Originally Posted by
dimitriyremerov
Apparently this also works from (besides Norwegian airports):
Scandinavia: LPI and AAL.
UK: CWL, MME, HUY, LBA, NWI
Germany: DRS
Poland: GDN
Probably many more, I think by now you should've figured the logic where this fare works from.
Originally Posted by
Keter
Actually it works from almost everyone's hometown

If that is in Europe and is served by KL/ AF. This may kill the deal faster though.
I think the key is, the cities where KLM flies from Amsterdam but no Air France flight from Paris.