https://archive.fo/o2Pcm#selection-5743.0-5743.64
"A standard U.S. Immigration and Customs Enforcement flight costs $8,500 per flight hour, according to a government webpage. Former ICE officials told the Journal the figure is closer to $17,000 per flight hour for international trips.
It costs $28,500 per hour to fly a C-17, which is designed to carry heavy cargo and troops, according to U.S. Transportation Command, which provided the aircraft. "