Crete has never had a direct link to South Florida, so anyone booking business class from West Palm Beach to Heraklion is really booking a routing strategy first and a cabin second. The honest answer, after years of testing this corridor, is that there's no nonstop option: every itinerary funnels through a major European hub, with Lufthansa via Frankfurt or Munich, Air France via Paris-CDG, and Aegean via Athens forming the three viable backbones. Total journey time runs close to 12 hours in the air, but real door-to-door timing depends heavily on how you stitch the connection, and that's where the route rewards research over reflex-booking.
Of the three, Lufthansa is the one to watch most closely right now, since its rollout of the Allegris business class suites (with sliding doors on select aircraft) has been gradually expanding across the long-haul fleet, though you'll want to verify aircraft type before booking, as older configurations still fly this corridor too. Air France's redesigned business seat out of CDG remains a dependable, if less flashy, choice, with efficient connections to Athens or occasionally Heraklion seasonally. Aegean, as the Star Alliance regional partner, becomes your final short hop into HER, and their A320-family business cabin, while modest, is perfectly comfortable for the sub-90-minute leg. My insider tip: fly the transatlantic leg overnight and build in at least a two-hour buffer in Frankfurt or Paris, since Heraklion's seasonal flight frequency drops sharply outside summer, and misconnects in shoulder season can mean an overnight stranded rather than a quick rebooking.
Shoulder months — April, May, September, and October — consistently offer the best combination of fare value and pleasant Cretan weather, avoiding the July-August crush when Aegean's HER capacity is stretched thin with European leisure traffic. Because pricing on this three-airline, single-hub-dependent route can swing significantly with fuel surcharges and seasonal demand, setting up automated fare alerts is the smartest move you can make before committing to a specific connection.