Are there nonstop flights from Buenos Aires (EZE) to La Paz / El Alto (LPB)?

No. The fastest connection is via Cochabamba, about 3h 44m of total flying time.

What is the fastest connection from Buenos Aires (EZE) to La Paz / El Alto (LPB)?

via Cochabamba ≈ 3h 44m, via Santa Cruz ≈ 3h 58m, via Santiago ≈ 4h 34m (estimated flying time, excluding layovers).

Ezeiza International Airport - Ministro Pistarini (EZE) to El Alto International Airport (LPB)・2,251 km

No nonstop flights. The fastest connection is via Cochabamba (CBB), about 3h 44m of flying time (layover not included).

None.

4 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.