"You can't stay forever on a show," Behar told " Good Morning America." "I am graciously exiting stage left."
"I've put in 16 1/2 years and felt the time was right. I want to explore other opportunities," she said.
The comedian has been with the show since it premiered in 1997.
"Joy Behar has been instrumental in the success of 'The View' from the very beginning. We wish her all the best in this next chapter, and are thrilled that we have her for the remainder of the season," ABC said in a statement.
Behar currently hosts "Joy Behar: Say Anything!" on Current TV.
She previously hosted "The Joy Behar Show" on HLN.