Are there nonstop flights from Dublin (DUB) to Zakynthos (ZTH)?

Yes. Ryanair fly this route. Flight time is about 3h 41m.

What is the fastest connection from Dublin (DUB) to Zakynthos (ZTH)?

via Verona ≈ 4h 11m, via London ≈ 4h 11m, via Bari ≈ 4h 11m (estimated flying time, excluding layovers).

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

Dublin Airport (DUB) to Zakynthos International Airport "Dionysios Solomos" (ZTH)・2,710 km

Nonstop flights available (1 airline). Flight time about 3h 41m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via LHR)ANA 15,000 miles+ (via GVA)Economy, one way, estimate. Tap a connection for miles by cabin.

59 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.