Traveling with a baby can feel overwhelming—but if you’re flying with American Airlines, the experience can be much more manageable. The airline offers family-friendly policies that make it easy to travel with infants, including the ability to add a child as a lap infant during booking.

To ensure a smooth trip, it's essential to understand the American Airlines infant policy. In this guide, you’ll learn everything you need to know about traveling with a baby, how to use the “American Airlines Add Infant” option, and what documents you’ll need—even in situations where you may need to change last name on American Airlines ticket due to errors or legal updates.

👶 American Airlines Infant Policy: Key Highlights

Before adding an infant to your ticket, review these important guidelines:

• Babies under 23 months can travel as lap infants.

• One lap infant is allowed per adult passenger.

• You must provide age verification (e.g., birth certificate).

• Traveling with more than one infant under 2? You’ll need to purchase a seat for each additional baby.

• You may use a car seat for an infant only if you've purchased a separate seat. The car seat must be FAA-approved.

• Babies as young as 2 days old can travel, but a doctor’s note confirming fitness to fly is required.

• Domestic flights are free for lap infants.

• For international travel, lap infants are charged 10% of the adult fare, plus taxes and fees.

• Once a child turns 2 years old, they must occupy a paid seat.

• If your child turns 2 during a round trip, they’ll need a paid seat on the return flight.

• You're allowed to bring one stroller and one car seat per child.

• One diaper bag is permitted per lap infant.

📄 Documents Required to Add an Infant on American Airlines

If you're using the “Add Infant” option, you’ll need to provide the following:

• Passport: Required for all international travel. Passport cards are not accepted.

• Proof of Age: A birth certificate is needed for domestic and international flights.

• Proof of Relationship: If flying internationally with a lap infant, you must show evidence of relationship.

• Letter of Consent: Needed when the child is flying without parents or legal guardians.

• Custody or Court Order: Parents with sole custody must show legal documentation when traveling alone with the child.

🛂 Note: All infants and children must have the appropriate travel documents for every country on the itinerary. For more information, contact American Airlines at 1 (800) 433-7300, or if the line is busy, reach a travel expert directly at +1-800-633-0441.

If you need to change last name on American Airlines ticket for either yourself or your child due to a name mismatch, ensure you provide legal proof like a birth certificate, court order, or government-issued ID when contacting support.

🌐 How to Add an Infant Online: Step-by-Step

You can add an infant during booking on the official American Airlines website:

1. Go to aa.com.

2. Enter your flight details: origin, destination, dates.

3. Click Search to view flights.

4. Choose your flight and proceed to Passenger Details.

5. Look for the “Add Infant in Lap” option.

6. Enter the adult and infant’s information.

7. Upload required documents.

8. Pay any applicable fees.

9. Check your email for the confirmation.

📝 Important: If your infant is under 7 days old, call AA Reservations to complete the booking.

📞 Need Assistance?

Whether you’re adding an infant to your booking or need help correcting details like name errors, help is just a call away.

You can contact:

• American Airlines directly at 1 (800) 433-7300

• Or speak with a travel expert at +1-800-633-0441 for quick and personalized support