Originally Posted by
JohnWM
When you check-in online Sunday morning, 24 hours before flight time, you might be offered a Same Day Change for $50. There might be available seats on a Sunday afternoon flight or a Sunday evening flight.
Accept the offer, pay the extra $50, and then fly up to EWR earlier than originally scheduled. It is less complicated than calling, explaining, etc.
I have flown home the night before, for the $50 fee. It works.
Except the OP will have needed to purchase FLL - PVG before finding out whether there is any SDC availability.
This isn't hidden city ticketing, because you're purchasing a legit FLL-PVG itinerary that just happens to give you an overnight in EWR. It might be throwaway, but plans do change, necessitating changing flight itineraries, and as long as you don't make a habit of it, I can't see this being a problem.