Important Update: We no longer sell Interrail Passes.

As of Sunday 1 February 2026, myinterrail.co.uk no longer sells Interrail Passes. 

Learn more and find alternative retailer information by visiting our FAQ page.

Need help? Our dedicated customer support team is ready to assist you.

We would like to thank you for making us the starting point for countless European adventures since 2013 and hope you continue your journeys with Interrail.

Please note: This change does not affect Great Britain’s participation in the Interrail and Eurail programme. Interrail and Eurail Passes will continue to be accepted across the National Rail network.

Belgium Trains

Reservations & Supplements

Keeping in line with the spirit of Interrail, train travel is fun in Belgium, you can just hop on and off most of the local and regional trains.

But to give you peace of mind, we recommend that you make sure you understand everything there is to know about seat reservations and supplements on trains in Belgium before you travel. 

Reservations:

Not all of Belgium's trains require reservations but some do. We highly recommend that you check reservation requirments for trains in Belgium in this section and make any reservations before you travel.

Reservations are required for:

We would recommend reservations, if you are intending to use any of the following trains in Belgium:

Airport trains: Only domestic trains to and from Brussels airport will require you to purchase a supplement. You can buy the supplement at the station or once you have boarded the train. The supplement of around €3.00 can be bought in the station or train.

International trains: Reservations will be required for travel on international trains from Belgium. Please contact our reservations team to confirm this.

High-speed trains: Reservations are required on Thalys high-speed trains which provide direct rail connections between Brussels to Paris.

Reservations are not required for:

How to make reservations for trains in Belgium:

Details of how to make reservations on trains in Belgium will be included with your Interrail Pass.

Supplements:

Please click here for details of Interrail Supplements.