There's no nonstop widebody service linking Birmingham to Corfu, so the real answer to "how do you fly business class from Birmingham to Corfu" lies in routing through Europe's efficient connecting hubs — and after two decades of chasing Ionian sunsets, I've found that a Lufthansa connection via Munich or Frankfurt, or Aegean Airlines via Athens, delivers the most consistent Birmingham to Corfu business class experience. Total journey time typically runs around 11.5 hours door-to-door once you factor in the connection, which sounds long for a relatively short-haul destination, but the payoff is a proper lie-flat or recliner product on the long-haul leg and genuine Greek hospitality on the final hop into Corfu's compact, charmingly old-school airport.
Lufthansa's rollout of Allegris seating has been uneven fleet-wide, so on the Birmingham–Munich–Corfu routing I'd specifically request confirmation of aircraft type before booking; the Frankfurt hub still offers reliably excellent business lounges if you have a layover of ninety minutes or more. Aegean, meanwhile, punches above its weight on the Athens–Corfu sector with a smart, if regional, business cabin, and their Athens hub connections from Birmingham (often routed via a codeshare partner) give you access to the airline's genuinely warm, wine-forward onboard service — a nice contrast to the more clinical German efficiency. British Airways doesn't operate Corfu directly from Birmingham either, but their Club Suite product on connecting flights via London Heathrow is worth chasing if your dates align, since it's currently the most private hard product among these three carriers.
My insider tip: book the outbound leg to land in Corfu before 2pm — afternoon thunderstorms build over the Ionian in high summer and can cascade delays through the small airport's single runway operation. April, May, September, and October remain the sweet spot for both weather and business class award or discounted fares, as summer demand from UK charter traffic pushes premium pricing upward. Given how thin and seasonal premium inventory is on this corridor, setting up fare alerts to track pricing shifts across these carriers is the smartest move before committing to dates.