Satan used to have free access to heaven but he was kicked out of heaven when he was bound by our Lord Jesus Christ.No no no, sigh*, why on earth do people think Satan flitted from earth to heaven, the only verses they use to support it are ambiguous verses at the best which are the ones in Job.
There is another verse in Isaiah but it contradicts that Satan is fluttering up and down from heaven, because it points out that it is wrong for him to enter heaven. Fallen art thou o Lucifer... for you have said in your heart "I will ascend above the clouds" He is going to enter heaven at some time in the future from the writing of Isaiah...
Even in Job God asks Satan where have you been, Satan replied Going to and fro between Heaven and earth... Wait, no!! he did not say that!!! because he does not have access to heaven!... he Said "going to and fro upon the earth
lets look at Job and apply context
Job 1:1 There was a man in the land of Uz, whose name was Job; and that man was perfect and upright, and one that feared God, and eschewed evil. ON the Earth
Job 1:2 And there were born unto him seven sons and three daughters. On the Earth
Job 1:3 His substance also was seven thousand sheep, and three thousand camels, and five hundred yoke of oxen, and five hundred she asses, and a very great household; so that this man was the greatest of all the men of the east. On the Earth
Job 1:4 And his sons went and feasted in their houses, every one his day; and sent and called for their three sisters to eat and to drink with them. On the Earth
Job 1:5 And it was so, when the days of their feasting were gone about, that Job sent and sanctified them, and rose up early in the morning, and offered burnt offerings according to the number of them all: for Job said, It may be that my sons have sinned, and cursed God in their hearts. Thus did Job continually. On the Earth
Job 1:6 Now there was a day when the sons of God came to present themselves before the LORD, and Satan came also among them. On the Earth I believe simply that Job presented a sacrifice to the Lord and other sons of God came from around to do the same.
Job 1:7 And the LORD said unto Satan, Whence comest thou? Then Satan answered the LORD, and said, From going to and fro in the earth, and from walking up and down in it. On the Earth
Job 1:8 And the LORD said unto Satan, Hast thou considered my servant Job,(right here on earth presenting before the Lord) that there is none like him in the earth, a perfect and an upright man, one that feareth God, and escheweth evil?
How people apply that this gives Satan access to heaven is an enigma to me! even the day Satan was created He was in Eden, yes thats right, on the earth
And he said unto them, I beheld Satan as lightning fall from heaven.