What age can a child fly alone? The unaccompanied minor rules

The Unaccompanied Minor (UM) service lets a child aged roughly 5 to 17 fly alone, cared for by the airline from check-in through to handover to the designated person on arrival. Expect $50 to $150 per one-way trip. Here's the full procedure, the documents you need, and the pitfalls to avoid for diaspora families who regularly send children between Europe, the US and Africa.

Who the unaccompanied minor service applies to

• Roughly 5 to 11-12 years old (the exact cutoff varies by airline): the UM service is mandatory for any child flying without an adult.
• 12 to 17 years old: the service usually becomes optional. Parents can still request it for extra peace of mind, or let the teenager fly unescorted depending on the airline's policy.
• Under 5: most airlines don't allow a child this young to fly alone, regardless of the service requested.

Major carriers on transatlantic and Europe-Africa routes all offer this service, with conditions (age, price, availability on direct or connecting flights) that differ from one airline to another and should be confirmed at the time of booking.

How to book the unaccompanied minor service

1. Book the ticket specifying UM status at the time of purchase, by phone or through the airline's dedicated service. This generally can't be added easily after the fact.
2. Provide the child's documents: ID or passport, and possibly a minor travel consent form depending on nationality and destination.
3. Give complete contact details for the adult dropping the child off and the adult collecting them: name, reachable phone number, ID.
4. Pay the service fee, separate from the ticket price, typically $50 to $150 depending on airline and distance.
5. Arrive early on travel day: UM check-in takes longer than standard check-in, plan extra time beyond the usual recommendation.

What happens on travel day

An airline agent takes charge of the child from check-in, escorts them through security, boards them ahead of other passengers, and hands them over to the crew for the flight. On arrival, the child is released only to the person named at booking, upon presentation of ID. If that person isn't present or can't be identified, the airline keeps the child under its responsibility and contacts the emergency numbers provided. This deserves particular attention for diaspora families: in case of flight delay, the person picking up the child at the airport needs to be notified and stay reachable, including for a delay of several hours that pushes arrival into the middle of the night.

The case of connecting flights

A child traveling UM can fly with a connection, but the logistics get more complex. During the layover, the child is handed off by ground staff from one flight to the next. Several airlines limit this option to connections they operate themselves, without an airline change, to guarantee continuity of responsibility. On routes where a direct flight isn't always available, this point should be checked before booking: a child on UM with a ticket spanning two different airlines may be refused the service, or require special arrangements coordinated in advance with both carriers.

If the flight is delayed or cancelled

The UM service doesn't exempt the airline from its obligations in case of delay or cancellation: the child remains a passenger in full standing, with the same compensation rights as any traveler under EC 261/2004, along with a reinforced duty of care given their age.

How Robin des Airs can help

If your child's flight traveling on the UM service was delayed, cancelled, or if the airline's duty of care wasn't properly handled, we check your eligibility for compensation for free. You pay nothing upfront:

• No upfront cost: €0 out of pocket.
• Amicable phase: you keep 75% of amounts recovered.
• If court action is needed, you keep 60%, with legal, bailiff and procedural costs advanced and covered by Robin des Airs.
• Once funds are collected from the airline, your share is paid out within 5 business days.

Our fee only applies to the EC 261 compensation recovered, never to the UM service fee paid to the airline. Eligibility depends on the airline, departure airport and exact route. We check it for free, with no guarantee of outcome or timeline.

Related articles

• Flight compensation for families
• EC 261/2004 regulation summary