| | D | Contract extended (The Calgary Flames signed D Brayden Pachal to a contract extension.) |
| | G | Sent to minors (The Calgary Flames assigned G Devin Cooley to the minors.) |
| | G | Called up from minors (The Calgary Flames recalled G Devin Cooley from the minors.) |
| | RW | Called up from minors (The Calgary Flames recalled F Walker Duehr from the minors.) |
| | LW | Called up from minors (The Calgary Flames recalled F Jakob Pelletier from the minors.) |
| | LW | Sent to minors (The Calgary Flames sent F Jakob Pelletier to the minors.) |
| | RW | Sent to minors (The Calgary Flames sent F Walker Duehr to the minors.) |
| | LW | Called up from minors (The Calgary Flames recalled F Jakob Pelletier from the minors.) |
| | RW | Called up from minors (The Calgary Flames recalled F Walker Duehr to the minors.) |
| | RW | Sent to minors (The Calgary Flames assigned F Adam Klapka to the minors.) |
| | LW | Called up from minors (The Calgary Flames recalled F Jakob Pelletier from the minors.) |
| | RW | Called up from minors (The Calgary Flames recalled F Walker Duehr to the minors.) |
| | C | Placed on Injured Reserve (The Calgary Flames placed F Justin Kirkland on the Injured Reserve.) |
| | RW | Called up from minors (The Calgary Flames recalled F Adam Klapka from the minors.) |
| | RW | Sent to minors (The Calgary Flames sent F Adam Klapka to the minors.) |
| | RW | Called up from minors (The Calgary Flames recalled F Adam Klapka from the minors.) |
| | RW | Placed on Injured Reserve (The Calgary Flames placed F Anthony Mantha on injured reserve.) |
| | LW | Called up from minors (The Calgary Flames recalled F Dryden Hunt from the minors.) |
| | RW | Called up from minors (The Calgary Flames recalled F Matt Coronato from the minors.) |
| | LW | Sent to minors (The Calgary Flames sent F Samuel Honzek to the minors.) |
| | RW | Called up from minors (The Calgary Flames recalled F Matt Coronato from the minors.) |
| | RW | Sent to minors (The Calgary Flames sent F Adam Klapka to the minors.) |
| | LW | Activated (The Calgary Flames activated F Samuel Honzek from injured reserve.) |
| | C | Activated (The Calgary Flames activated F Yegor Sharangovich from injured reserve.) |
| | RW | Sent to minors (The Calgary Flames assigned FMatt Coronato to the minors.) |
| | C | Activated (The Calgary Flames activated F Kevin Rooney from injured reserve.) |
| | LW | Placed on Injured Reserve (The Calgary Flames placed F Samuel Honzek on Injured Reserve.) |
| | C | Placed on Injured Reserve (The Calgary Flames placed F Kevin Rooney on injured reserve.) |
| | C | Called up from minors (The Calgary Flames recalled F Justin Kirkland from the minors.) |
| | LW | Sent to minors (The Calgary Flames sent F Jakob Pelletier to the minors.) |
| | C | Placed on Injured Reserve (The Calgary Flames placed F Yegor Sharangovich on the Injured Reserve.) |
| | G | Sent to minors (The Calgary flames sent G Devin Cooley to the minors.) |
| | RW | Waived (The Calgary Flames waived F Cole Schwindt.) |
| | G | Waived (The Calgary flames waived G Devin Cooley.) |
| | LW | Waived (The Calgary Flames waived F Jakob Pelletier.) |
| | C | Sent to minors (The Calgary Flames sent F Clark Bishop to the minors.) |
| | D | Sent to minors (The Calgary Flames sent D Sam Morton to the minors.) |
| | D | Signed (The Calgary Flames signed D Tyson Barrie.) |
| | D | Sent to minors (The Calgary Flames sent D Jonathan Aspirot to the minors.) |
| | LW | Waived (The Calgary Flames waived F Dryden Hunt.) |
| | D | Sent to minors (The Calgary Flames sent D Hunter Brzustewicz to the minors.) |
| | RW | Waived (The Calgary Flames waived F Walker Duehr.) |
| | D | Waived (The Calgary Flames waived D Jarred Tinordi.) |
| | C | Called up from minors (The Calgary Flames recalled F Clark Bishop.) |
| | D | Sent to minors (The Calgary Flames sent D Ilya Solovyov to the minors.) |
| | D | Called up from minors (The Calgary Flames recalled D Jonathan Aspirot.) |
| | D | Sent to minors (The Calgary Flames sent D Yan Kuznetsov to the minors.) |
| | G | Sent to minors (The Calgary Flames sent G Waltteri Ignatjew to the minors.) |
| | D | Sent to minors (The Calgary Flames sent D Artem Grushnikov to the minors.) |
| | RW | Sent to minors (The Calgary Flames sent F Martin Frk to the minors.) |
| | C | Sent to minors (The Calgary Flames sent F Justin Kirkland to the minors.) |
| | LW | Signed (The Calgary Flames signed F Andrew Basha to an entry-level contract.) |
| | LW | Sent to minors (The Calgary Flames sent F Parker Bell to the minors.) |
| | C | Sent to minors (The Calgary Flames sent F David Silye to the minors.) |
| | C | Sent to minors (The Calgary Flames sent F Trevor Janicke to the minors.) |
