Viking River Cruises has joined the Black Friday party! It will be offering two-for-the-price-of-one sailings on three vessels in the coming month. But that's just the beginning of the offer: those who book Friday will also receive discounted airfare ($500 off) and a shipboard credit of $100 per couple.
The sailings are:
The Passage to Eastern Europe: Budapest to Bucharest, 11 days, November 2012 sailings
Danube Waltz: Passau to Budapest, 8 days, 1 November sailing
Cities of Light: Paris to Prague, 12 days, 1 November sailing