According to the results of two rentals, the Russian duo scored 229.48 points - 80.14 for the short and 149.34 for the free program.
Thanks to victories at stages in Canada and Russia, Boykova and Kozlovsky reached the final of the Grand Prix series, which will be held in Turin from December 5 to 8.
The second place was taken by another Russian couple - Evgenia Tarasova and Vladimir Morozov - who scored 216.77 (76.81 + 139.96) points.
The three winners were closed by the German duet Minerva Fabienne Hase and Nolan Siegert - 186.16 (67.74 + 118.42) points.
After a short program, Russians Ksenia Stolbova and Andrei Novosyolov, who took third place, became fifth - 177.51 (68.74 + 108.77) points.
Earlier it was reported that Alexander Trusova won the Grand Prix stage in Moscow.