Are there nonstop flights from Zagreb (ZAG) to Thessaloniki (SKG)?

No. The fastest connection is via Dubrovnik, about 2h of total flying time.

What is the fastest connection from Zagreb (ZAG) to Thessaloniki (SKG)?

via Dubrovnik ≈ 2h, via Belgrade ≈ 2h 1m, via Corfu ≈ 2h 13m (estimated flying time, excluding layovers).

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

Zagreb Franjo Tuđman International Airport (ZAG) to Thessaloniki Macedonia International Airport (SKG)・806 km

No nonstop flights. The fastest connection is via Dubrovnik (DBV), about 2h of flying time (layover not included).

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

None.

18 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.