Flight time from Belize City to Merlo. Get exact flying time between Philip S.W.Goldson Int Airport, Belize City, Belize and Valle Del Conlara Airport, Merlo, Argentina. Direct flight time, one stop & 1+ stop flight time between Belize City & Merlo. Belize City Airport to Merlo Airport (BZE to RLO) flight duration and operating airlines.