Densities and viscosities of aqueous solutions and 1.0 mol.kg(-1) aqueous urea solutions of glucose, fructose, sucrose, and lactose have been measured at two different temperatures [(308.15 and 318.15) K] in the concentration range (0 to 3) mol.kg(-1). The different derived parameters such as the apparent molal volume of solute (phi(V)) and Jones-Dole equation viscosity B- and D-coefficients have been obtained for these binary and ternary mixtures. Partial molal volumes ((V) over bar (0)(2)) at infinite dilution were obtained by smooth extrapolation of the phi(V)-m curves to zero concentration. These data were used to obtain the corresponding volume of transfer (Delta trans (V) over bar (0)(2)) for saccharides from pure water to 1.0 mol.kg(-1) aqueous urea solutions at two different temperatures. The results are interpreted in terms of various interactions among solute and solvent molecules.