| June 29, 2017 | Flames acquire G Eddie Lack, D Ryan Murphy and a seventh-round pick in 2019 from Hurricanes in exchange for D Keegan Kanzig and a sixth-round pick in 2019 |
| June 27, 2017 | Flames announce free-agent RW Spencer Foo has committed to club |
| June 26, 2017 | Flames tender qualifying offers to C Sam Bennett, RW Micheal Ferland, G Jon Gillies, RW Garnet Hathaway, D Brett Kulak, C Curtis Lazar, G David Rittich, C Linden Vey, D Tyler Wotherspoon. The following players did not receive qualifying offers: RW Alex Chiasson, D Ryan Culkin, D Kenney Morrison |
| June 24, 2017 | Flames acquire D Travis Hamonic and fourth-round pick in either 2019 or 2020 from Islanders in exchange for Calgary's first- and second-round pick in 2018 and a conditional second-round pick in either 2019 or 2020 |
| June 17, 2017 | Flames acquire G Mike Smith from Coyotes in exchange for UFA G Chad Johnson, prospect Brandon Hickey and conditional third-round pick |
| April 9, 2017 | Flames assign Rasmus Anderssson, David Rittich to Stockton; recall Jon Gillies on emegergency basis |
| April 8, 2017 | Flames recall David Rittich on emergency basis, assign Jon Gillies to Stockton |
| April 5, 2017 | Flames recall Jon Gillies on emergency basis |
| March 24, 2017 | Flames assign Garnet Hathaway to Stockton |
| March 21, 2017 | Flames recall Garnet Hathaway |
| March 13, 2017 | Flames recall Jon Gillies |
| March 10, 2017 | Flames recall Rasmus Andersson |
| March 1, 2017 | Flames acquire Curtis Lazar, Mike Kostka |
| Feb. 15, 2017 | Flames sign Matt Bartkowski to PTO |
| Jan. 9, 2017 | Flames recall Brett Kulak from Stockton |
| Jan. 9, 2017 | Flames assign Tyler Wotherspoon to Stockton |
| Dec. 19, 2016 | Flames recall Tyler Wotherspoon from Stockton |
| Dec. 17, 2016 | Flames assign Tyler Wotherspoon to Stockton |
| Dec. 8, 2016 | Flames assign Brett Kulak to Stockton and recall Tyler Wotherspoon |
| Dec. 5, 2016 | Flames assign Hunter Shinkaruk to Stockton |
| Dec. 1, 2016 | Flames assign Mark Jankowski to Stockton |
| Nov. 25, 2016 | Flames recall Mark Jankowski from Stockton |
| Nov. 22, 2016 | Flames assign Linden Vey to Stockton |
| Nov. 12, 2016 | Flames recall Garnet Hathaway from Stockton |
| Nov. 10, 2016 | Flames recall Linden Vey from Stockton |
| Nov. 9, 2016 | Flames assign Nicklas Grossmann to Stockton |
| Nov. 5, 2016 | Flames recall Hunter Shinkaruk from Stockton |
| Oct. 17, 2016 | Flames sign goaltender Tom McCollum |
| Oct. 11, 2016 | Flames sign Kris Versteeg to one-year contract |
| Oct. 11, 2016 | Flames assign Brandon Bollig to Stockton |
| Oct. 11, 2016 | Flames assign Daniel Prybil to Stockton |
| Oct. 11, 2016 | Flames place Ladislav Smid on injured reserve |
| Oct. 11, 2016 | Flames assign Linden Vey to Stockton |
| Oct. 10, 2016 | Flames release Chris Higgins from PTO |
| Oct. 10, 2016 | Flames sign Johnny Gaudreau to six-year extension |
| Oct. 9, 2016 | Flames release Korpikoski from PTO |
| Oct. 8, 2016 | Flames assign four to Stockton |
| Oct. 5, 2016 | Falkovsky signs AHL/ECHL deal with Stockton |
| Oct. 4, 2016 | Flames assign Kenney Morrison to Stockton |
| Oct. 2, 2016 | Flames trim roster by eight |
| Sep. 28, 2016 | Flames reduce training camp roster by 11 |
| Sep. 25, 2016 | Flames reduce training camp roster by five |
| Aug. 19, 2016 | Flames sign Sean Monahan to seven-year contract extension |
| Aug. 15, 2016 | Flames sign Tyler Wotherspoon |
| Jul. 7, 2016 | Flames sign Matthew Tkachuk |
| Jul. 6, 2016 | Flames add Jerrard and Cameron to coaching staff |
| Jul. 5, 2016 | Flames sign Linden Vey |
