Are there nonstop flights from Porto (OPO) to Rotterdam (RTM)?

No. The fastest connection is via London, about 2h 56m of total flying time.

What is the fastest connection from Porto (OPO) to Rotterdam (RTM)?

via London ≈ 2h 56m, via Geneva ≈ 3h 18m, via Lisbon ≈ 3h 27m (estimated flying time, excluding layovers).

Francisco de Sá Carneiro Airport (OPO) to Rotterdam The Hague Airport (RTM)・1,552 km

No nonstop flights. The fastest connection is via London (STN), about 2h 56m of flying time (layover not included).

None.

18 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.