Halt your vital search elsewhere for that great illusionist, God. Turns out he was already on board all along.
He is in the cargo hold, hiding among the baggage.
In order to find him you only have to remove the baggage. Of course he could be in one of the pieces, so each item must be opened, pulled apart, the contents strewn around.
Once the baggage is removed, the stowaway is not there. There is only empty space - nothing.
It is in the very act of removing the baggage that the truth is revealed...