Not sure where you're located, but this is generally quite easy to find and quite cheap:
http://www.thomann.de/gb/gator_bass_drum_pedal_bag_gp66.htm
The inside is nice and plushy and will protect from scratches, but since it is a soft case I would still be super careful with it. I bought it to take on a flight (brought it in the cabin) and am very happy with it. That being said, if you're going to be gigging regularly I would probably invest in a hard case 