In the title compound, C(23)H(19)Cl(2)N(5)OS, the triazole ring makes dihedral angles of 24.81 (18), 69.94 (19) and 35.68 (18)° with the dichloro-phenyl, benzene and meth-oxy-phenyl rings, respectively. An intra-molecular N-H⋯N hydrogen bond occurs. In the crystal, inversion dimers linked by pairs of N-H⋯S hydrogen bonds occur. In addition, there are weak C-H⋯π inter-actions involving the dichloro-phenyl and triazole rings.