Gothenburg rarely gets the glossy treatment reserved for Stockholm or Copenhagen, which is precisely why seasoned travelers appreciate how quietly efficient the routing has become. There's no nonstop option: business class from Boston to Gothenburg always routes through a European hub, most commonly Copenhagen via SAS, Amsterdam via KLM, or Frankfurt/Munich via Lufthansa. SAS is the natural carrier of choice here, given its Scandinavian focus, and its A321LR or widebody equipment on the transatlantic leg offers a proper flat-bed business product before a short connecting hop into Landvetter Airport. Total journey time hovers around 8.5 hours of actual flying, but factor in connection windows of 90 minutes to two hours for a realistic door-to-door estimate.
Having routed through all three hubs repeatedly, I'd steer discerning flyers toward the SAS-via-Copenhagen itinerary when schedules align — Copenhagen's compact layout makes tight connections manageable, and SAS's business class cabin, with its direct-aisle-access-adjacent seating on widebody aircraft, feels more purpose-built for Scandinavian travel than the alternatives. Lufthansa's business class through Frankfurt or Munich is a solid fallback, especially if Allegris-configured aircraft happen to be on your Frankfurt sector, though availability on that specific product remains inconsistent on this pairing. KLM via Amsterdam is worth considering for its reliable World Business Class recliner seats and Amsterdam's efficient transfer process, particularly for early morning arrivals into Gothenburg when Scandinavian daylight in summer makes for a scenic descent. My insider tip: book the earliest connecting flight out of your hub rather than the "convenient" midday option — Scandinavian short-haul schedules thin out considerably after 3pm, and misconnections in shoulder season can strand you overnight.
May through September remains the sweet spot, both for weather and for award availability loosening as Scandinavian carriers add capacity. Given how thin premium inventory can be on the Gothenburg leg specifically, setting continuous fare alerts on this Boston–Gothenburg corridor is the smartest way to catch business class pricing before it firms up for summer travel.