His Majesty was also involved in the second most expensive trip on the list, which cost £80,139 despite being close to home.

Among these, the most expensive expedition was an 11-day visit by the King and Queen to the Commonwealth Heads of Government ...

These included the most expensive trip during the period, the 11-day visit by Charles and the Queen to the Commonwealth Heads ...

The third most expensive trip was a visit by the Prince of Wales to Estonia in March 2025, the cost of which included two earlier journeys by staff for planning purposes, and which added up to £ ...

The third most expensive trip was a visit by the Prince of Wales to Estonia in March 2025, the cost of which included two earlier journeys by staff for planning purposes, and which added up to £ ...

The royal family made more foreign trips in the year to March 2025 than in the previous 12 months, with both the pace and range of engagements picking up after a period overshadowed by the King ...