| Jul. 1, 2016 | Flames sign Troy Brouwer to multi-year contract |
| Jul. 1, 2016 | Flames sign goaltender Chad Johnson |
| Jun. 27, 2016 | Flames acquire Alex Chiasson from Ottawa |
| Jun. 24, 2016 | Flames acquire goaltender Brian Elliott |
| Jun. 13, 2016 | Flames sign goaltender David Rittich |
| Apr. 29, 2016 | Flames sign Daniel Pribyl |
| Apr. 10, 2016 | Flames assign five to Stockton |
| Apr. 8, 2016 | Flames recall three from Stockton |
| Apr. 7, 2016 | Flames recall Shore from Stockton |
| Apr. 3, 2016 | Flames assign Poirier to Stockton |
| Apr. 1, 2016 | Flames assign Kulak to Stockton |
| Mar. 30, 2016 | Flames sign Mark Jankowski |
| Mar. 28, 2016 | Flames assign Hathaway, Hamilton to Stockton |
| Mar. 28, 2016 | Flames recall four from Stockton |
| Mar. 26, 2016 | Schneider joins Stockton Heat |
| Mar. 26, 2016 | Flames assign Tyler Wotherspoon to Stockton |
| Mar. 23, 2016 | Flames sign Andrew Mangiapane to entry-level contract |
| Mar. 20, 2016 | Flames recall Tyler Wotherspoon from Stockton |
| Mar. 17, 2016 | Flames assign Kenny Agostino to Stockton |
| Mar. 16, 2016 | Flames recall Freddie Hamilton from Stockton |
| Mar. 12, 2016 | Flames assign Tyler Wotherspoon to Stockton |
| Mar. 11, 2016 | Flames recall Kenny Agostino from Stockton |
| Mar. 7, 2016 | Flames recall Tyler Wotherspoon from Stockton |
| Mar. 1, 2016 | Flames assign Tyler Wotherspoon to Stockton |
| Feb. 29, 2016 | Flames recall forward Garnet Hathaway |
| Feb. 29, 2016 | Flames acquire Backstrom, sixth round pick from Minnesota for Jones |
| Feb. 29, 2016 | Flames acquire Jokipakka, Pollock, & conditional pick for Russell |
| Feb. 27, 2016 | Flames acquire second and fourth round picks from Florida in exchange for Hudler |
| Feb. 22, 2016 | Flames acquire Hunter Shinkaruk from Vancouver |
| Feb. 19, 2016 | Flames recall Tyler Wotherspoon from Stockton |
| Dec. 12, 2015 | Flames recall Joni Ortio from Stockton |
| Dec. 3, 2015 | Flames recall Jakub Nakladal from Stockton |
| Nov. 27, 2015 | Flames recall Ladislav Smid from Stockton |
| Nov. 26, 2015 | Flames assign Joni Ortio to Stockton |
| Nov. 26, 2015 | Flames recall Markus Granlund from Stockton |
| Nov. 25, 2015 | Flames assign Ladislav Smid to Stockton on conditioning assignment |
| Nov. 16, 2015 | Flames assign Derek Grant to Stockton |
| Nov. 12, 2015 | Flames acquire goaltender Kevin Poulin |
| Nov. 5, 2015 | Flames reassign Keegan Kanzig from Stockton Heat to Calgary Hitmen |
| Oct. 29, 2015 | Flames recall Karri Ramo from Stockton |
| Oct. 29, 2015 | Flames assign Jakub Nakladal to Stockton |
| Oct. 24, 2015 | Flames recall Derek Grant from Stockton |
| Oct. 22, 2015 | Flames assign Karri Ramo to Stockton |
| Oct. 21, 2015 | Flames recall Jakub Nakladal from Stockton |
| Oct. 20, 2015 | Flames assign Markus Granlund to Stockton |
| Oct. 14, 2015 | Flames recall Markus Granlund from Stockton |
| Oct. 5, 2015 | Flames assign Granlund to Stockton |
| Oct. 4, 2015 | Flames acquire Freddie Hamilton from Colorado |
| Oct. 4, 2015 | Flames release Wilson from PTO |
| Oct. 3, 2015 | Flames assign Shore to Stockton |
| Oct. 2, 2015 | Flames make five player assignments |
| Sep. 30, 2015 | Flames recall pair of defencemen from Stockton |
| Sep. 27, 2015 | Flames trim roster down to 32 players |
| Sep. 26, 2015 | Flames trim camp roster by two |
| Sep. 25, 2015 | Flames make training camp assignments |
| Sep. 23, 2015 | Flames sign goaltender Nick Schneider |
| Sep. 22, 2015 | Flames assign Mangiapane to Barrie |
| Sep. 20, 2015 | Flames reduce training camp roster by five |
