Things have gone from bad to worse in recent weeks, as Mr Trudeau gambled on a double digit lead in the polls, which he thought would aid him in regaining the majority he lost in 2019.
Mr Trudeau called the vote two years early to seek approval for his left-of-centre government’s handling of the pandemic.
But Canadians have responded with overwhelming frustration.
A fourth wave of coronavirus cases has many questioning the need for an election given the huge amount of spending it requires, estimated to be around C$610 million.
Strong support has emerged for the opposition leader Erin O’Toole, who has painted Mr Trudeau as an egotistical premier after a power grab.