As a student or youth traveller you always get 15% discount on SJ trains. You are considered as a youth until 25 years of age. 

You can also buy Last minute ticket (Sista minuten) that are released 24 hours before the departure. Read more about Last minute ticket and student discount here.

These student cards are valid:

• Mecenat card (or SMS verification)
• Studentkortet
• ISIC card