The cheapest sightseeing tour around Prague - tram number 18
Just hop on the tram number 18 and it will take you through the whole Prague. For the price of one ticket CZK 20 you will have chance to enjoy breathtaking views of Prague, Prague Castle, National theather and many more sights in the old city.
Old Prague Hostel in historical center of Prague.
One of the best located hostels in Prague - cheap and clean