The visit will mark the first publicly known trip to the United Kingdom for Archie, 7, and Lilibet, 5, since June 2022.
Prince Harry struck a combative tone as he testified in his lawsuit against the publisher of the Daily Mail and disputed suggestions he was cozy with journalists who covered the royal family.
Tens of millions of dollars are on the line as Prince Harry returned to court Monday for the third and final chapter in his legal quest to tame the British tabloids.
This is the second time Harry has visited Ukraine since the start of Russia's full scale invasion in 2022. He made a trip to the western city of Lviv in April.
The meeting -- the first between the father and son in over one year -- took place as Harry was visiting the United Kingdom from his home in California for a series of engagements.