The firm has eliminated its single supplement on its category 1 European riverboat cabins, waiving it on nearly 250 Tauck river cruise departures next year.
Tauck has also reduced the solo traveller charge by £750 on other selected cabin categories on 63 departures of 20 different river itineraries.
On its land journeys, Tauck has reduced its solo supplement by up to £750 on 113 departures of 43 tours visiting five continents.
In North America, the company has shaved up to £750 off the solo traveller fee on 43 departures of 15 tours. In Europe, the operator has reduced the single supplement by up to £300 on 48 departures of 19 different land itineraries.