Are there nonstop flights from Porto (OPO) to Gdańsk (GDN)?

No. The fastest connection is via Düsseldorf, about 3h 55m of total flying time.

What is the fastest connection from Porto (OPO) to Gdańsk (GDN)?

via Düsseldorf ≈ 3h 55m, via Frankfurt am Main ≈ 3h 56m, via Beauvais ≈ 3h 56m (estimated flying time, excluding layovers).

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

Francisco de Sá Carneiro Airport (OPO) to Gdańsk Lech Wałęsa Airport (GDN)・2,473 km

No nonstop flights. The fastest connection is via Düsseldorf (DUS), about 3h 55m of flying time (layover not included).

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

None.

53 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.