Are there nonstop flights from Dortmund (DTM) to Szymany (SZY)?

Yes. Wizz Air fly this route. Flight time is about 1h 35m.

Dortmund → Szymany

Dortmund Airport (DTM) to Olsztyn-Mazury Airport (SZY)・927 km

Nonstop flights available (1 airline). Flight time about 1h 35m. Nonstop return flights also operate.

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