COPA, United, and Avianca have round-trip flights from New York (JFK) to Medellin (MDE) for $203-$227, NONSTOP or with connections. Flights February, March, April, May, June, August, September, October, and November. Weekends available. Origin/Destination reversible.
Note: Some small OTAs on Skyscanner have this for about $203. If you plan on booking there, beware of any site that charges a fee to cancel a ticket within the 24-hour “free” period. Use unknown booking sites at your own risk.
Click for more details and booking links Nonstop Flights: New York to/from Medellin, Colombia $203-$227 r/t [Feb-Jun, Aug-Sep, Nov] – COPA / United / Avianca