| | C | Waived (The Calgary Flames waived F Clark Bishop.) |
| | D | Sent to minors (The Calgary Flames sent D Jeremie Poirier to the minors.) |
| | LW | Sent to minors (The Calgaryu Flames sent F William Stromgren to the minors.) |
| | C | Sent to minors (The Calgary Flames sent F Rory Kerins to the minors.) |
| | G | Sent to minors (The Calgary Flames sent G Connor Murphy to the minors.) |
| | C | Sent to minors (The Calgary Flames sent F Alex Gallant to the minors.) |
| | C | Sent to minors (The Calgary Flames sent F Jaden Lipinski to the minors.) |
| | D | Sent to minors (The Clagary Flames sent D Joni Jurmo to the minors.) |
| | D | Waived (The Calgary Flames waived D Jonathan Aspirot.) |
| | C | Sent to minors (The Calgary Flames sent F Ilya Nikolaev to the minors.) |
| | LW | Sent to minors (The Calgary Flames sent F Lucas Ciona to the minors.) |
| | G | Sent to minors (The Calgary Flames sent G Matt Radomsky to the minors.) |
| | D | Sent to minors (The Calgary Flames sent D Zayne Parekh to the minors.) |
| | RW | Sent to minors (The Calgary Flames sent F Matvei Gridin to the minors.) |
| | LW | Sent to minors (The Calgary Flames sent F Andrew Basha to the minors.) |
| | LW | Sent to minors (The Calgary Flames sent F Andrew Basha to the minors.) |
| | RW | Sent to minors (The Calgary Flames assigned F Jacob Battaglia to the minors.) |
| | D | Sent to minors (The Calgary Flames sent D Henry Mews to the minors.) |
| | D | Sent to minors (The Calgary Flames assigned D Axel Hurtig to the minors.) |
| | D | Sent to minors (The Calgary Flames sent D Eric Jamieson to the minors.) |
| | C | Sent to minors (The Calgary Flames sent F Hunter Laing to the minors.) |
| | D | Sent to minors (The Calgary Flames sent D Etienne Morin to the minors.) |
| | C | Sent to minors (The Calgary Flames sent F Luke Misa to the minors.) |
| | C | Released (The Calgary Flames released F Luke McNamara.) |
| | D | Re-Signed (The Calgary Flames re-signed D Ilya Solovyov to a two-way contract.) |
| | RW | Re-Signed (The Calgary Flames re-signed F Cole Schwindt to a two-way contract.) |
| | LW | Signed (The Calgary Flames signed F Jakob Pelletier to a two-way contract.) |
| | D | Signed (The Calgary Flames signed D Jarred Tinordi to a two-way contract.) |
| | D | Signed (The Calgary Flames signed D Yan Kuznetsov to a two-way contract.) |
| | RW | Signed (The Calgary Flames signed F Adam Klapka to a standard contract.) |
| | G | Contract extended (The Calgary Flames signed G Dustin Wolf.) |
| | D | Signed (The Calgary Flames signed D Etienne Morin.) |
| | D | Signed (The Calgary Flames signed D Zayne Perekh.) |
| | RW | Signed (The Calgary Flames signed F Matvei Gridin.) |
| | D | Signed (The Carolina Hurricanes signed D Jake Bean to a standard contract.) |
| | RW | Signed (The Calgary Flames signed F Martin Frk to a two-way contract.) |
| | LW | Signed (The Calgary Flames signed F Ryan Lomberg.) |
| | D | Signed (The Calgary Flames signed D Jonathan Aspirot.) |
| | RW | Signed (The Calgary Flames signed F Anthony Mantha to a standard contract.) |
| | C | Signed (The Calgary Flames signed F Justin Kirkland.) |
| | G | Signed (The Calgary Flames signed G Devin Cooley to a standard contract.) |
| | C | Became Unrestricted Free Agent (F Dillon Dube elected free agency.) |
| | D | Became Unrestricted Free Agent (D Oliver Kylington elected free agency.) |
| | D | Became Unrestricted Free Agent (D Jordan Oesterle elected free agency.) |
| | G | Became Unrestricted Free Agent (G Oscar Dansk elected free agency.) |
| | D | Became Unrestricted Free Agent (D Dennis Gilbert elected free agency.) |
| | RW | Drafted (The Calgary Flames drafted RW Jacob Battaglia) |
| | D | Drafted (The Calgary Flames drafted D Eric Jamieson.) |
| | C | Drafted (The Calgary Flames drafted C Hunter Laing) |
| | RW | Drafted (The Calgary Flames drafted RW Trevor Hoskin) |
| | G | Drafted (The Calgary Flames drafted G Kirill Zarubin) |
| | D | Became Unrestricted Free Agent (D Mark Pysyk elected free agency.) |
| | D | Drafted (The Calgary Flames drafted D Henry Mews) |
| | LW | Drafted (The Calgary Flames drafted LW Andrew Basha) |
| | LW | Became Unrestricted Free Agent (F A.J. Greer elected free agency.) |
| | D | Became Unrestricted Free Agent (D Colton Poolman elected free agency.) |
| | D | Drafted (The Calgary Flames drafted D Zayne Parekh.) |
| | RW | Drafted (The Calgary Flames drafted RW Matvei Gridin) |
| | LW | Traded (The Calgary Flames traded F Andrew Mangiapane to the Washington Capitals.) To |
| | D | Traded (The New Jersey Devils traded D Kevin Bahl to the Calgary Flames.) From |
| | G | Traded (The Calgary Flames traded G Jacob Markstrom to the New Jersey Devils.) To |