He was set to appear at the Blanchardstown District Court this morning but didn't show up at hte start.
The judge told McGregor's legal representative Graham Kenny that the "next time" a bench warrant would be issued.
The Dubliner arrived at court to accept his fine in the afternoon.
The spokesperson also confirmed that the UFC star was charged after he was caught breaking the country's 100kph (60mph) national speed limit while traveling on the N7 in County Dublin on March 31. He was given two months to pay and was told he could pay in installments. McGregor said "Come and get me!".
"I apologise and I'll pay the fine", McGregor replied.
When Mr Kenny again invited the judge to deal with the case in Mr McGregor's absence on the basis that he was pleading guilty, the judge said: 'Mr McGregor will have to be here.
Conor McGregorMichael Reaves Getty
Judge Walsh said that if McGregor wanted to make an argument, he would have to there in person. I'm sorry but this is absolute disrespect to the court.
According to his lawyer, Mr. McGregor entered into a guilty plea, agreeing to pay the amount specified by the fine.
And she added: 'You can tell him about my ire in relation to the matter.
On Thursday, Conor McGregor made a spectacle at an otherwise routine traffic court appearance, because he's Conor McGregor and he makes a spectacle pretty much everywhere he goes, whether it's at a local bar or a fight he wasn't even in.
He was wearing a matching pair of green Adidas jogging bottoms and sweatshirt along with white trainers.
"This is like a broken record", said Judge Walsh, referring to the fact that it was McGregor's third time failing to appear regarding the charges. If that is not paid within 28 days, the fine increases to €120 (£105).More news: Pence says Trump 'actively considering' embassy move in Israel
More news: Russian weather satellite fails to enter orbit after launch
More news: Stay Neutral or Else! Lebanese PM Hariri Issues Stern Warning to Hezbollah