The 21-year-old from Switzerland beat second seed Petra Kvitová in three sets.
Belinda Bencic's fairytale run in Dubai is complete.
She upset 2013 winner Kvitová 6-3, 1-6, 6-2 in the finals of the Dubai Duty Free Tennis Championships.
Earlier in the day it was number three seeds Barbora Strycova and Hsieh Su-wei who defeated Lucie Hradecka and Ekaterina Makarova to win their second doubles title together in the emirate.

Pegula wins thriller at WTA Finals, Gauff eliminated
Norway says Russian, Belarusian athletes barred from competitions it hosts
Roberto Carlos, Fernando Hierro join Fursan Hispania FC as shareholders
Italy seal dominant win over France as Kane sets England appearance record
Luiten leads the way at DP World Tour Championship
