Bergen's fjord-carved approach into Flesland airport rewards patience, and after two decades of chasing Nordic connections, I can say there's no nonstop route that gets you there from the Midwest — every itinerary in business class from Chicago to Bergen requires a European hub transfer, typically through Copenhagen, Frankfurt, or Amsterdam. SAS routes travelers through Copenhagen aboard its A330 or A350 business class, a genuinely comfortable direct-aisle-access product on the widebody, before a short SAS regional hop into Bergen. Lufthansa connects via Frankfurt, and depending on aircraft assignment you may find yourself in the airline's new Allegris business suite, though older 747-8 and A340 configurations still populate this corridor, so it pays to check equipment before booking. KLM's Amsterdam gateway offers the most schedule flexibility for Norway-bound connections, with reliable evening departures that pair well with Schiphol's efficient transfer process.
Having flown all three routings multiple times, my strongest recommendation is Copenhagen as the connection point whenever schedules allow — SAS's own hub minimizes misconnect risk on the final leg into Bergen, and Kastrup's transfer security is notably faster than Frankfurt's during peak summer months. Frankfurt, by contrast, can be brutal in July and August when European vacation traffic clogs the terminal, so build in extra buffer time if Lufthansa is your only option. One insider tip rarely mentioned: the SAS or KLM regional legs into Bergen are often operated on smaller aircraft without a dedicated business cabin, so your "business class" ticket may simply mean priority boarding and an empty middle seat — worth knowing before you build expectations around the final segment.
Late spring through early autumn, roughly May through September, is when Bergen rewards visitors most, with long daylight hours illuminating the fjords and milder weather easing the transatlantic jet lag. This is also when award and premium fares fluctuate most, as leisure demand into Norway spikes against business travel lulls in Germany and Scandinavia. Given the multiple carrier and routing permutations at play, setting up fare alerts for this specific corridor is the smartest move — pricing shifts quickly across SAS, Lufthansa, and KLM depending on which hub is running promotional business class fares that month.