Are there nonstop flights from Zakynthos (ZTH) to Katowice (KTW)?

Yes. Wizz Air, Enter Air fly this route. Flight time is about 2h 10m.

What is the fastest connection from Zakynthos (ZTH) to Katowice (KTW)?

via Budapest ≈ 2h 41m, via Corfu ≈ 2h 41m, via Bari ≈ 2h 50m (estimated flying time, excluding layovers).

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

Zakynthos International Airport "Dionysios Solomos" (ZTH) to Katowice Wojciech Korfanty International Airport (KTW)・1,422 km

Nonstop flights available (2 airlines). Flight time about 2h 10m. Nonstop return flights also operate.

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

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.