infant does not occupy a seat, and must be under the age of 2 while traveling. each purchase is limited to 9 tickets (not including infant tickets), and must contain at least 1 adult(over the age of 16). each adult may only bring 1 infant and 1 child. for passenger traveling with infant, kindly contact your local reservation office for bassinet seat selection, subjected to availability. some airlines do not offer infant fares (e.g. alaska airlines, etc.). you may purchase adult ticket first via this website, and then seek infant ticket through other channels. since economy discount fare is not applicable for infant (infant will hold the same fare as adult), total fare of economy discount may be higher than economy basic if you travel with infant. other fare family products may also share the same situation. please be advised to check again your total fare after flight selection.