Originally Posted by
KLouis
Your question is simply answered, of course you can move from one to the other zone in order to get to your flight, but not for other reasons.
Well, I wouldn't be so straight forward here.. Did that myself in Frankfurt - only passed Schengen border to visit a lounge - at the same time got purely Schengen-FRA-Schengen itinerary. No questions whatsoever asked at border control after explanation I only on my way to the lounge and I'm not even EU citizen...