Option 1. Get a flight to Podgorica or Tivat (Montenegro). Then take a cab or rent a car, and in 1hr 30 minutes you will be on a spot.
Option 2. Get a flight to Belgrade (Serbia). Then take a night train 11 to Bar, which takes 11 hours approximately, and get to Ulcinj by a 30 minutes cab ride.
Camp team will assist you with all your transfer bookings.