Rishi Sunak racked up a £38,500 bill jetting between Tory party events in Wales and Scotland.
The latest register of member's interest show the Prime Minister and his eight-strong entourage were flown to the Scottish and Welsh Conservative conferences by private plane on April 28.
The luxury air travel was funded by Tory donor Akhil Triapathi, according to Mr Sunak's declaration in the register.
