With the Flexi PASS you purchase your flexible multi-attraction sightseeing pass for Vienna. Choose from 2 to 8 attractions from up to 70 top Vienna attractions and sights. Enjoy free entrance to iconic sights such as the Giant Ferris Wheel, the Spanish Riding School, guided tour in the VIenna State Opera House, the Belvedere Palace, Schönbrunn Palace Grand Tour & Zoo, the Danube Tower and many more. Explore the city at your own speed – your Flexi PASS is valid for 60 days once activated at a sight or on the hop on hop off bus. Please note that your pass can be used only once at each attraction or sight. Should you need any further information, you can read more about it online. Please note, that our service center is currently open from Monday to Sunday from 9:00 a.m. to 6:00 p.m.