Are there nonstop flights from Porto (OPO) to Dole (DLE)?

Yes. Ryanair fly this route. Flight time is about 2h 1m.

Porto → Dole

Francisco de Sá Carneiro Airport (OPO) to Dole Tavaux Airport (DLE)・1,294 km

Nonstop flights available (1 airline). Flight time about 2h 1m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.