The country superstar was onstage performing at the Route 91 Harvest music festival when the gunfire began.
Aldean was scheduled to perform Saturday at Mattress Firm Amphitheatre in Chula Vista.
“I feel like out of respect for the victims, their families and our fans, it is the right thing to do. It has been an emotional time for everyone involved this week, so we plan to take some time to mourn the ones we have lost and be close with our family and friends,” Aldean said in a statement.
Refunds are available at the point of sale.
He plans to resume his tour in Tulsa, Oklahoma on October 12.
Continuing Coverage: Las Vegas Massacre