He is newly single after his ex-girlfriend Amelia Hamlin called off their relationship earlier this month.
The reality star, 38, who shares his kids with his ex Kourtney Kardashian, cut a casual figure in a white jumper and dark green trousers.
Outing: Scott Disick enjoyed a family day out as he attended the opening of The Sugar Factory Las Vegas alongside his children Mason, 11, Penelope, nine, and Reign, six
Scott also sported a pair of white trainers for the outing while he wore his hair slicked back.
Penelope was dressed in a light pink patterned dress while Mason and Reign both sported black T-shirts and jeans.
It emerged earlier this month that Amelia split from Keeping Up With the Kardashians star Scott.
The pair were first romantically linked in October last year but an insider told Us Weekly: 'Amelia was the one who ended things.'
Family: The reality star, 38, who shares his kids with his ex Kourtney Kardashian, cut a casual figure in a white jumper and dark