In the title compound, C(15)H(8)Cl(2)F(2)O, the C=C double bond is in the E configuration. In the cyrstal, C-H⋯O hydrogen bonds connect the mol-ecules into chains along the c axis. A π-π inter-action of 3.628 (1) Å is also observed between two polyhalogenated benzene rings. The dichloro-substituted ring exhibits partial disorder over two sets of sites, with site-occupancy factors of 0.573 (3) and 0.427 (3).