In the present work, (liquid + liquid) equilibrium (LLE) data have been determined experimentally for aqueous two-phase systems formed by the ionic liquids n-butylpyridinium trifluoromethanesulfonate [Bpy]OTF and the organic salts of ammonium citrate ((NH4)(3)C6H5O7) and sodium succinate (Na2C4H4O4) at T = (298.15, 318.15, and 328.15) K. Binodal curves were fitted to two empirical equations with different parameters. The quality of the experimental LLE data was established by applying the Othmer-Tobias and Bancroft correlations. The tie-line data of the systems at three different temperatures has also been described by the Setschenow-type equation. The phase diagrams for the two-phase systems show good agreement with the experimental data. Furthermore, the temperature dependence of the binodal curves has also been discussed. The results show the salting-out ability of Na2C4H4O4 exceed (NH4)(3)C6H5O7, which can be related to the Gibbs energy.