Exiting the same flight, Kutcher, 35, and Moore, 50, were dressed casually in sweater cardigans, with Moore sporting leggings layered underneath a dress, and Kutcher in jeans and a baseball cap.
The pair had been attending a tech conference, E! reports, related to their organization Thorn, which works to defend children against online predators.
According to the organization’s website, the group continues the work started by the Demi and Ashton (DNA) Foundation in 2009.
While the pair are still legally married, Kutcher has been getting serious with That ’70s Show costar Kunis, who was at the Toronto International Film Festival on Monday night for the premiere of Third Person.