"Leaving from Zurich to most European destinations by plane I usually don't even need an id." Not true. Having an ID on you is needed while travelling Schengen

"Leaving from Zurich to most European destinations by plane I usually don't even need an id." Not true. Having an ID on you is needed while travelling Schengen, and you can get a fine if you don't have one. One chick from our bus even managed to get one when we were stopped by Polizei for a random check a few km inside Germany.