Podgorica remains one of the more delightfully obscure endpoints for a premium cabin itinerary out of Southern California, and that scarcity is precisely what makes the routing interesting. There is no nonstop option, of course — booking business class from San Diego to Podgorica means constructing a journey through one of three credible hub networks: Delta via Atlanta or JFK into a European gateway, Lufthansa via Frankfurt or Munich, or Turkish Airlines via Istanbul. In my experience, the Turkish Airlines option is the most elegant on paper, since Istanbul offers a same-alliance-adjacent, geographically logical last leg into Podgorica, while Lufthansa's Frankfurt or Munich hub gives you access to their long-haul business cabins, including the newer Allegris configuration now rolling out on select 787 and A350 routes.
For the transatlantic segment, I've found Lufthansa's business class — whether in the established fully-flat seat or the newer Allegris suite — offers the most consistent hard product for the 10-plus-hour westbound or eastbound crossing, with Frankfurt's connections to smaller Balkan airports well-practiced by comparison. Turkish Airlines counters with genuinely excellent onboard catering and their Istanbul Lounge, arguably the single best transit experience of the three carriers, worth arriving early to enjoy rather than rushing through. Delta's strength is domestic reliability getting you out of San Diego and across the country or ocean via its own metal before you switch to a partner for the final Balkan hop; if flying Delta One, request their Westin-partnered bedding-equipped seats where available on the transatlantic frontier fleet. My insider tip: build in a minimum two-hour connection in Istanbul or Frankfurt regardless of the airline's stated minimums, since Podgorica's limited daily frequencies mean a missed connection can cost you a full extra day.
January through March and October into November consistently produce the softest business class fares on this corridor, as Balkan leisure demand collapses outside summer. Given the routing complexity and fare volatility across three very different alliances, setting up automated fare alerts is the smartest way to catch a premium seat to Podgorica before the deal disappears.