Save with a combo-ticketThe Istanbul Card is a combo ticket for Istanbul's top sights, available in four options and valid for three to seven days. It includes fast-track admissions, city tours, an audio guide app, single-ride tickets for public transportation, boat tours, and 20% off on other attractions. The least expensive Classic Card includes the Bosphor boat tour and five single-ride tickets. The Saver Combo, Premium Card and Deluxe Card also include a visit to Topkapi Palace. Please note that no variant offers fast-track options to Hagia Sophia.