Overseas visitors to the UK fell by 2% during January year-on-year to 2.4m, according to the latest figures published by the Office for National Statistics.
Earnings from the visitors were also down by 11% to £1.3b.
However, the overall trend is up, with figures from the latest 12 months showing an overall increase of 5% in the number of overseas visitors, with spending up 2% to £21.5b.
Between November 2014 and January 2015, 7.4 million travellers from abroad (up 2%) came to the UK, although the amount they spent during that period remained static at £4.5m.
Meanwhile, the number of UK residents traveling abroad in January increased 2% year-on-year to 3.9 million but spending was down 5% to £2.3b. In total, during the latest 12 months, 61 million visits were made overseas by UK residents, spending a total of £35.9b (up 2%).