Hodson, 22, has been a regular for the Laides since progressing through the youth setup, making 56 appearances and scoring twice, while goalkeeper Flaherty, who signed for Scott Rogers’ side from Hibernian in 2016, made her Reds debut in last week’s 5-1 Continental Tyres Cup victory over Aston Villa.
England U19 international Fletcher has made four appearances for the club Reds since her debut against Chelsea Ladies, while winger Johnson has made 12 appearances and scored her first goal in the 6-0 drubbing of Sheffield FC Ladies earlier this season.
Ladies manager Scott Rogers spoke of his delight at securing the future of the quartet, commenting: "I am delighted that Ashley has agreed to sign a new deal with the club.