Are there nonstop flights from Zagreb (ZAG) to Buenos Aires (EZE)?

No. The fastest connection is via Rome, about 14h 45m of total flying time.

What is the fastest connection from Zagreb (ZAG) to Buenos Aires (EZE)?

via Rome ≈ 14h 45m, via Barcelona ≈ 14h 47m, via Madrid ≈ 14h 51m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Zagreb Franjo Tuđman International Airport (ZAG) to Ezeiza International Airport - Ministro Pistarini (EZE)・11,663 km

No nonstop flights. The fastest connection is via Rome (FCO), about 14h 45m of flying time (layover not included).

With milesANA 35,000 miles+ (via ZRH)JAL 45,000 miles+ (via MAD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.