Christians, where does it say people go to Heaven if they are "saved"?

Where does the bible say that "saved" people will live in "heaven" as a reward? I cannot find this phrase. Paul claims that he knew someone that claimed to have gone to a heaven, since apparently there are many, but even Paul is unsure of the details or whether the guy really went to a heaven or dreamt it. So once again, where does the bible say that people will live in heaven if they are "saved" ? Also, keep in mind that the kingdom of heaven/kingdom of God refer to the state of being saved and to the future age where a jew of the lineage of david will reign as king in Israel, and not to a place as "God" isn't a place. I would just like a verse that says something along the lines of "saved people go to heaven".