Age Guide
Airline Age Requirements for Unaccompanied Minors
Every airline has different age rules for children flying alone. This guide compares minimum ages, mandatory vs. optional UM service ranges, and age-based flight restrictions across all major carriers.
Quick Answer
Most airlines accept unaccompanied minors from age 5. Air France starts at age 4. UM service is typically mandatory until age 14-15 and optional for older teens. Children ages 5-7 are usually restricted to nonstop flights only.
Age Groups at a Glance
4-7
Young Children
- • UM service mandatory
- • Usually nonstop flights only
- • Age 4: Air France only
- • Age 5+: most airlines
8-14
Older Children
- • UM service mandatory at most airlines
- • Connections usually allowed
- • International flights available
- • Some airlines make UM optional from 12
15-17
Teens
- • UM service optional at most airlines
- • Can fly as regular passenger
- • Some airlines: optional from 15
- • Parents can still request UM if desired
Complete Age Comparison Table
| Airline | Min Age | Mandatory UM | Optional UM | Nonstop Only |
|---|---|---|---|---|
| Air France | 4 | 4–14 | 15–17 | No restriction |
| Delta Air Lines | 5 | 5–14 | 15–17 | No restriction |
| American Airlines | 5 | 5–14 | 15–17 | No restriction |
| United Airlines | 5 | 5–14 | 15–17 | Ages 5–7 |
| Southwest Airlines | 5 | 5–11 | 12–11 | Ages 5–7 |
| Aeromexico | 5 | 5–14 | 15–17 | No restriction |
| Lufthansa | 5 | 5–11 | 12–17 | No restriction |
| KLM Royal Dutch Airlines | 5 | 5–14 | 15–17 | No restriction |
| Turkish Airlines | 7 | 7–12 | 13–18 | No restriction |
| Virgin Atlantic | 14 | 14–0 | 1–0 | Ages 14–7 |
Sorted by minimum age (youngest first). Data verified May 2026.
Frequently Asked Questions
What is the minimum age for a child to fly alone?▾
Most US airlines accept unaccompanied minors starting at age 5. Air France accepts children as young as 4. Some airlines restrict children ages 5-7 to nonstop flights only.
At what age is a child no longer considered an unaccompanied minor?▾
Most airlines consider children 15 and older as regular passengers who don't need UM service. Some airlines set this at 12 (Lufthansa, KLM) or 14 (Air France). Check each airline's specific policy.
Can a 4-year-old fly alone?▾
Air France is the only major airline that accepts unaccompanied minors as young as 4 years old. All other airlines in our comparison require a minimum age of 5.
Can a 16-year-old fly alone without UM service?▾
Yes. All major airlines allow passengers aged 16 and older to fly without UM service. Some airlines allow this from age 12 or 15, depending on the carrier.
Do age requirements differ for domestic vs international flights?▾
The minimum age is typically the same, but some airlines restrict younger children (ages 5-7) to nonstop flights only, which limits options for international routes that often require connections.
Why You Can Trust Camli — Age requirements verified from official airline policies. Last editorial review: May 2026.