Travellers holding the International Student Identity Card can get 15% off on regional and national routes and 12% off on international routes.
Just register on the official ISIC page and get your promotional code. Enter it into the “Promotional code/Pass” space of the search feature when buying your ticket. Valid for web, App and point of sale sales.
When boarding, you must carry the ISIC card that verifies that you are entitled to the discount. Does not apply on international routes. Not available on international routes.