Are there nonstop flights from St. Petersburg (LED) to Kaluga (KLF)?

Yes. Red Wings Airlines, Azimuth fly this route. Flight time is about 1h 19m.

St. Petersburg → Kaluga

Pulkovo Airport (LED) to Grabtsevo Airport (KLF)・689 km

Nonstop flights available (2 airlines). Flight time about 1h 19m. Nonstop return flights also operate.

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