Trondheim rarely tops the list of Nordic business-class dreams, but that's precisely why seasoned travelers should pay attention to this underrated corridor. There's no nonstop option here — business class from Baltimore to Trondheim always routes through a major European hub, typically Copenhagen, Amsterdam, or Frankfurt, adding roughly 2-3 hours of connection time to the total journey. SAS operates the most logical routing via Copenhagen, leveraging its A330 or A321LR business class product on the transatlantic leg before a short A320neo hop up to Trondheim. KLM channels passengers through Amsterdam's efficient Schiphol hub with its World Business Class cabin, while Lufthansa's Frankfurt connection offers access to their evolving Allegris cabin on select routes, though older 747-8 or A340 configurations may still appear depending on aircraft rotation.
Having connected through all three hubs multiple times, I find Copenhagen the smartest choice for this specific itinerary — SAS's own hub means tighter minimum connection times and fewer immigration bottlenecks, since you're already inside the Schengen zone if arriving from a non-EU flight. My insider tip: book the SAS codeshare itinerary rather than a separate KLM or Lufthansa ticket whenever possible, because SAS's Star Alliance Gold-affiliated lounges in Copenhagen (particularly the SAS Gold Lounge in Terminal 3) offer a quieter, more spacious pre-departure experience than the crowded Schiphol business lounges during peak summer months. Trondheim's Værnes Airport itself is refreshingly small — expect to clear arrivals and collect luggage within twenty minutes, a rare luxury after a long transatlantic sequence.
Late spring through early autumn — May through September — brings not only Trondheim's best weather and nearly endless daylight but also the most favorable award and cash fare availability, as Scandinavian leisure demand peaks in shoulder months rather than midsummer. Because fare and award space on this niche routing can shift quickly with seasonal capacity changes, setting up automated fare alerts remains the smartest way to catch a premium seat before it disappears.