Originally Posted by
lhrsfo
To be within the fare rules, you would have to depart EWR on a Saturday evening to return same day. It clearly uses the same aircraft back. You won't have any bags, obviously, and you would be near the front of the plane if you are already a Gold or above. But you would be at the vagaries of a Turkish customs line and a Turkish security line on the re-entry to airside.
And not have the opportunity to visit the Turkish lounge, one of the best!