There is no nonstop way to make this journey glamorous from the outset—San Jose Mineta simply doesn't have the widebody infrastructure for that—but the connections available make booking business class from San Jose to Tivat one of the more rewarding puzzles in European travel planning. In practice, the strongest routing runs through Munich or Frankfurt on Lufthansa, with a transfer onto Turkish Airlines or Croatia Airlines for the final hop into Tivat's compact coastal airport. Factually speaking, no carrier currently flies nonstop between San Jose and Tivat, so every itinerary involves at least one, and usually two, connections, typically totaling around 13 hours of flight time once you factor in the transatlantic and regional segments.
I've routed this trip both via Munich and via Istanbul, and each has its charm. Lufthansa's long-haul segment out of San Francisco or occasionally SJC-adjacent gateways often features their newer Allegris business class on select 787 and A350 aircraft, with the sliding-door suites now rolling out fleet-wide—worth requesting specifically when booking, since older 747 configurations still fly some Munich routes. Turkish Airlines, if you connect through Istanbul instead, offers their well-regarded lie-flat business seats with the brand's signature onboard chef service and the sprawling IST lounge, a genuine highlight if you have a few hours to spare. From either Munich or Istanbul, the final leg down to Tivat is short and typically operated by Croatia Airlines or Turkish regional metal in a narrowbody business cabin—comfortable, but don't expect lie-flat seating on that segment.
My insider tip: build in a two-hour minimum buffer in Munich during summer, as Tivat-bound connections sit in a low-frequency slot that airport staff rarely prioritize during peak Balkan tourist season. April, May, September, and October are the sweet spot for this itinerary, both for Adriatic weather and airfare softness, as summer demand into Montenegro's yacht season pushes premium cabins tight. Given the multiple carriers and shifting connection options on this route, setting up fare alerts is the smartest way to catch a well-priced business class release before it disappears.