Prices are all basically the same. Of course I’d like #3, but an hour in Paris might be too iffy.
Rome (8:00 am). ——Paris (2 hr. 50 min) —— Home (4:35 pm)
Rome (10:40 am) —- JFK (4 hrs. 14 min) ——- Home (8:56 pm)
Rome (10:00am) —-Paris (1 hr) —— Home (4:35 pm)