He will play defending champion Gilles Simon after the second-seeded Frenchman beat eighth-seeded Jose Acasuso of Argentina 4-6, 7-6 (4), 6-4 in a match lasting nearly three hours.
The sixth-seeded Moya, who reached the final in 1996, was more aggressive and appeared fresher than Gasquet despite winning a grueling three-set quarterfinal on Friday.
Gasquet was plagued by inaccuracy, winning less than a third of second-serve points and serving five double faults.
Moya springs to BCR Open Finals
WC Debate: Who Are The Greatest-Ever World Cup Nation?
Usain Bolt Is A Blanco
Moya, Simon reach final in Bucharest
