Works the other way around too. Roundtrips to get away from the NYC cold
JFK-MIA-JFK same day for $60 MR or $66 to spend the day in the beach (did this last week)
JFK-CVG-MIA-JFK leaving monday morning, coming back tuesday $70-$80
https://www.google.com/flights/#sear...-CLTJFK0AA1898