The Trieste Science+Fiction Festival is a free event held every October, celebrating the world of science fiction. The festival features screenings of classic and contemporary sci-fi films, Q&A sessions with directors and actors, and a lively atmosphere. It's the perfect choice for budget-conscious travellers looking for a unique and exciting experience. The festival takes place in various locations throughout the city, including the historic Teatro Miela, making it a great opportunity to explore Trieste's cultural landmarks.