He said: 'They like me a lot in the UK.
"I'd like to see them be able to work it out so it could go quickly".
Later, Mr and Mrs Trump will attend a black-tie dinner at Blenheim Place - the birthplace of Winston Churchill - in Oxfordshire, hosted by Theresa May.
"The Mayor of London gave the permission [for the blimp to fly] and, you know, it's disgusting and it should never have happened", he said.
Matthew Butcher, an anti-Trump campaigner and one of the "babysitters" of the balloon, said: "I think that the thing that the Trump balloon does is that it brings an element of fun to the protests, but it also gets under Donald Trump's very thin skin".
That business-friendly Brexit proposal was agreed by her cabinet only last Friday after two years of wrangling since Britons voted to leave the bloc in a 2016 referendum.
He's one of the most divisive presidents in U.S. history.
US threatened nations over breastfeeding resolution
The resolution as originally drafted placed unnecessary hurdles for mothers seeking to provide nutrition to their children. Critics charge that the United States delegation is unduly influenced by lobbyists for formula manufacturers.
"I'm going to a pretty hot spot right now, right?"
Trump was making his first trip to Great Britain as president after a tense summit with North Atlantic Treaty Organisation leaders in Brussels that began Wednesday and on the heels of ruptures in May's government because of the crisis over Britain's exit from the European Union.
On Friday, demonstrators are expected to gather near Chequers, the Prime Minister " s country residence, where Prime Minister May and President Trump will hold a working lunch.
The US president's brash style and hardline "America First" policies have caused consternation across Britain's political spectrum and society.
A high metal fence has been erected around the USA ambassador's central London residence where Trump will spend Thursday night.
"It is in the interests of the U.K.to stand up and take a firm moral stance", said Zoe Gardner, a researcher and spokesperson of the Stop Trump Coalition, which is organizing protests this week in cities across the country.
Mr Trump will spend the weekend in Scotland where he has two golf courses and plans to play at least once.