You could also consider Canada - conversion of an FAA to TC licence just requires a written exam and medical (no flight test):
https://tc.canada.ca/en/aviation/ref...-ac-no-401-001
You’ll get dispensation from some flight time and ground school requirements:
https://tc.canada.ca/en/corporate-se...ns-cars#421_31
Canadian helicopter instructors tend to be older with an associated significant amount of industry experience. Choose a West coast school and you’ll get some beautiful (and challenging) mountainous terrain that will be similar to the USA’s PNW.
Cost wise, if you’ve got USD to hand then you’ll get extra spending power north of the border!