Malachi 4:5

Behold, I send you Elijah the prophet before the coming of the great and terrible day of the LORD:

Luke 1:17

And he shall go before him in the spirit and power of Elijah to turn the hearts of the fathers to the children and the rebellious to the prudence of the just, to make ready a prepared people for the Lord.

Joel 2:31

The sun shall be turned into darkness and the moon into blood before the great and the terrible day of the LORD comes.

Malachi 3:1

Behold, I send my messenger, and he shall prepare the way before me; and the Lord, whom ye seek, shall suddenly come to his temple, and the angel of the covenant, whom ye desire: behold, he comes, said the LORD of the hosts.

Isaiah 40:3

The voice of him that cries in the wilderness, Prepare ye the way of the LORD; make straight in the desert a highway for our God.

Malachi 4:1

For, behold, the day comes that shall burn as an oven; and all the proud, and all that do wickedly shall be stubble; and the day that comes shall burn them up, said the LORD of the hosts, that it shall leave them neither root nor branch.

Matthew 17:10-13

Then his disciples asked him, saying, Why then do the scribes say that Elijah must come first?

Mark 9:11-13

And they asked him, saying, Why do the scribes say that Elijah must first come?

John 1:21

And they asked him, What then? Art thou Elijah? And he said, I am not. Art thou the prophet? And he answered, No.

Revelation 6:17

for the great day of his wrath is come, and who shall be able to stand before him?

Matthew 11:13-14

For all the prophets and the law prophesied until John.

Matthew 27:47-49

Some of those that stood there, when they heard that, said, This man calls for Elijah.

Luke 7:26-28

But what went ye out to see? A prophet? Yea, I say unto you, and much more than a prophet.

Luke 9:30

And, behold, two men talked with him, who were Moses and Elijah,

John 1:25

And they asked him and said unto him, Why dost thou baptize then if thou art not the Christ, nor Elijah, nor the prophet?

Acts 2:19-20

and I will show wonders in heaven above, and signs in the earth beneath: blood, and fire, and vapour of smoke;

Treasury of Scripture Knowledge

Summary

Behold, I will send you Elijah the prophet before the coming of the great and dreadful day of the LORD:

Bible References

I will

Malachi 3:1
Behold, I send my messenger, and he shall prepare the way before me; and the Lord, whom ye seek, shall suddenly come to his temple, and the angel of the covenant, whom ye desire: behold, he comes, said the LORD of the hosts.
Isaiah 40:3
The voice of him that cries in the wilderness, Prepare ye the way of the LORD; make straight in the desert a highway for our God.
Matthew 11:13
For all the prophets and the law prophesied until John.
Matthew 17:10
Then his disciples asked him, saying, Why then do the scribes say that Elijah must come first?
Matthew 27:47
Some of those that stood there, when they heard that, said, This man calls for Elijah.
Mark 9:11
And they asked him, saying, Why do the scribes say that Elijah must first come?
Luke 1:17
And he shall go before him in the spirit and power of Elijah to turn the hearts of the fathers to the children and the rebellious to the prudence of the just, to make ready a prepared people for the Lord.
Luke 7:26
But what went ye out to see? A prophet? Yea, I say unto you, and much more than a prophet.
Luke 9:30
And, behold, two men talked with him, who were Moses and Elijah,
John 1:21
And they asked him, What then? Art thou Elijah? And he said, I am not. Art thou the prophet? And he answered, No.

General references

Zechariah 14:1
Behold, the day of the LORD comes, and thy spoil shall be divided in the midst of thee.
Matthew 11:10
For this is he of whom it is written, Behold, I send my messenger before thy face, who shall prepare thy way before thee.
Mark 9:11
And they asked him, saying, Why do the scribes say that Elijah must first come?
Acts 2:19
and I will show wonders in heaven above, and signs in the earth beneath: blood, and fire, and vapour of smoke;