Cyril of Jerusalem

Having been bound, Christ went from Caiaphas to Pilate; is this also written? Yes: "And having bound him, they led him away as a present to the King of Jarim." But some keen listener will object: "Pilate was not a king." (Let us pass over for the time the main points of the inquiry.) "How then, having bound him, did they lead him as a present to the king?" But read the Gospel: "Pilate, hearing that he was from Galilee, sent him to Herod; for Herod was then king and was present in Jerusalem." Notice the exactness of the prophet, for …

Catechetical Lecture 13:14 ↗

Theophylact of Ohrid

Pilate sends the Lord to Herod, in fulfillment of the Roman law commanding that each person be judged by the ruler of his province. Therefore he sends Jesus, as a Galilean, to the governor of Galilee.

Commentary on Luke ↗

Bede

But Pilate, hearing of Galilee, asked if the man were a Galilean. And when he knew that he was under Herod's jurisdiction, he sent him to Herod, who was also in Jerusalem in those days. Pilate, indeed, lest he be forced to sentence him, whom he knew to be innocent and handed over out of envy, sent him to Herod to be heard, so that he would rather absolve or punish him, who was the Tetrarch of his homeland: truly, by divine Providence, lest any excuse remain for the Jews, as if they had not crucified Christ but the Romans, Herod also, …

On the Gospel of Luke ↗

Bonaventure

But Pilate, hearing, etc. After the accusation before the governor has been described, here he describes the order of the accusation before Herod; for whose orderly description four things are introduced, namely the caution of Pilate evading, the curiosity of Herod questioning, the wickedness of the people accusing, and the stupidity of the ruler despising. First therefore, as regards the caution of Pilate evading, he says: But Pilate, hearing "Galilee," asked whether the man was a Galilean. …

Commentary on Luke, Chapter 23 ↗