Getting from the plains of Nebraska to the caldera cliffs of Santorini requires patience and a well-plotted routing, since no carrier offers anything close to a one-stop journey worth savoring end to end. The reality of booking business class from Omaha to Santorini is that you're piecing together three flight segments, and the connection city you choose shapes the entire experience: Lufthansa via Frankfurt or Munich, British Airways via London Heathrow, or Aegean via Athens after a transatlantic partner leg. Total air time hovers around 12.5 hours, but with connections and layovers, plan on 16-20 hours door to door. My strong preference is routing through Munich on Lufthansa, where the newer Allegris business class suites (when assigned to your aircraft) offer sliding doors and genuine privacy that United's joint-venture equivalents from Chicago or Newark simply can't match on the Omaha side.
The savvy move is flying OMA to a European gateway on a domestic partner in economy or premium economy, then splurging on the long-haul business cabin where it counts most—Lufthansa's Allegris or British Airways' Club Suite with its direct-aisle access from Heathrow. From either Munich or Heathrow, Aegean Airlines handles the final hop into Santorini's compact JTR airport, and here's the insider tip most travelers miss: book the earliest Aegean morning departure from Athens, since afternoon flights into Santorini face frequent delays from the notorious Meltemi crosswinds that plague the island's short runway in summer. Arriving before noon also means beating the cruise ship crowds into Fira.
Shoulder season—April, May, September, and October—delivers the best combination of fare value and manageable winds, plus the caldera views without peak-July crowds. Because pricing on this three-leg journey fluctuates constantly depending on which partner alliance releases premium award or discounted business inventory, setting up fare alerts specifically for the Omaha-to-Santorini corridor will save you from chasing prices manually across three separate carriers.