Are there nonstop flights from Dalaman (DLM) to Porto (OPO)?

No. The fastest connection is via Zurich, about 5h 12m of total flying time.

What is the fastest connection from Dalaman (DLM) to Porto (OPO)?

via Zurich ≈ 5h 12m, via Istanbul ≈ 5h 15m, via Munich ≈ 5h 20m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Dalaman International Airport (DLM) to Francisco de Sá Carneiro Airport (OPO)・3,253 km

No nonstop flights. The fastest connection is via Zurich (ZRH), about 5h 12m of flying time (layover not included).

With milesANA 15,000 miles+ (via IST)JAL 23,000 miles+ (via LGW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

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.