If you download the app Ruter, you can easily buy tickets for busses and the tube. #neds22
- The single-fare ticket (you need only 1 zone from oslo city to Sognsvann) is 39,- NOK
- If you know you will be travelling several times with a bus or tube within 24 hours, a 24-hour-ticket is suitable – or a 7 day ticket may also be an option.