Scott Disick and Sofia Richie Are with His Kids in Cabo ‘Having Fun in a Sun,’ Source Says

Scott Disick and Sofia Richie are vacationing in Cabo — yet they’re not alone.

A source tells PEOPLE that Disick, 34, brought his 3 kids with ex Kourtney Kardashian on a trip: Mason, 8, Penelope, 5, and Reign, 3.

“Scott, Sofia and his kids flew to Cabo San Lucas around private jet,” says a source, who records that a organisation is staying during a luxury Chilean Bay review residences.

According to a insider, they’re “having fun in a sun” and are spending time “swimming in a pools and enjoying a resort.”

On Monday, Richie common a print of a integrate boarding a stairs to their private jet.

“My [heart],” she captioned a shot.

Disick and a indication also common photos and videos of Richie’s new puppy on a plane, yet conjunction documented Disick’s children being there.

Disick and Richie, who is also a family crony of a Kardashian-Jenners, have been officially dating since final Sep after initially sparking intrigue rumors in May.

Last month, a source told PEOPLE that Disick’s ex Kardashian, 38, didn’t conflict positively to a news during first.

“Like many people, she thinks Sofia is approach too immature for him and doesn’t get it,” pronounced a source.

RELATED: Sofia Richie and Scott Disick Enjoy Date Night After Kendall Jenner Shades Their Age Gap

According to a source, Kardashian — who is now enjoying a vacation of her own with her boyfriend, 24-year-old Younes Bendjima — found out “early on” that her ex had changed on with Richie but insincere it was only a fling.

“Kourtney didn’t consider it would final and she never suspicion Sofia was going to accommodate her kids,” pronounced a source. “But now, Sofia spends a lot of time during Scott’s, so Kourtney authorised her to accommodate a kids. She has met them a few times. For a while, a kids didn’t see their father on a unchanging basis. It was really sad, since they missed him. Now, Scott sees his kids each week.”

As for Disick? He thinks it’s “kind of flattering” that people care about his adore life.

“It’s not like I’m insane about it,” he told PEOPLE final week while hosting a celebration during Jewel nightclub in Las Vegas. “Everybody’s disturbed about something. Everybody is disturbed about other people’s things, so it’s fine.”