Originally Posted by
Less Hair
Fuel flow will be higher but why not if it was pressurisation only? Especially if you've got enough fuel and the maintenance needed might be available at the destination. During the Cold War all (well most of them) Berlin flights went at around 10k feet through the Berlin air corridors through east Germany due to allied agreements from piston engine days.
I guess I'm imagining that if you have a loss of cabin pressure, you get on the ground as soon as possible to try and work out what is wrong with the aircraft. ¯\_(ツ)_/¯