But after a 50-minute meeting with Theresa May during the G20 summit at the weekend, the President insisted he "will be going to London".
Donald Trump will now visit the United Kingdom next year, it has been reported.
Confirmation of Mr Trump's visit had been expected in last month's Queen's Speech, in which the Queen set out her official plans for the year.
Mrs May went to see Mr Trump at the White House within days of his inauguration earlier this year.
While Theresa May continues to insist she is staying put in Downing Street, the timing of the visit may depend on how long she survives as Prime Minister.
Prime Minister Theresa May invited the USA president to Britain in January during their first meeting in Washington, when the two leaders hailed the beginning of a new "special relationship" between the countries.
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The President launched into a tweet storm criticizing the mayor during a June 3 terror attack in which eight people were killed.
He owns the championship course of Turnberry in Ayrshire, host to countless British Opens, and another in Aberdeenshire which is due to stage the Scottish Open in 2019.
The Speaker of the House of Commons previously said he was "strongly opposed" to allowing Donald Trump to address members of parliament during the U.S. president's state visit later this year.
Trump, visiting Germany last week, committed to visit London during his Presidency.
When he does make a state visit, the President will reportedly look for the royal treatment.