Are there nonstop flights from Dublin (DUB) to Luxembourg (LUX)?

Yes. Ryanair, Luxair fly this route. Flight time is about 1h 38m.

What is the fastest connection from Dublin (DUB) to Luxembourg (LUX)?

via London ≈ 2h 8m, via London ≈ 2h 8m, via London ≈ 2h 8m (estimated flying time, excluding layovers).

from 12,000 JAL miles, from 15,000 ANA miles (economy, one way, based on the published award charts).

Dublin Airport (DUB) to Luxembourg-Findel International Airport (LUX)・959 km

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

With milesJAL 12,000 miles+ (via LHR)ANA 15,000 miles+ (via FRA)Economy, one way, estimate. Tap a connection for miles by cabin.

28 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.