Children aged three or less travel for free if they are with adults and do not occupy a seat.
If they are aged between four and twelve inclusive, they get a 50% discount off the normal fare (half-price ticket), with the right to their own seat.
The proof that you are entitled to the free journey or the discount is made upon presenting an official identification document or a certified copy of it.
On the international service Celta, the discount is 40% for children.
Alfa Pendular and Intercidades prices rounded up to the next 50 cents.
See at CP Kids, suggestions for outings and activities with your children.
CP Services: Alfa Pendular | Intercidades | Regional and InterRegional | Lisbon urban trains | Oporto urban trains | Coimbra urban trains | Celta (Oporto/Vigo)