Next year's men's and women's FA Cup finals will take place at Wembley over the same weekend for the first time.
The 2021-22 women's competition is set to begin on 15 August with the delayed 2020-21 competition not due to finish until 5 December.
Manchester City are the holders of the women's FA Cup while Leicester City won this year's men's title.
Manchester City take on Leicester in the women's quarter-final on 29 September with Gareth Taylor's side aiming to win the competition for the third year in a row.
"The Vitality Women's FA Cup Final is one of the biggest occasions in the women's football calendar and an opportunity to showcase the very best players at one of the most famous venues in world football," said FA director of the women's professional game Kelly Simmons.