Your child is travelling with you: Free4kids

  • free of charge, no ticket required
  • in 1st and 2nd class
  • up to a maximum of 4 children per passenger with a valid ticket

Your child is travelling alone

An identity card/passport (or legal document) providing proof of the child's age is always required when purchasing a ticket and when travelling. Free travel for children (Free4kids) cannot be used in place of the Group Fare.

Frequently asked questions

No, you don't need to buy a separate Brussels Airport Supplement for children under 12 years old:

  • Children under 12 years who accompany another traveller travel for free (Free4kids) do not need any ticket at all and do not have to pay the Brussels Airport Supplement. Accompanied children can pass through the gates at Brussels Airport-Zaventem station together with another passenger.
  • If your child is travelling alone with a Kids Ticket with Brussels Airport-Zaventem as departure or arrival station, the Brussels Airport Supplement is already included in the price of the Kids Ticket. You don't need to buy a supplement separately. Your child can open the gates at Brussels Airport-Zaventem station with the QR code that appears on his Kids Ticket.

*Discount only applied to the non-fixed part of the Standard fare. In 2nd class, the fixed amount is € 1.1839 per single journey. In 1st class, it is € 1.5391 (less than 37km) or € 1.6575 (37km - 51km) or € 1.8232 (52km and more) per single journey. The minimum price per single journey is € 2.50 in 2nd and € 3.30 in 1st class.

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