Is there a minimum age for accompanying persons travelling with children on the flexible fare Europe?

Yes. The following minimum ages apply to accompanying persons:

• Belgium: 12 years
• France: 12 years
• Italy: 18 years
• Netherlands: 18 years
• Poland: 18 years
• Romania: 18 years
• Slovakia: 15 years
• Czechia: 10 years
• Hungary: 18 years