Cyprus remains one of the Mediterranean's more elusive business class destinations from the American West Coast, and there's no nonstop way around it: booking business class from San Diego to Larnaca always requires at least one, often two, connections. The most reliable routing pattern I've found over dozens of itineraries involves flying Lufthansa or Air France from San Diego through their respective hubs before connecting onto Cyprus Airways for the final leg into Larnaca, since Cyprus Airways itself operates no service to the US mainland. Lufthansa's transatlantic long-haul from LAX or SFO (SAN itself has no widebody service, so a domestic or short connection is unavoidable) increasingly features the airline's new Allegris business class suites with sliding doors on select aircraft, though older 747-8 and A340 configurations still fly many Frankfurt rotations, so it's worth checking the specific aircraft type before booking. Air France routes through Paris CDG, where their A350 and 777 business cabins offer fully flat seats and notably good champagne service, a small but real touch of French flair before the Cyprus Airways connection.
The Frankfurt and Paris hub strategies each have distinct advantages: Frankfurt's connections to Larnaca are more frequent, while CDG's Terminal 2E makes for a smoother transfer if you're arriving from a long transpacific-length crossing and want minimal walking. My insider tip, gathered from repeated trips: Cyprus Airways' short intra-European hop into Larnaca is typically operated with a standard European business class (blocked middle seats, not lie-flat), so don't expect suite-level comfort on that final segment — budget your rest accordingly on the long-haul segment instead, since that's where the real recovery happens.
Shoulder-season months — April, May, September, and October — consistently offer the best combination of fare value and pleasant Cypriot weather, avoiding both the August Mediterranean crowds and winter's thinner schedules. Given the multi-carrier complexity of this routing, fares fluctuate more than on simpler city pairs, so setting up automated fare alerts for San Diego to Larnaca business class is genuinely the smartest way to catch pricing dips across Lufthansa, Air France, and Cyprus Airways before they disappear.