Are there nonstop flights from Dalaman (DLM) to Reykjavík (KEF)?

No. The fastest connection is via Vienna, about 6h 21m of total flying time.

What is the fastest connection from Dalaman (DLM) to Reykjavík (KEF)?

via Vienna ≈ 6h 21m, via Berlin ≈ 6h 21m, via Copenhagen ≈ 6h 22m (estimated flying time, excluding layovers).

from 23,000 JAL miles (economy, one way, based on the published award charts).

Dalaman International Airport (DLM) to Keflavik International Airport (KEF)・4,541 km

No nonstop flights. The fastest connection is via Vienna (VIE), about 6h 21m of flying time (layover not included).

With milesJAL 23,000 miles+ (via LHR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

26 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.