Gothenburg rarely gets its due among Nordic gateways, which is precisely why the routing puzzle from Denver deserves careful thought before you book. There's no nonstop option here: business class from Denver to Gothenburg always routes through a European or Scandinavian hub, with the three real contenders being SAS via Copenhagen, Lufthansa via Frankfurt or Munich, and KLM via Amsterdam. My preference after years of testing all three is SAS's own-metal connection through Copenhagen, since it keeps you within one alliance's baggage and lounge ecosystem and lands you close to Gothenburg's compact Landvetter Airport, where immigration rarely takes more than fifteen minutes even on a busy summer afternoon. SAS's long-haul business class product on the transatlantic leg features a proper flat-bed with direct aisle access in the newer configuration, a meaningful upgrade over the older staggered layout still flying on some frames — worth checking your aircraft type before booking.
Lufthansa routes through Frankfurt or Munich and, depending on aircraft assignment, may offer the new Allegris business suite, though rollout has been gradual, so don't assume you'll get it — confirm the specific tail number's cabin via seat-map tools rather than trusting the booking engine's generic description. KLM's Amsterdam connection is efficient for those who prioritize a fast MCT, and Schiphol's Skyteam lounges are a genuine highlight if you have a few hours to burn. My insider tip: build in a two-hour-plus layover on the inbound to Gothenburg regardless of carrier, since Landvetter's limited gate capacity means aircraft occasionally hold on the tarmac for a stand, and tight connections here are riskier than the short flight time suggests.
Deal season runs May through September, coinciding with Scandinavia's brief but glorious summer, when award space also loosens as leisure demand shifts toward economy. Given how thinly these three carriers compete on this corridor, setting up fare alerts is the smartest way to catch the periodic pricing dips before they vanish.