Are there nonstop flights from Billund (BLL) to Kefallinia Island (EFL)?

No. The fastest connection is via Budapest, about 3h 35m of total flying time.

What is the fastest connection from Billund (BLL) to Kefallinia Island (EFL)?

via Budapest ≈ 3h 35m, via Zakynthos ≈ 3h 38m, via Bolzano ≈ 3h 38m (estimated flying time, excluding layovers).

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

Billund Airport (BLL) to Kefalonia International Airport "Anna Pollatou" (EFL)・2,134 km

No nonstop flights. The fastest connection is via Budapest (BUD), about 3h 35m of flying time (layover not included).

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

None.

15 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.