Porter finds the travelling tiring but he loves it.
"It's a really good experience but it takes a big toll on your body."
He has learned to pack light to pass swiftly through Customs - apart from when he first flew across to settle into his weekend "second home" at the start of the year.
Playing at the Roosters has let him rub shoulders with some of the code's elite, including another Mt Albert old boy, Sonny Bill Williams.
Roosters recruitment manager Peter O'Sullivan said Porter was a "cracking kid" who ticked every box.
"We fly him over on a weekly basis on the proviso his grades don't suffer. As it happens, they've got better."
Said mum Marion Porter: "It was either going to work or not and this is a good way to find out."
Her one regret is missing her son's matches.