Campbell also secured top spot in the standings for the final two Cup rounds – called a cluster – in Kazan and Doha to receive an additional $A73,000 in prize money.
She also won the Cup cluster in October, snapping up another $A73,000, and was second in cluster one, to add another $51,000.
Cash prizes in individual World Cup events are also on offer with $A2200, $A1450 and $A725 handed out to the top three place-getters respectively.
Campbell was not done yet as she anchored Australia to gold in the mixed 4x100m medley relay to close out the meet and share the winner’s prize of $A4350.
She has also scooped $A23,500 over just two legs of the 25m, short course International Swimming League this year.
Meanwhile, Emily Seebohm clinched her fourth 200m backstroke victory in seven World Cup races in 2:08.54 to pip fellow Australian Kaylee McKeown by 0.02.
Brad Woodward took silver behind American Michael Andrew in the 100m backstroke while Alex Graham was second to Danas Rapsys of Lithuania in the 200m freestyle.