Montpellier's little regional airport hardly registers on most flyers' radar, which is precisely why the routing puzzle from Raleigh deserves careful thought before booking. There's no nonstop option, of course—RDU sits nearly 4,500 miles from this Languedoc gem—so the real decision is which European gateway serves as your connection. Business class from Raleigh to Montpellier typically means routing through Paris via Delta or Air France, or through Frankfurt or Munich on Lufthansa, with the long transatlantic leg (roughly 8.5 hours to the hub) followed by a short regional hop into MPL on a partner or codeshare aircraft. Delta's transatlantic metal on this corridor usually means the Delta One suite with sliding doors out of JFK or Atlanta connections, while Air France runs its newer Business seat (with the shell-style privacy panel) on many Paris-bound widebodies from the US. Lufthansa's Frankfurt and Munich connections increasingly feature the Allegris business seat, though rollout is still uneven across the fleet, so it's worth checking your specific aircraft before booking if that seat matters to you.
Having flown this itinerary more times than I can count, my strongest advice is to build in at least a 90-minute connection in Paris CDG—Terminal 2E's passport control lines can be brutal even for business class passengers, and Air France's Salon lounges, while pleasant, aren't worth rushing through. Frankfurt tends to move faster for Star Alliance connections, and Lufthansa's Senator lounges there are a reliable place to reset before the short hop south. One insider trick: book the Paris or Frankfurt connection with enough buffer to catch an earlier regional flight if your transatlantic segment lands ahead of schedule—gate agents in both cities will often rebook you standby at no charge if you ask politely at the transfer desk rather than waiting for the app to catch up.
Seasonality matters enormously here. January through March and again in October and November consistently offer the softest business class fares into southern France, as summer's Provençal pull dries up and airlines discount to fill premium cabins. Given how thin inventory can be into a secondary airport like Montpellier, setting fare alerts well in advance is the smartest way to catch these dips before they vanish.