Southwest Florida's Gulf Coast crowd rarely thinks of Mykonos as a natural extension of their travel radar, yet the routing works better than most assume once you accept the reality: there is no nonstop option, and business class from Fort Myers to Mykonos always means threading through a major European or transatlantic hub before catching a short island hop. My preferred build is RSW to a connection in Frankfurt or Munich on Lufthansa, then onward via Athens, where the final leg to Mykonos operates on Aegean Airlines' A320 fleet with a solid regional business cabin — not glamorous, but comfortable enough after a long-haul flight. British Airways routes through London Heathrow instead, pairing well with their Club Suite product on the transatlantic segment, a fully enclosed suite with direct aisle access that makes the RSW–LHR overnight genuinely restorative. Whichever carrier you choose, the total journey runs close to 12 hours of actual flying time, split across two or three segments.
Having flown this corridor repeatedly, I've learned that the Athens layover is where trip quality is won or lost. If your itinerary gives you more than two hours in ATH, seek out the Aegean-operated lounge in the Schengen area rather than rushing straight to the gate — it's far less crowded than what you'll find at Heathrow or Frankfurt, and it lets you decompress before the short, often turbulence-prone hop to JMK, where island winds can make for a bumpy final descent regardless of season. Lufthansa's Allegris cabin, where deployed on select 787 and A350 routes, is worth requesting specifically when booking the Frankfurt or Munich transatlantic leg, since older 747 business configurations still appear on some rotations and lack the same privacy.
April, May, September, and October remain the sweet spot for this itinerary — the shoulder seasons avoid both the August Cycladic crowds and the steep summer fare premiums, while still delivering warm, swimmable weather in Mykonos. Because pricing on this three-airline, multi-hub route fluctuates constantly based on which connection opens award or discounted business inventory first, setting up automated fare alerts is the smartest way to catch a favorable window before it closes.