Memphis is not exactly awash in nonstop options to Alsace, and there's a reason for that: no carrier flies MEM-SXB direct, so booking business class from Memphis to Strasbourg means routing through a major transatlantic gateway, with Atlanta, Paris, or Frankfurt as the natural pivot points. Delta's Atlanta hub is the most seamless choice for Memphis-based travelers, offering a same-terminal connection onto Delta One suites across the Atlantic before a same-day Air France or regional hop into Strasbourg via Paris CDG. Alternatively, Lufthansa routes through Frankfurt, where its business class cabin on widebody aircraft connects efficiently to a short Lufthansa Group regional flight into SXB — a route I've found particularly reliable during winter schedule changes when Strasbourg's small airport sees reduced frequencies.
Having flown this corridor multiple times, my strong preference is the Atlanta-CDG-Strasbourg build, chiefly because Delta One's suite product (with sliding privacy doors on select 767 and A350 aircraft) offers the most consistent hard product for the long Atlantic crossing, and Air France's shorter CDG-SXB hop rarely runs more than an hour, minimizing connection fatigue. One insider tip: if your itinerary lands at CDG's Terminal 2E, build in at least 90 minutes for the connection to the regional Terminal 2F or 2G gates used for French domestic routes — the internal transfer can eat more time than the security-lite Schengen connection suggests, and missing that tight regional hop into Strasbourg is a common and avoidable headache.
Seasonally, this routing rewards patience. January through March and again in October and November tend to offer the softest business class fares in this market, as leisure demand into Alsace dips outside the Christmas markets and summer festival season. Given the volatility of connecting fares across three possible gateway cities, I'd strongly encourage setting up automated fare alerts for Memphis-Strasbourg business class itineraries rather than manually checking — the pricing swings between Delta, Air France, and Lufthansa routings can be significant week to week.