A Kiwi and five Australians could be landed with a hefty fine after a bloody mid-flight brawl which caused their plane to be diverted.

New Zealander Lynmin Waharai was among the group who allegedly became embroiled in a drunken fracas on a Jetstar flight from Sydney to Phuket in Thailand, forcing the pilot to divert the flight to Bali in Indonesia.

News.com reported that the group will not face charges or other sanctions in Indonesia, however, the airline has not ruled out forcing them to pay for the disruption.

The cost of diverting a large commercial flight can stretch into the tens of thousands of dollars.

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The website reported that three of the men had been flown to Melbourne, escorted by Jetstar officials.

Waharai and two others were due to arrive in Sydney this morning after boarding a flight in Bali last night. They were also being escorted by Jetstar staff.

The five other men involved are reportedly Australians Brad Beecham, Michael Matthews, Ricky Longmuir, Mark Rossiter and Brett Eldrige.

The General Manager at Bali's Ngurah Rai Airport, Trikora Harjo, previously told News Corp Australia that the airport had received a report from Jetstar that there were "unruly passengers fighting in the cabin" and the pilot had decided to divert the plane to Bali.

Harjo said the men were found to be drunk.