University students holding the ESN card (Erasmus Student Network) get 15% off national routes and 12% off international routes. Simply ask for your card at any ESN office.

Once you have your card, begin the purchase process and enter the ESN20 code into the “Promotional codes/Passes” section of the search feature.

When boarding, you must show the driver the ESN card that verifies that you are entitled to the discount.


  • Only valid for Regular class services
  • The ESNcard costs €10.
  • For Erasmus students only.
  • Does not apply on international routes.

If you do not find what you are looking for, contact us (in Spanish)