"Support is unanimous", the house chairman, Vyacheslav Volodin, said following the vote.
The house's international affairs committee also unanimously upheld the withdrawal from the treaty on Tuesday.
The Open Skies Treaty, signed in 1992, allows member states flying over each other's territories to observe military activity and regulates the conduct of such flights.
Russian Air Force Tupolev Tu-214ON which will be operated under the Open Skies treaty
However, in May 2020, the US launched withdrawal procedures, leaving the accord on 22 November. In response to this step, Moscow announced on 15 January 2021 that the Russian Federation would also start withdrawal procedures in order to leave the treaty.
