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In the title mol­ecule, C17H13NO2, the phenyl ring is inclined to the quinoline ring system by 43.53 (4)°. In the crystal, mol­ecules are linked via C—H⋯O hydrogen bonds, forming double-stranded chains propagating along [011]. These chains are linked via π–π inter­actions involving inversion-related quinoline rings; the shortest centroid–centroid distance is 3.6596 (17) Å.

In the title compound, C13H12ClNO2, the dihedral angle between the planes of the quinoline ring system (r.m.s. deviation = 0.029 Å) and the ester group is 54.97 (6)°. The C—O—C—Cm (m = meth­yl) torsion angle is −140.62 (16)°. In the crystal, mol­ecules inter­act via aromatic π–π stacking [shortest centroid–centroid separation = 3.6774 (9) Å] generating (010) sheets.