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It looks like Conrad Hilton will actually face the consequences for his airplane meltdown.

The hotel scion and petulant younger brother of Paris and Nicky agreed to plead guilty to one count of simple assault — “intentionally using a display of force that reasonably caused a person to fear immediate bodily harm” — on Feb. 23, GQ reported Tuesday.

Hilton, who turned 21 on Tuesday, faces a maximum of six months behind bars followed by a year of supervised release and a fine of $5,000, according to the magazine. He is set to be arraigned on Thursday.

The plea deal traces back to the hotel heir’s freakout aboard a London-to-Los Angeles British Airways flight last July.

According to court documents, Hilton turned into every passenger’s worst nightmare soon after takeoff, stalking the plane’s narrow aisles, picking fights with the crew and stuffing a smoke detector with paper towels so he could get high in the bathroom.

“I will f–king own anyone on this flight; they are f–king peasants,” the bratty 20-something is said to have informed his fellow passengers at one point.

He also made clear to anyone who was listening that this was not the first time he’d spent a flight acting like a self-entitled horror.

“I could get you all fired in five minutes. I know your boss! My father will pay this out. He has done it before. Dad paid $300,000 last time,” he allegedly blurted out during a confrontation with the crew.

Hilton turned himself in to FBI agents at the beginning of last month.