Nick Dunn from Ashington, Northumberland, was greeted by loved ones at Newcastle Airport on Thursday.
The six British men were imprisoned in 2013 when officials found weapons and ammunition on a ship that they had been guarding against piracy in the Indian Ocean.
After years of campaigning for their release, they won an appeal against their convictions last week and were granted permission to be released.
Mr Dunn said that he was “on cloud nine” and thanked his sister who he said had made his release possible.
"So much is down to my amazing sister. She kept me going for four years, writing in her letters keep going, keep going, keep going.” He said
"It's four Christmases rolled into one, I have missed four of them so I am going to have the best Christmas ever.
"I would always visualise walking through those doors but today is nothing like that at all. I'm just overwhelmed, ecstatic, I'm the happiest man alive." Mr Dunn continued.
He joined Bill Irving from Connel, Argyll who returned to the UK on Wednesday landing in Glasgow.
Ray Tindall was met by friends and family in Chester on Thursday.
John Armstrong from Wigton, Cumbria, Nicholas Simpson from Catterick, North Yorkshire and Paul Towers from Pocklington, East Yorkshire were also all expected to land on Thursday.
Upon learning about the Chennai Six’s release, Foreign Secretary Boris Johnson said on Wednesday:
"It is wonderful news that the men are returning to the UK.
"The Foreign Office has worked unstintingly on this case, lobbying on the men's behalf, visiting them in prison, updating their families and maintaining close contact with their legal team.
"I pay tribute to those who have campaigned for the men, who will be delighted to see them return home after being separated for so long."
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