Podgorica remains one of those Adriatic gems that rewards travelers willing to route smartly rather than seek the mythical nonstop, since none exists from the New York area. There is no direct service on this corridor, so business class from Newark to Podgorica requires a connection through one of three European gateways: Frankfurt or Munich on Lufthansa, Istanbul on Turkish Airlines, or Paris on Air France. Having flown all three combinations, I'd steer discerning travelers toward Lufthansa's Frankfurt routing when Allegris-equipped aircraft are assigned on the transatlantic leg — the suite-style seating with sliding doors represents a genuine leap over the airline's older business product, though availability on this specific configuration is still limited, so it's worth checking the aircraft type at booking.
Turkish Airlines via Istanbul deserves serious consideration too, not just for the lie-flat seats but for the Istanbul Airport lounge experience, which remains among the most theatrical in commercial aviation — the faux cobblestone walkway and live cooking stations make a long layover feel like a destination unto itself. Air France's Paris connection, meanwhile, suits those wanting to break up the journey with a night in the city; La Première or business class on the 777 or A350 gives a distinctly French sense of service, and CDG's Terminal 2E handles the onward Balkan flights efficiently if you allow at least two hours for the connection. One insider tip worth noting: TGD's regional flights from these hub cities are often operated by smaller narrow-body aircraft, so your true "business class" comfort is really front-loaded onto the long-haul segment — plan your splurge accordingly rather than expecting parity on the shorter European leg.
Seasonality matters considerably here. January through March and again in October and November tend to offer the most favorable award and revenue fare patterns, largely because Montenegro's summer coastal surge (June through September) pushes premium demand — and pricing — sharply upward. Given how fare classes on these three carriers fluctuate week to week between the hubs, setting up automated fare alerts for this specific Newark–Podgorica pairing is the smartest way to catch a business class release before it disappears.