Crete's ancient port city doesn't have a nonstop connection to the Bay Area, and honestly, after flying this corridor a dozen times over the years, I've come to appreciate the routing itself as part of the ritual. There is no direct service, so business class from San Francisco to Heraklion always means a strategic hub transfer — and the choice of hub matters more than most travelers realize. Lufthansa via Frankfurt or Munich remains my preferred option, particularly now that Allegris is rolling out on select long-haul aircraft, offering a more private, suite-like cabin than Lufthansa's older business seat. Air France through Paris-Charles de Gaulle is a strong alternative, especially for those who want to break up the journey with a night in Terminal 2E's Business lounges before the short hop down to Crete. Aegean Airlines, as the flag carrier of Greece, typically operates the final leg into Heraklion, and while their transatlantic partners handle the long-haul segment, Aegean's regional business product is a pleasant, understated way to finish the trip.
The total journey clocks in around 14 hours of flying time, so I always recommend building in a layover of at least two to three hours to clear security comfortably in Frankfurt, Munich, or Paris — rushing a connection after an overnight flight rarely ends well. My insider tip: Heraklion's airport gets congested with charter traffic in peak summer, so arriving via a business class connection in the shoulder seasons of April, May, September, or October not only means better fares but also a noticeably calmer arrival experience, with Crete's tourist crowds thinned out and the Aegean light at its most photogenic.
Seasonality on this route is pronounced — Lufthansa and Air France both adjust capacity and premium cabin availability based on Greek tourism demand, which means award space and fare quality fluctuate significantly month to month. Given how much these business class fares move depending on hub, carrier, and season, I'd strongly suggest setting up automated fare alerts rather than checking manually, since the best Frankfurt or Paris routings to Heraklion tend to appear and disappear within days.