Are there nonstop flights from Catania (CTA) to Rotterdam (RTM)?

Yes. Transavia fly this route. Flight time is about 2h 38m.

What is the fastest connection from Catania (CTA) to Rotterdam (RTM)?

via Rome ≈ 3h 8m, via Perugia ≈ 3h 9m, via Geneva ≈ 3h 12m (estimated flying time, excluding layovers).

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

Catania-Fontanarossa Airport (CTA) to Rotterdam The Hague Airport (RTM)・1,813 km

Nonstop flights available (1 airline). Flight time about 2h 38m. Nonstop return flights also operate.

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

14 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.