Zadar's compact seaside airport was never designed for transatlantic arrivals, which is precisely why the routing puzzle to get there in comfort is worth solving properly. There is no nonstop option: business class from Orlando to Zadar always routes through a European or Turkish hub, with total journey time running close to 11 hours in the air alone once you factor in the connection. Lufthansa via Frankfurt or Munich remains the most consistent choice, pairing a long-haul segment in Lufthansa's business class (increasingly the new Allegris cabin on select 787 and A350 rotations) with a short Croatia Airlines (OU) hop down to Zadar. Turkish Airlines, routing through Istanbul, is the sleeper pick here — their business class hard product on the 787 and A350 fleet, plus that famous onboard chef-curated catering, makes the long Orlando–Istanbul leg genuinely enjoyable rather than something to endure.
Having flown this corridor multiple times, my strong preference is to build in a deliberate overnight in Frankfurt, Munich, or Istanbul rather than a tight same-day connection to Zadar — OU's regional jets run limited frequencies, and misconnecting means waiting until the next day's flight regardless. Istanbul Airport's Turkish Airlines lounge is worth the layover on its own merits, with live cooking stations that make a multi-hour break feel like a destination in itself. One insider trick: book the OU segment as a separate ticket only if your main itinerary has generous connection buffers, since Croatia Airlines' Zadar service can thin out considerably outside peak summer, and irregular operations get expensive to fix on a split ticket.
Seasonality matters enormously on this route. April, May, September, and October consistently offer the best award and revenue fares, both because Adriatic demand cools after the July–August rush and because airlines add capacity into Croatia's shoulder season to capture golfers, sailors, and wine-region travelers before winter schedules cut frequencies again. Given how much these fares swing hub-to-hub, setting automated fare alerts for the Orlando–Zadar corridor is the smartest way to catch the moment premium pricing dips into shoulder-season territory.