The 24-year-old tennis player from Russia beat China's Zheng Qinwen in the semifinal match in three sets with a score of 6:4, 1:6, 6:4.
Samsonova in the final will play with Olympic champion Tokyo Belinda Bencic from Switzerland.
The prize pool of the tournament is $780,000.
Earlier it was reported that the Russian tennis player Anastasia Potapova made it to the final of the tournament in Linz (Austria).