The former world No.1 resumed his campaign at the Laver Cup last week after missing the North American swing because of his refusal to be vaccinated against COVID-19.
The Israeli tournament is low key but Djokovic has achieved his aim of playing matches and is yet to drop a set, seeing off Russian Roman Safiullin 6-1 7-6 (7-3) in their semi-final on Saturday.
Djokovic will now look to add to his titles this season in Rome and at Wimbledon when he contests his 127th tour-level final.
Second seed Cilic advanced to the decider with a 7-5 6-3 semi-final win over world No.68 Constant Lestienne and is still seeking his first title of 2022.
Djokovic leads the Croatian 18-2 in head to head tour clashes.
It's always a fantastic challenge to play Novak," said Cilic. "No matter the tournament, he is always an unbelievable competitor and always gives his incredible best.
"We first played in (2008) and we've known each other since we were 14 years old so it's going to be another great match, and great for both of us to get in shape for the rest of the season."
At the Sofia Open, top seed Jannik Sinner's bid to win the title for a third year in a row ended when he retired one game from defeat in his semi-final against young Dane Holger Rune.
The 19-year-old had turned the contest around after losing the opening set when Sinner called it a day trailing 5-7 6-4 5-2.
In the final he will take on first-time ATP Tour finalist Marc-Andrea Huesler from Switzerland, who defeated Italian Lorenzo Musetti.
The final of the Korea Open in Seoul will pit fourth seed Denis Shapovalov against Japan's Yoshihito Nishioka.
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