Malmo's proximity to Copenhagen makes it one of those deceptively tricky Scandinavian routings that rewards a traveler who's done the homework, and after years of booking this corridor I can say plainly: there is no nonstop business class from Cincinnati to Malmo, so the routing itself becomes part of the strategy. The most reliable path runs through Amsterdam on KLM or through Frankfurt/Munich on Lufthansa, with a final short hop into either Malmo Airport or Copenhagen followed by the excellent Öresund train link across the bridge—an insider move that seasoned Scandinavia hands prefer over the sometimes sparse MMX schedule. SAS, naturally, offers the most culturally attuned connection through Copenhagen, and its A350 business class cabin, with direct-aisle access and Nordic-designed comfort, is worth angling for on the transatlantic leg if your itinerary allows a Copenhagen stopover.
For the transatlantic segment out of Cincinnati, Lufthansa's connection through Frankfurt or Munich remains the workhorse option, and depending on aircraft assignment you may find yourself in the newer Allegris business suite, though older 747-8 or A340 business configurations still appear on this corridor, so it pays to check your equipment before ticketing. KLM's Amsterdam hub, meanwhile, offers World Business Class on its 787 or A330 fleet, with Schiphol's efficient transfer process making it one of the least stressful connections in Europe—arrive with at least 90 minutes if you want time in the KLM Crown Lounge before the short onward flight north. Summer, from May through September, is genuinely the best window for this route, both for weather in Skåne and for award or upgrade availability, as Scandinavian carriers open more premium inventory during peak Nordic travel season.
Given the multiple viable routings and fluctuating premium award space across SAS, Lufthansa, and KLM, this is a route where fares shift often enough that setting up automated fare alerts will save you both money and second-guessing.