be used for infants and children weighing between 10 and 20 kilos in their own seat, but only in Economy and Premium Economy cabins.
“Infants before turning 2 years old traveling at the infant fare may carry only one item in the aircraft cabin, such as: a collapsible stroller… If there is no space available in the cabin, we will send it to the hold at no additional cost.”
Official wording, latamairlines.com, checked Oct 21, 2026
“Infants before turning 2 years old traveling at the infant fare may carry only one item in the aircraft cabin, such as: …a certified car seat. If there is no space available in the cabin, we will send it to the hold at no additional cost.”
Official wording, latamairlines.com, checked Oct 21, 2026
“Infants traveling in their own seat must travel in a seat certified for use in the aircraft (Child Restraint System, CRS), independent of the flight cabin. … The use of booster seats is not permitted because they do not have a backrest or restraint harness.”
Official wording, latamairlines.com, checked Oct 21, 2026
“infants and children between 10 and 20 kilos traveling in their own seat may wear a certified safety harness (Child Aviation Restraint System, CARES) for Economy and Premium Economy Cabin only.”
Official wording, latamairlines.com, checked Oct 21, 2026
Baby baggage
An infant traveling on a lap infant fare is permitted to bring one item into the cabin, such as a collapsible stroller, a portable bassinet, or a certified car seat. According to the airline’s rules, the infant fare does not include any checked baggage, which is also referred to as hold baggage. You should plan accordingly for any additional items you need to check for your baby.
“Infants before turning 2 years old traveling at the infant fare may carry only one item in the aircraft cabin, such as: a collapsible stroller, a portable bassinet, or a certified car seat. … The infant fare does not include hold baggage”
Official wording, latamairlines.com, checked Oct 21, 2026
Kids flying alone
Children under 8 years old cannot fly alone on LATAM and must travel with someone over 18. For children from 8 until they turn 12, the unaccompanied minor service is mandatory. For travelers aged 12 to 18, the service is optional. The Unaccompanied Minor Service is only available on flights operated by LATAM and cannot be booked on codeshare flights or connections with other airlines. Adolescents from 12 to 18 traveling alone must present a notarized authorization from one parent for domestic flights and from both parents for international flights.
“Infants and children before turning 8 years old must always travel accompanied by a person over 18 years old.”
Official wording, latamairlines.com, checked Oct 21, 2026
“Children 8 years old until the day before turning 12 years old… can also travel alone, but it is mandatory to request our unaccompanied minor service”
Official wording, latamairlines.com, checked Oct 21, 2026
“Adolescents from 12 up to under 18 years old may travel alone… If preferred, the Unaccompanied Minor Service can be contracted, which requires notarized authorization.”
Official wording, latamairlines.com, checked Oct 21, 2026
“The Unaccompanied Minor (UM) Service is available only for LATAM operated flights, and it cannot be booked on flights with code share and/or in connection with other airlines.”
Official wording, latamairlines.com, checked Oct 21, 2026
“Adolescents from 12 up to under 18 years old may travel alone as long as they present a notarized authorization from one parent or legal guardian at the check-in counter for domestic flights, and from both parents for international flights.”
Official wording, latamairlines.com, checked Oct 21, 2026
“Adolescents from 12 up to under 18 years old may travel alone as long as they present a notarized authorization… From 16 years old, minors can travel on domestic flights within Brazil without needing to present any authorization.”
Official wording, latamairlines.com, checked Oct 21, 2026
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