There's no nonstop path between St. Louis and Malta, so the real craft of this trip lies in choosing your connection wisely, and after years of routing through nearly every plausible gateway, I've settled on Frankfurt via Lufthansa as the most consistently rewarding option for booking business class from St. Louis to Malta. Delta gets you across the Atlantic from STL through hubs like Atlanta or JFK before handing off to a partner, but Lufthansa's own metal into Frankfurt, followed by their regional jet down to Malta International, keeps the journey within one alliance's ecosystem and minimizes the baggage-recheck anxiety that plagues connecting itineraries. Total air time runs about 11.5 hours across both segments, and Frankfurt's efficient transfer process between long-haul and short-haul terminals is genuinely one of the smoother hub experiences in Europe if you allow at least 90 minutes.
Lufthansa's widebody aircraft on the transatlantic leg increasingly feature the new Allegris business class suites, though older 747-8 or A340 configurations with the traditional recliner-style seats still show up depending on aircraft assignment—worth checking your specific tail number a few days out, since Allegris delivers meaningfully more privacy and a proper door. Air Malta's KM operates the short intra-European hop, typically in a comfortable but modest business cabin appropriate for the sub-two-hour flight time—don't expect lie-flat seating there, and don't need it. My insider tip: build in a long layover deliberately rather than a tight one, and use Frankfurt's Lufthansa First Class Terminal lounge access (available to some business class ticket holders on qualifying fares) for a shower and proper meal before the Malta descent—it transforms the arrival experience entirely.
April, May, September, and October consistently offer the best value on this corridor, as Maltese shoulder-season weather is ideal and demand hasn't yet peaked with summer sun-seekers. Given how fare availability on this routing fluctuates with Lufthansa's premium cabin loads, setting up automated fare alerts remains the smartest way to catch a window before it closes.
