@Maersk.146 Thank you! Yes, there are several tickets valid for Bilbao's underground system depending on your needs. The price of all of them depends on how many zones do you cross. Some of them are also valid for other means of transport. The main fares are: - One way ticket: from 1,60€ to 1,90€. - Barik (rechargeable contactless card 3€): from 0,90€ to 1,18€. - Bidai 70/90/Oro (70/90/unlimited trip ticket): from 32€ to 93€. - Anual26 (unlimited annual ticket only valid for young people under 26 yr.): from 229€ to 300€.