Mine were booked on P&O before I travelled , I felt that their Spain and Portugal cruise trips weren't bad price. Once your a pacific member you get 5% off. They did have discounted trips to Lisbon booked on ship I presume they hadn't filled their quota. I've always done excursions off my own previously esp as the towns usually within easy distance, even did a Jerusalem stop over but sadly those days of being active are behind me. I've booked some tours on my upcoming Scandinavian trip, also as a solo travel gives me some company.