Aine Lawlor joined RTÉ in September 1984 as a trainee journalist, working on a number of radio and television programmes. She then became a reporter/presenter in January 1988, eventually leading to her becoming a presenter on Morning Ireland which she joined in 1995 and presented for over 17 years.

She has worked on The Pat Kenny Show, Today at 5, RTÉ 2fm News and a variety of television programmes, including The Nature of Things, Tuesday File and as narrator for the highly-acclaimed series on clerical sexual abuse in Irish institutions, States of Fear. 

She was awarded Best News Broadcaster of the Year at the prestigious PPI Radio Awards in October 2012 and went on to be inducted into the PPI Hall of Fame in 2014. 

In August 2013, she joined RTÉ's flagship lunchtime radio news programme News at One as alternating presenter and was also appointed as presenter of The Week in Politics on RTÉ One television. 

In November 2013, she presented a two-part documentary Facing Cancer which followed her as she re-traced the steps of her journey to overcome breast cancer. She has also recently presented Big Week on the Farm, Ploughing Live and Bloom Live on RTÉ One. 

In October 2020, Áine returned to Morning Ireland in the midst of the Covid-19 pandemic.

She is married to Ian Wilson, and they have four children.