For revenue reservations
Infants under the age of 2 traveling without a seat (lap infant) within the U.S., Puerto Rico and U.S. Virgin Islands do not require a ticket. Infants traveling internationally (including to Canada, Guam and Mexico) without a seat are required to have a purchased ticket and are subject to infant fares and taxes. When making your reservation, you should indicate that you are traveling with an infant, regardless of your destination.
Infants traveling without a seat between the U.S. and Canada, or from Mexico to the U.S. or Canada, only pay taxes on the ticket. Infants traveling without a seat to other international destinations, including Guam, are charged 10 percent of the adult fare at the time of infant ticketing (it’s usually less expensive to purchase the infant ticket in advance). Infants traveling on an adult's lap using front cabin awards or upgrades must pay 10 percent of the front cabin fare in applicable markets.
For award reservations
Infants under the age of 2 traveling without a seat (lap infant) within the U.S., Puerto Rico and U.S. Virgin Islands don’t require a ticket. Infants traveling internationally (including to Canada, Guam and Mexico) without a seat are required to have a purchased ticket and are subject to infant fares and taxes. When making your reservation, you should indicate that you’re traveling with an infant, regardless of your destination.
Infants traveling without a seat between the U.S. and Canada, or from Mexico to the U.S. or Canada, only pay taxes on the ticket. Infants traveling without a seat to other international destinations, including Guam, are required to have purchased an infant ticket and are subject to infant fares between $20 and $250 plus taxes depending on area of travel and cabin of service.
Once infants turn 2, they are required to have a purchased ticket and occupy a seat. Infants who reach their second birthday after their outbound flight must have a purchased ticket and occupy a seat for their return flight(s).