Katowice remains one of Central Europe's most underrated arrival points for business travelers heading into Silesia's industrial corridor, and there's no nonstop way to get there from the upper Midwest — which is precisely why routing strategy matters so much. There is no direct business class from Minneapolis to Katowice; every itinerary funnels through a major European or transatlantic hub, and the smartest connections run via Delta's partnership network through Amsterdam or Paris, via LOT Polish Airlines through Chicago or Frankfurt, or via Lufthansa through Frankfurt or Munich. Delta's Minneapolis hub gives you a natural first leg in the Delta One suite — a fully enclosed, sliding-door pod now standard on their widebody transatlantic fleet — before handing off to a Star Alliance or SkyTeam partner for the final push into KTW. I've found the LOT connection through Chicago particularly efficient for Polish-bound travelers, since LOT's Warsaw hub offers a short, well-signed connection to their regional jets serving Katowice, and their business class, while regional in scale, is more personal and less rushed than the mega-hubs.
If your routing takes you through Frankfurt, Lufthansa's long-haul business class — increasingly featuring the Allegris cabin on select aircraft — is worth timing your booking around, since seat assignments and cabin generation vary significantly by aircraft type on any given day. My insider tip: call LOT directly rather than booking the connecting Warsaw-Katowice leg online, as their agents can often construct a smoother through-fare with better award availability than the metasearch engines display, especially on the shoulder-season dates. Katowice's small airport (KTW) is a blessing on arrival — immigration and baggage rarely take more than twenty minutes, a welcome contrast to the sprawl of Frankfurt or Amsterdam you'll have just navigated.
January through March and October into November consistently offer the softest fares on this corridor, as Polish business travel dips outside trade fair season and Minneapolis-Europe demand cools after the summer peak. Given how fragmented pricing is across three carriers and multiple hub combinations, this is a route where setting up automated fare alerts pays off far more than manual searching — the gaps between a mediocre fare and an exceptional one can appear and vanish within days.