Are there nonstop flights from Lille (LIL) to Dubrovnik (DBV)?

Yes. Volotea fly this route. Flight time is about 2h 13m.

What is the fastest connection from Lille (LIL) to Dubrovnik (DBV)?

via Split ≈ 2h 43m, via Basel / Mulhouse ≈ 2h 44m, via Geneva ≈ 2h 51m (estimated flying time, excluding layovers).

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

Lille Airport (LIL) to Dubrovnik Ruđer Bošković Airport (DBV)・1,457 km

Nonstop flights available (1 airline). Flight time about 2h 13m. Nonstop return flights also operate.

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

12 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.