• How do I register my ESNcard?

    • Create an account at and activate your card by adding its number to the form. If you had another ESNcard before, you can simply add the new ESNcard number to your user account.

    • Your ESNcard number is written on your ESNcard under the “ESN section” blank. It consists of 7 digits and 4 capital letters (the last letter can be sometimes replaced by another digit)

    • You are ready to go! You can check all discounts on As long as your ESNcard has not expired, you can use it for all ESNcard discounts in Europe. You can also check all local, national and international partners at



  • How do I register in Ryanair to get discounts?

    • Register in As this data will be used to validate your ESNcard during your flight booking process, as well as your ESNcard number.

    • Go to myRyanair and sign-up or log-in if you already have an account. Add your details in the “Erasmus” tab of your myRyanair dashboard.

    • Make sure that all details match your ESNcard user profile data. Wait until your ESNcard and other details are validated. This is not a live validation, so it might take a few days (try refreshing the page after you added the details).

    • Once it is validated, use the booking widget at the bottom of the Erasmus section of your myRyanair dashboard. Only bookings made using this widget will be considered for the discount.

    • You are ready to go! Book your flight and start your journey! Keep in mind that you must book your tickets at least 28 days in advance.


Public Transports

  • How do I sign up for the public transports’ card student discount?

    • You first need a document from your university, usually an enrolment statement, proving that you are currently studying in Lisbon.

    • Then, you need to go to a selling point for the Lisboa VIVA card, take the document and ask for the monthly pass with the Sub23 discount. Note that, in order to access the discount, you need to be 23 years old or younger, or up to 24 years old for Medicine and Architecture students.

  • How much does the monthly pass cost?

    • The regular pass, Navegante Municipal, costs 40€ per month. However, with the Sub23 discount, it goes down to 30€ per month.

    • You can also use the Zapping method, which consists in using the Lisboa VIVA card as a prepaid card, in which each ride is discounted from your card balance.