Controversial far-right activist Lauren Southern has had her visa application rejected a day ahead of flying out to start a speaking tour of Australia.

The Canadian YouTube figure earlier threatened to cause 'chaos' during a tour alongside fellow firebrand Stefan Molyneux in capital cities throughout July.

But hours before her departing flight, she received a message from the Australian Visa Bureau advising her she was 'not eligible' to enter the country, Daily Telegraph reported.

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Controversial far-right activist Lauren Southern (pictured) has had her visa application to Australia rejected a day ahead of flying out to start her speaking tour

Hours before her departing flight, she received a message (pictured) from the Australian Visa Bureau advising her she was 'not eligible' to enter the country

She was told her application for the Australian Electronic Travel Authority was denied and asked to consider a Visitors Visa.

'Dear Lauren, I write with regards to your recent application for the Australian ETA. The Australian High Commission have advised that you are not eligible for this service,' the message read.

'You may wish to consider applying for a Visitors Visa (Subclass 600) with the Australian Government at www.homeaffairs.gov.au.'

Southern was set to host ticketed speaking events alongside the alt-right preacher and arrive ahead of schedule in order to assess politics and culture 'on the ground', news.com.au reported.

She has not revealed whether those who have already bought tickets will be refunded or if she will plan a tour for later in the year.

Daily Mail Australia has contacted Southern for comment on the matter.

She was told her application for the Australian Electronic Travel Authority was denied and asked to consider a Visitors Visa

Southern, a journalist-turned independent commentator, said she planned to investigate Australia's immigration 'crisis' given she was no 'expert on Australian politics'.

She has remained tightlipped on her exact plans for the trip, naming 'security reasons' for not wanting to give too much away.

'I can tell you I hope to cause chaos in a good way as I have every other country I've gone to,' she said.

Tickets to the speaking events were to set attendees back $79 for basic general admission, with the option to pay an additional $20 for seat preference.

To meet the pair for a 30 minute meet-and-greet people could pay $199, or to spend 45 minutes with them they could pay $499.

Fans could take the meeting to the next level and dine with the speakers too, but only if they were willing to part with $749.

The Canadian YouTube figure (right) earlier threatened to cause 'chaos' during her tour alongside Stefan Molyneux in capital cities throughout July

Southern was set to host ticketed speaking events alongside the alt-right preacher and arrive ahead of schedule in order to asses politics and culture 'on the ground'

Her tour comes six months after controversial all-right commentator Milo Yiannopoulos faced hundreds of protesters during his Australian tour.

Southern said she was preparing to face a similar backlash when she arrived in the country, but believed the 'joy would outweigh the hate'.

Southern was banned from entering the UK in March for distributing 'racist material'.

She was forcibly stopped by the police when she distributed 'racist' flyers which read 'Allah is a Gay God', and 'Allah is Trans'.

Southern's UK ban came three years after she ran as a Libertarian Party candidate in the Canadian federal election.

Southern was banned from entering the UK in March for distributing 'racist material'

She was dumped by the party after she joined a 'Slutwalk' protest wearing a sign that read: 'There is no rape culture in the West'.

She has also caused a stir with a number of unorthodox stunts in recent years.

Southern announced she was transitioning to become a man but later said it was a stunt used as part of her argument that there should be only two genders.

She also actively campaigned against the Black Lives Matter movement, claiming the movement caused more deaths than the Ku Klux Klan.