Are there any flights from Bangalore to Mysore? The answer is yes, again!
SpiceJet, the only operator flying in the Chennai-Bangalore-Mysore sector suspended the Mysore operations to Mysore sometimes back.
Beginning September 2015, Alliance (Air India) started to fly ATR type aircraft between Bangalore (BLR) and Mysore (MYQ).
AI9513 departs Bangalore at 6am and arrives Mysore at 6.40am. AI9514 departs Mysore at 7am and arrives Bangalore by 7.40am.
If you are flying into Bangalore, explore KSRTC's FlyBus service option also. This is a 4 hour direct bus service from Bangalore airport to Mysore city. Based on your schedule and travel plan, this could be a cheaper and faster option to reach Mysore city from Bangalore airport.