The Israeli, 25, made his first appearance since late November during the Hoops' 2-0 win over Dundee United at the start of the month.
Kayal now intends to stay fit and enjoy the Scottish champions' final five games of the season.
"It's a great feeling and I'm so happy as I worked really hard for three or four months after a long injury to try and come back to my best," he told the club's official website.
"I was delighted to play a full game for the first time in a while and try to help my teammates, and now I want to enjoy the rest of the season.
"We work hard in training all the time and do extra work with the fitness coaches which helps me, but I need games to get my fitness up again. We have five games left and hopefully I can play all of them."
Celtic return to league action on Saturday when they make the trip to Motherwell.