2021-2023 RIVER CRUISE AND AIR SAVINGS: Offer valid on bookings made from Oct 1-31, 2020. Special cruise fares plus FREE air valid on available 2021-2023 departures of Grand European Tour, European Sojourn, Waterways of the Tsars. Airfares vary on other gateways & departures. Air does not have to be purchased to get cruise/tour offer. All prices are in US dollars and for US residents only. Additional restrictions may apply. Book by Oct 31, 2020. 2021: Pay in full by Nov 30, 2020. 2022 & 2023: Pay in full by Dec 31, 2020. Offer expires Oct 31, 2020.