Gothenburg rarely gets the glamour treatment afforded to Stockholm or Copenhagen, which is precisely why the routing deserves closer attention from anyone accustomed to premium travel. There is no nonstop option for business class from Atlanta to Gothenburg, so the real decision isn't whether to fly direct—it's which European hub best complements the connection. SAS routes passengers through Copenhagen, Lufthansa through Frankfurt or Munich, and KLM through Amsterdam, each offering a distinctly different flavor of the journey. Having flown all three combinations repeatedly, I'd say SAS via Copenhagen is the most logical for this specific city pair, given Gothenburg is essentially a domestic hop from CPH and SAS's Nordic-oriented service feels tailored to travelers heading onward into Sweden.
The long-haul segment is where the real product comparison matters. Lufthansa's transatlantic aircraft from Atlanta typically feature their older business class flat-bed seating rather than the new Allegris cabin, which is still rolling out gradually and unlikely to appear on this specific pairing yet—worth confirming at booking rather than assuming. KLM's World Business Class on their 787 or A330 fleet offers a reliable, if understated, experience with strong Delta codeshare integration given the joint venture, which often means smoother award availability if you're crediting miles to Delta or Flying Blue. SAS, meanwhile, deploys its A350 business class on the transatlantic leg out of Copenhagen, a genuinely comfortable direct-aisle-access product that beats the shorter regional aircraft used for the Gothenburg feeder—so don't expect lie-flat seating on that final short hop, and plan your arrival timing accordingly since GOT's ground transport thins out late at night.
My insider tip: because this is a joint-venture-heavy route (SkyTeam and Star Alliance both represented), searching one-way segments separately sometimes surfaces business class award space invisible in round-trip searches—particularly on KLM's Amsterdam leg. Late spring through early autumn brings the best fare softening as Scandinavian carriers compete harder for summer visibility before winter demand tightens things up. Given how much these fares fluctuate hub-to-hub, setting continuous fare alerts across all three carriers is the smartest way to catch a premium seat before it disappears.