Are there nonstop flights from Bari (BRI) to Zagreb (ZAG)?

No. The fastest connection is via Split, about 1h 36m of total flying time.

What is the fastest connection from Bari (BRI) to Zagreb (ZAG)?

via Split ≈ 1h 36m, via Zadar ≈ 1h 38m, via Mostar ≈ 1h 40m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Bari Karol Wojtyła International Airport (BRI) to Zagreb Franjo Tuđman International Airport (ZAG)・515 km

No nonstop flights. The fastest connection is via Split (SPU), about 1h 36m of flying time (layover not included).

With milesANA 15,000 miles+ (via VIE)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

13 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.