Deal Alert: Viking River Cruises at Liberty Travel - ends Nov. 30

At Liberty Travel, book a last minute Viking River Cruises European Cruise and the second guest sails for free, as provided by ShermansTravel. That's a savings of at least $1,799 and yields price lows on cruises on the Danube, Rhine, River of Gold, and more. Some restrictions and additional fees apply. Book this travel deal by November 30 for cruises through December 31.