Mr Varadkar said there is a standing invitation for any USA president to come to Ireland and many have in the past.
The government needs to rebuild its relationship with the USA administration after President Trump postponed his November visit to Ireland over "scheduling issues", Micheál Martin has said.
"The President will go to Paris in November, as previously announced, and we still agree on whether Ireland stop on this trip".
Varadkar said then that Trump's decision to accept an open invitation "came a little bit out of the blue". "As details are confirmed we will let you know", Sanders said.
He was expected to visit his golf course in Doonbeg, Co Clare, and Dublin around the weekend of 10-11 November.
Less than two weeks ago Donald Trump announced he would return to Ireland to renew the deep and historic ties between our two countries.
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News of Trump's trip prompted several groups to announce they would be staging protests against his visit.
Two Independent Alliance ministers - Finian McGrath and John Halligan - had also pledged to take part in any public demonstrations during the visit.
But an Irish government spokesman said the trip had been "postponed".
Some opposition parties in Ireland had protested the trip taking place at all. Trump was originally meant to visit Colombia in April but scrapped the trip to remain in Washington and oversee military strikes in Syria.
He had been due in Ireland the following day.
"We will always be firm friends of the American people, but Ireland will not welcome a man with Trump's record of discrimination, sexism and lies", he said.
It was to be Mr Trump's first visit to Ireland since he assumed the office.