Do you have a flight to Brussels Airport-Zaventem? The train will take you there but you need to pay a supplement on your rail fare.

The new rail line to the airport developed by Northern Diabolo NV is financed by the Diabolo tax, a supplement on your rail ticket.

  • € 5.30 supplement per single journey 
  • in addition to this, you also need a valid train ticket (1st of 2nd class)
  • in Brussels Airport-Zaventem you will find gates, so make sure you keep your ticket on you!

Is the supplement included in my ticket?

Passengers with

  • a season ticket, Campus or half-time season ticket to Brussels Airport - Zaventem
  • NMBS-staff free cards and free tickets (working and retired)
  • a card for patriotic reasons
  • a free carer card
  • a Chamber and Senate card
  • a Transport Police card
  • concessions with code 906 en 907
  • a free card
  • a Railease card

No supplement in 2nd class for

  • children under 12 travelling with Free 4 Kids
  • journalists (code 043)
  • blind and visually impaired persons
  • local and federal uniformed police personnel

Passengers with

  • a Seniors Ticket
  • Go Unlimited 
  • a Pass (Go Pass 10, Rail Pass, Key Card, etc.)
  • Eurostar, TGV or Thalys ticket combined with a Belgian domestic rail ticket
  • concessions with code 901, 903, 904 or 909 (the price of the Diabolo supplement is printed on the ticket issued in exchange for the concession form)
  • or concessions 65B for Proximus and Bpost (in the form of a supplementary ticket "Diabolo Supplement")

need a Diabolo supplement ticket on top of their travel ticket.

Keep your train ticket handy to get through the gates at Brussels Airport-Zaventem!

Do you need to pay the Diabolo supplement?

Brussels Airport-Zaventem station is fitted with access gates.
Passengers travelling to or from Brussels Airport need to scan their travel ticket at the gates in order to get into the station.

How does it work?

Either by scanning the barcode printed on their train ticket (paper or electronic versions), or by scanning their MOBIB card. If you are travelling to Brussels Airport-Zaventem station, it is important to keep your ticket handy to be able to access or leave the station easily.

  1. Go to a gate with a green arrow.
  2. Hold your MOBIB card over the reader or scan the barcode on your ticket. 
    If you are travelling with a Mobile Ticket, please display the barcode on the screen of your smartphone or tablet.
    Make sure that your screen's contrast is set correctly to ensure optimal readability.
  3. The gate will open and you're free to enter or leave the station.

Pratical info

Accompanied children under the age of 12 travel free and can pass through the gates with the assistance of the staff present. The same applies to those carrying a national discount card for the blind and partially sighted.

Specific gates are provided for persons with reduced mobility. Standard gates are regulated to allow one person through, but there is sufficient space to pass through with small objects and luggage.

It is still possible to take a connecting service at Brussels Airport-Zaventem station, without having to pass through the gates.

Please note that a member of staff will be present at all times. Our staff are available to answer any questions or respond to any problem you may have. Assistance posts are also available fitted with a call button, allowing you to contact ticket counter staff.

3 reasons to buy your train ticket online

  • you buy your ticket wherever and whenever you want
  • you save time by skipping the queue at the ticket office
  • you always have your ticket on your smartphone

Where to buy?

on the website
on the app
at the ticket machine
at the ticket office