Are there nonstop flights from Pyongyang (FNJ) to Wonsan (WOS)?

Yes. Air Koryo fly this route. Flight time is about 41m.

Pyongyang → Wonsan

Pyongyang Sunan International Airport (FNJ) to Wonsan Kalma Airport (WOS)・157 km

Nonstop flights available (1 airline). Flight time about 41m. Nonstop return flights also operate.

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