Bay Area travelers headed to Sweden's west coast face a routing puzzle that rewards careful planning: there is no nonstop option, and business class from Oakland to Gothenburg requires a connection through one of three European gateways, with SAS via Copenhagen, KLM via Amsterdam, or Lufthansa via Frankfurt or Munich the three realistic paths. In practice, I've found SAS's own hub connection to be the most elegant, since Copenhagen sits just across the strait from Gothenburg and SAS operates a short A320 hop that keeps the journey feeling Scandinavian from wheels-up to wheels-down. The transatlantic leg is where the real decision lies — SAS flies Airbus A330s and A350s with fully flat business class seats and direct aisle access on the A350, while KLM's World Business Class on its 787s and A330s offers a comfortable if less private experience, and Lufthansa's mix of older 747-8 and A340 business cabins can vary noticeably depending on aircraft rotation, so it pays to check equipment before booking.
Oakland's international departures are limited, so most itineraries begin with a same-day domestic or short connecting flight to SFO or a major hub before the long-haul segment actually begins — factor in at least two hours of buffer, since OAK's smaller footprint means less flexibility if your first leg runs late. Arrival in Gothenburg is refreshingly civilized: Landvetter Airport is compact, immigration is swift, and business class passengers connecting through Copenhagen or Amsterdam typically clear security fast enough to enjoy a proper lounge visit rather than a mad dash. My insider tip, learned the hard way over several summers: book the SAS Copenhagen routing during Midsummer week only if you enjoy long Nordic daylight and don't mind slightly thinner lounge crowds, since Swedes travel domestically that week and outbound business fares often soften.
May through September consistently offers the best value and the most tolerable Scandinavian weather for this journey, though availability tightens quickly once summer approaches. Given how much fares fluctuate across SAS, KLM, and Lufthansa depending on connection and aircraft, setting up fare alerts is the smartest way to catch a favorable business class fare before it disappears.