Princess Anne's visit to Sri Lanka was the 4th most expensive trip by the Royal Family in 2023/24.

The most expensive trip by far was the King and Queen Camilla's five-day visit to Kenya in October and November 2023, which in total cost £166,557.

The King was also involved in the second and third most expensive trips on the list: a three-day state visit to France with the Queen in September 2023 (£117,942) and a solo two-day journey on the royal train in June 2023 to Pickering in North Yorkshire, to mark the centenary of the Flying Scotsman (£52,013).

According to the British media, the 4th most expensive trip was a six-day visit by the Princess Royal to Sri Lanka in January 2024, undertaken on behalf of the Foreign Office, with travel costs of £48,112.

Coming in at fifth, sixth and seventh on the list respectively are Prince William's day trip to Kuwait in December 2023 following the death of Emir Sheikh Nawaf al-Ahmad al-Sabah (£41,597), the King and Queen's visit to Northern Ireland in May 2023 (£32,976) and William and Princess Kate's trip to Marseille in October 2023 to watch the quarter-final of the Rugby World Cup (£30,975), the Daily Express reported.

There are 27 separate journeys by royal family members listed in the official report for 2023/24 where travel costs were at least £17,000, only eight of which involved the King.

The royal family made few foreign trips in the year to March 2024, perhaps reflecting a need to stay closer to home during a period in which both the King and the Princess of Wales spent time in hospital for cancer treatment, the Evening Standard reported.