The Premier League will publish its schedule on Friday, 19 June, at 10am, while the season gets underway over the weekend of Saturday, 22 August.
Meanwhile, fixtures for the Championship will be announced on Thursday, 25 June at 12pm. The Carabao Cup round one draw will also take place.
Clubs in the second tier will begin their season earlier, with the opening round of matches taking place across the weekend of 14-16 August.
Saints are currently in the Championship but are looking to secure promotion back to the Premier League, either automatically or via the play-offs.