Bus Puno to La Paz (or Viceversa)
Bus Puno / La Paz, vía Copacabana. $ 20 usd.
It takes 2 hours to Kasani the boarder, here you make the passport checking and continue to Copacabana for 15 minutes more, the bus stop for around 45 minutes also you change the bus the Peruvian for the Bolivian bus, continue to La Paz via the Tiquina strait, arrival to La Paz city at 4pm.
Note: Only to Copacabana the price is; 12 usd.