I do not know of a return pump around that price range with auto shut off for water level. But I do know of these things. I have a few and they work great.
Prevent overflows or equipment from running dry! Using a tiny optical sensor, AutoAqua's Smart Level Sensor will cut power to the outlet when the sensor detects a change in water level. The plug & play design requires no difficult programming and the magnetic attachment makes placement and...
I just got this new Fluval pump 2 days ago but right away, it made a big difference! The noise level is so low that it's silent when the cabinet doors are closed. So far, I am very happy with it.