United Airlines: Add Child by Phone

You can reach a live representative at United Airlines by calling 1-833-341-5261 for assistance with a variety of services, including seat selection, booking a flight for children, changing your flight date, canceling a reservation, requesting a name correction, adding a child to your booking, and resolving baggage issues. United Airlines’s customer service team offers several convenient options to help you connect quickly with a representative who can provide the support you need for your travel plans.

If you need to add a child to your United Airlines flight, follow these steps:

Step 1: Gather the Necessary Information

Before calling United Airlines, make sure you have the following details ready:

Booking reference number (confirmation code) for the adult passenger's booking
Child’s full name (as it appears on the passport or birth certificate)
Child’s date of birth
Travel dates and destination
Preferred seat arrangement (if applicable)
Step 2: Call United Airlines Customer Service

From Canada & the U.S.: 1-833-341-5261
International: Visit United Airlines’s website to find the contact number for your location.
Step 3: Speak to a Customer Service Agent

Navigate the automated system to reach the "Add a Passenger" or "Modify Booking" option.
Request to speak with a representative if needed.
Step 4: Add the Child to the Flight

Provide the agent with the child’s details and booking reference.
Confirm the available options for seating arrangements, including whether a separate seat for the child is required (children under 2 may travel on a parent’s lap, but a seat can be purchased for them).
Verify any additional fees or age restrictions for the child.
Step 5: Confirm the Addition

Ensure the child’s details are correctly added to the booking.
Ask the agent for a confirmation email that includes the updated flight details for both the adult and child.
Step 6: Payment (if applicable)

If any additional charges apply (for seats, infant fee, etc.), confirm payment arrangements.
For the most accurate and up-to-date information, it's advisable to call United Airlines's official number or contact their customer service directly at 1-833-341-5261 for international customer support.