There's no nonstop way to reach Cyprus's southern coast from the Pacific Northwest, which means the real decision for anyone booking business class from Seattle to Larnaca isn't whether to connect, but where. With Cyprus Airways, Lufthansa, and Air France all serving this corridor, the smart routing runs through Frankfurt, Paris, or occasionally Athens/Larnaca via a Cyprus Airways short-haul link. Total journey time hovers around 14 hours in the air, but realistically you're looking at 16-18 hours door to door once you factor in the connection. My preference after flying this route repeatedly is Lufthansa via Frankfurt, where the newer Allegris business class suites (on select 787 and A350 rotations) offer sliding doors and genuinely private space for the transatlantic leg, before transferring to a Lufthansa or Cyprus Airways narrow-body for the final hop into Larnaca.
Air France via Paris is the other strong contender, particularly if you can secure their 777 or A350 business seats with the reverse-herringbone configuration — reliable, comfortable, and CDG's Terminal 2E handles the connection to Larnaca reasonably efficiently if you allow at least two hours. Cyprus Airways itself doesn't operate widebody long-haul metal, so it functions purely as your regional connector once you've crossed the Atlantic on a partner carrier; don't expect lie-flat seating on that final short sector, but it's brief enough not to matter. One insider trick I've used: book the Frankfurt-Larnaca segment as a separate lightly-loaded midweek flight when possible, since Lufthansa often prices the connecting fare more favorably than bundling everything through Paris during peak Mediterranean season.
Shoulder months — April, May, September, and October — consistently deliver the best combination of fare value and pleasant Cyprus weather, avoiding both the July-August crowds and winter's thinner schedules. Because pricing on this niche US-Cyprus corridor fluctuates with European carrier fare sales rather than predictable patterns, setting up automated fare alerts is genuinely the most reliable way to catch a business class opening before it disappears.