Born in Montreal, Lortie made his debut with the Montreal Symphony Orchestra at the age of thirteen and the Toronto Symphony Orchestra three years later. Soon after he toured the People’s Republic of China and Japan.
Lortie's major piano instructors were Yvonne Hubert and Marc Durand in Québec, Dieter Weber in Austria and Menahem Pressler and Leon Fleisher in the US.
Throughout his career, Lortie has collaborated with conductors including Thomas Adès, Francesco Angelico, Andrea Battistoni, Stephan Blunier, Andrei Boreyko, Ricardo Chailly, Michael Christie, Thomas Dausgaard, Andrew Davis, Augustin Dumay, Charles Dutoit, Michal Dworzynski, Mark Elder, Thierry Fischer, Edward Gardner, Paavo Jarvi, Grant Llewellyn, Yannick Nézet Séguin, Thomas Sondergard, Robert Spano and many more.
He has also appeared as a soloist with the BBC Philharmonic, Cleveland Orchestra, Orchestre National de France, Calgary Symphony, Toronto Symphony, Atlanta Symphony, Vancouver Symphony, Milwaukee Symphony, Netherlands Radio Orchestra, the Warsaw Philharmonic, the BBC Scottish, Gewandhaus Leipzig, Concertgebouw Orchestra, Dallas Symphony, Baltimore Symphony, Seattle Symphony Orchestra, Dresden Philharmonic, Taiwan National Symphony, Chicago Symphony, BBC Symphony, Bournemouth Symphony, Bonn Beethoven Orchestra, Hong Kong Philharmonic, Rotterdam Philharmonic, Montreal Symphony, Quebec Symphony, Prague Philharmonia, Bern Symphony Orchestra, Detroit Symphony Orchestra, and the Philadelphia Orchestra.
- Camille Saint-Saëns, Complete piano concertos n°1, n°2, n°3, n°4, n¨5, Allegro appassionato Op.70 & Rapsodie d'Auvergne Op.73, Louis Lortie, piano, BBC Philarmonic, conductor, Edward Gardner . 2 CD Chandos 2018-2019
- Frédéric Chopin, "The Complete Études, Op. 10, Op. 25, Trois Nouvelles Études," Louis Lortie, piano. CD Chandos 8482
Lortie won First Prize in the Ferruccio Busoni International Piano Competition in 1984. In the same year, he won the fourth place prize at the Leeds Competition. He was named an Officer of the Order of Canada, and was made a Knight of the National Order of Quebec as well as receiving an honorary doctorate from Université Laval.
- "Louis Lortie". LouisLortie.com. Archived from the original on 20 October 2018. Retrieved 14 March 2018.
- Jean-Pierre Thiollet, 88 notes pour piano solo, Neva Editions, 2015, "Solo nec plus ultra", p. 52.ISBN 978-2-3505-5192-0
- "Louis Lortie". The Canadian Encyclopedia. Retrieved 23 January 2020.
- "Louis Lortie – pianist". victoriarowsell.co.uk. Retrieved 19 June 2019.
- "Soloists 17/18 | Chapelle Musicale Reine Elisabeth". musicchapel.org. Retrieved 14 March 2018.
- "The Artists of LacMus Festival 2017". LacMus Festival. Retrieved 14 March 2018.