Depending on the destination, each cruise will be packaged with either coach travel from the UK to the ship or flights from a range of regional airports.
New itineraries on sale include a 10-day Cruising the Rhone, Burgundy, Provence and the Camargue sailing from £1,449pp, to depart 10 June, 9 and 23 September 2022.
An eight-day Cruising the Seine, Paris and Normandy itinerary departs 23 June and 29 September and costs £1,249pp.
The 10-day Cruising the Blue Danube voyage, from £1,599pp, will depart on 10 June and 9 and 23 September.
An eight-day Portugal’s Beautiful Douro River offering has departure dates in June, July and September. Fares come in at £1,759pp.
Just Go! has also created an itinerary on the Douro that combines a seven-night cruise with two nights in Porto.
The Portugal’s Douro River and A Taste of Porto holiday is available by air on 1 June, 20 July or 14 and 28 September 2022, priced from £2,059pp.
Claire Dutton, trade sales manager at Just Go! Holidays, said growing the company’s river cruise offering is "something we’ve been looking at for a while".
"We knew we had a gap in our portfolio for a more premium offering, and I’m delighted that we can now offer this in partnership with A-Rosa" she added.