Amadeus River Cruises is offering savings of nearly £1,000 per person on select spring and summer sailings.
Discounts of up to £984 are available on select cruises on the Rhone, Rhine, Danube and Dutch waterways if booked by February 29.
A seven-night Treasures of Burgundy & Provence will sail roundtrip from Lyon, calling at Macon, Chalon-Sur-Saône, Tournus, Avignon, Arles, Châteauneuf-du-Rhône and Le Pouzin. Prices start at £1,699 based on departures on March 28, April 4 and April 11.
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A seven-night Classic Rhine Cruise between Basel and Amsterdam calls at Strasbourg, Speyer, Mannheim, Rudesheim, Koblenz, Cochem, Cologne and Utrecht. The lead-in price is £2,199 based on departures on May 11 and 12, and July 6, 20 and 22.
Also included in the offer is the seven-night Tulip Serenade itinerary which will sail roundtrip from Amsterdam and call at in Arnhem, Middleburg, Ghent, Antwerp and Rotterdam. The sailing departs on April 21 and costs from £1,999.
All prices include £300 flight credit per person, overseas transfers, full board and accommodation on the cruise, excursions, use of bicycles, W-Fi and port fees.