PIA - Private Internet Access. Been around a long time. Fast servers. They have a version for everything, including Linux. Pay for a year and you get a better deal. Lowest plan is good for up to 5 devices.
https://PrivateInternetAccess.com
My vote, too. Been using it for quite a while under Linux Mint flawlessly.
I’ve used PIA for over 5 years. Very satisfied. Has servers world wide. Very useful when traveling.
ping