United and Delta have round-trip flights from New York/Newark (EWR/JFK) to Dubrovnik or Split (DBV, SPU) for $490-$537, NONSTOP or with a connection. Flights July to August. 7-day minimum stay required. Nonstop flights to Split aren’t available.
Croatia is reopen to tourism. Travelers need proof of paid-in-advance accommodations, and either proof of vaccination or a negative COVID test for entry. Fill out form on Croatian web-portal before arriving.
Click for more details and booking links Cheap Flights: New York/Newark to Dubrovnik or Split, Croatia $490-$537 r/t [July-August] – United / Delta