| July 1, 2019 | Flames sign Byron Froese |
| July 1, 2019 | Flames sign Brandon Davidson |
| July 1, 2019 | Flames sign Cam Talbot |
| June 13, 2019 | Flames sign Eetu Tuulola |
| May 10, 2019 | Flames sign Alexander Yelesin |
| May 7, 2019 | Flames sign Carl-Johan Lerby |
| April 20, 2019 | Flames sign Martin Pospisil |
| April 17, 2019 | Flames recall 10 players from Stockton |
| April 9, 2019 | Flames sign Artyom Zagidulin |
| April 9, 2019 | Flames recall Jon Gillies from Stockton |
| April 3, 2019 | Flames recall Dillon Dube from Stockton |
| April 1, 2019 | Flames recall Juuso Valimaki from Stockton |
| March 21, 2019 | Flames assign Curtis Lazar to Stockton |
| March 19, 2019 | Flames sign Luke Philp to entry-level contract |
| March 18, 2019 | Flames recall Curtis Lazar from Stockton |
| March 10, 2019 | Flames recall Alan Quine from Stockton |
| March 9, 2019 | Flames assign Curtis Lazar to Stockton |
| March 5, 2019 | Flames loan Michael Stone to Stockton |
| February 25, 2019 | Flames acquire Oscar Fantenberg from LA |
| February 9, 2019 | Flames assign Rinat Valiev to Stockton |
| February 2, 2019 | Flames recall Rinat Valiev from Stockton |
| January 30, 2019 | Flames recall Andrew Mangiapane from Stockton |
| January 22, 2019 | Flames assign Andrew Mangiapane and Juuso Valimaki to Stockton |
| January 6, 2019 | Flames assign Jon Gillies and Dillon Dube to Stockton |
| January 2, 2019 | Flames recall Jon Gillies from Stockton |
| December 29, 2018 | Flames recall Dillon Dube from Stockton |
| December 28, 2018 | Flames assign Alan Quine to Stockton |
| December 21, 2018 | Flames assign Buddy Robinson to Stockton |
| December 20, 2018 | Flames recall Buddy Robinson and Ryan Lomberg |
| December 16, 2018 | Flames recall Kerby Rychel from Stockton |
| December 14, 2018 | Flames recall Jon Gillies from Stockton |
| December 10, 2018 | Flames recall Ryan Lomberg from Stockton |
| December 9, 2018 | Flames recall Anthony Peluso from Stockton |
| December 8, 2018 | Flames recall Rinat Valiev from Stockton |
| December 8, 2018 | Flames recall Alan Quine from Stockton |
| November 29, 2018 | Flames recall Andrew Mangiapane from Stockton |
| November 29, 2018 | Flames assign Dillon Dube to Stockton |
| November 23, 2018 | Flames recall two from Stockton |
| November 20, 2018 | Flames assign Dalton Prout to Stockton |
| November 12, 2018 | Flames assign Anthony Peluso to Stockton |
| November 7, 2018 | Flames recall Anthony Peluso from Stockton |
| October 25, 2018 | Flames activate Travis Hamonic from IR |
| October 6, 2018 | Flames recall Anthony Peluso from Stockton |
| October 5, 2018 | Flames assign Curtis Lazar to Stockton |
| October 5, 2018 | Flames recall Rasmus Andersson from Stockton |
| October 1, 2018 | Flames acquire Rinat Valiev and Matt Taormina |
| September 22, 2018 | Flames assign Nick Schneider to Stockton |
| September 21, 2018 | Flames reduce camp by ten |
| September 20, 2018 | Flames reduce camp by eight |
| August 30, 2018 | Flames sign Noah Hanifin |
| August 21, 2018 | Flames sign Anthony Peluso |
| August 20, 2018 | Flames sign Kerby Rychel |
| August 20, 2018 | Flames acquire Kerby Rychel from Montreal |
| July 30, 2018 | Flames re-sign Garnet Hathaway |
| July 26, 2018 | Flames re-sign David Rittich |
| July 25, 2018 | Flames re-sign Brett Kulak |
| July 25, 2018 | Flames re-sign Mark Jankowski |
| July 17, 2018 | Flames re-sign Jon Gillies |
| July 16, 2018 | Flames sign Elias Lindholm |
| July 15, 2018 | Flames re-sign Morgan Klimchuk |
| July 2, 2018 | Flames sign James Neal |
| July 2, 2018 | Flames sign Buddy Robinson |
| July 1, 2018 | Flames sign Tyler Graovac and Alan Quine |
| July 1, 2018 | Flames sign Derek Ryan, Austin Czarnik, Dalton Prout |
| June 25, 2018 | Flames extend qualifying offers to nine players |
| June 23, 2018 | Flames acquire Noah Hanifin and Elias Lindholm |
| June 11, 2018 | Flames sign Yasin Ehliz and Marcus Hogstrom |
| June 4, 2018 | Cail MacLean head coach in Stockton |
| May 31, 2018 | Flames name Geoff Ward, Ryan Huska to coaching staff |
| April 23, 2018 | Flames name Bill Peters head coach |