| Sep. 17, 2015 | Flames trim camp roster by five |
| Sep. 17, 2015 | Flames sign Rasmus Andersson |
| Sep. 10, 2015 | Flames re-sign Micheal Ferland |
| Sep. 3, 2015 | Ryan Wilson joins Flames on professional try-out |
| Aug. 25, 2015 | Flames re-sign Mark Giordano |
| Jul. 26, 2015 | Flames sign forward Paul Byron |
| Jul. 24, 2015 | Flames sign Josh Jooris and Turner Elson to one-year deals |
| Jul. 23, 2015 | Flames sign Lance Bouma to multi-year deal |
| Jul. 15, 2015 | Four players accept qualifying offers from Flames |
| Jul. 15, 2015 | Flames sign prospect Oliver Kylington |
| Jul. 2, 2015 | Flames sign Mason McDonald and Hunter Smith |
| Jul. 1, 2015 | Flames acquire conditional fourth round pick from Nashville |
| Jul. 1, 2015 | Flames sign forward Derek Grant |
| Jul. 1, 2015 | Flames sign Michael Frolik to multi-year contract |
| Jul. 1, 2015 | Flames sign Karri Ramo |
| Jun. 30, 2015 | Flames sign Dougie Hamilton |
| Jun. 30, 2015 | Flames re-sign coaching staff to multi-year contracts |
| Jun. 29, 2015 | Flames provide qualifying offers to 12 players |
| Jun. 26, 2015 | Flames acquire Dougie Hamilton from Boston |
| Jun. 20, 2015 | Flames sign Mikael Backlund |
| 19-May-15 | Flames sign defenceman Jakub Nakladal |
| Apr. 21, 2015 | Flames recall 11 players from Adirondack |
| Apr. 20, 2015 | Flames recall Joni Ortio from Adirondack |
| Apr. 15, 2015 | Flames sign goaltender Jon Gillies |
| Apr. 15, 2015 | Flames assign Joni Ortio to Adirondack |
| Apr. 13, 2015 | Flames sign Garnet Hathaway |
| Apr. 12, 2015 | Flames assign four players to Adirondack |
| Apr. 10, 2015 | Flames recall four players from Adirondack on emergency basis |
| Apr. 9, 2015 | Flames recall goaltender Joni Ortio |
| Apr. 5, 2015 | Flames recall goaltender Brad Thiessen |
| Apr. 3, 2015 | Flames recall Sam Bennett from Kingston |
| Apr. 3, 2015 | Flames recall Tyler Wotherspoon from Adirondack |
| Mar. 26, 2015 | Flames sign Austin Carroll |
| Mar. 20, 2015 | Flames assign Emile Poirier to Adirondack |
| Mar. 19, 2015 | Flames sign Kenney Morrison |
| Mar. 18, 2015 | Flames recall Markus Granlund from Adirondack |
| Mar. 13, 2015 | Douglas Murray practicing with the Flames on try-out basis |
| Mar. 3, 2015 | Flames assign Markus Granlund to Adirondack |
| Mar. 2, 2015 | Flames acquire second round pick from Vancouver |
| Mar. 1, 2015 | Flames acquire second, third round draft picks from Washington |
| Mar. 1, 2015 | Flames claim David Schlemko off waivers |
| Feb. 27, 2015 | Flames recall Tyler Wotherspoon from Adirondack |
| Feb. 23, 2015 | Flames recall Michael Ferland and Emile Poirier from Adirondack |
| Feb. 21, 2015 | Flames assign Sam Bennett to Kingston Frontenacs |
| Feb. 19, 2015 | Flames recall Markus Granlund from Adirondack |
| Feb. 5, 2015 | Flames assign Sven Baertschi and Markus Granlund to Adirondack |
| Feb. 4, 2015 | Flames recall Corey Potter from Adirondack |
| Feb. 2, 2015 | Flames recall Markus Granlund from Adirondack |
| Jan. 26, 2015 | Flames recall three players from Adirondack |
| Jan. 22, 2015 | Flames assign three players before NHL All-Star break |
| Jan. 20, 2015 | Flames recall Tyler Wotherspoon from Adirondack |
| Jan. 14, 2015 | Flames recall Drew Shore from Adirondack |
| Jan. 10, 2015 | Flames assign Brian McGrattan to Adirondack |
| Jan. 9, 2015 | Flames acquire Drew Shore from Florida |
| Jan. 8, 2015 | Flames recall Markus Granlund and Joni Ortio from Adirondack |
| Jan. 7, 2015 | Flames assign Markus Granlund, Corey Potter to Adirondack |
| Dec. 26, 2014 | Flames recall Corey Potter from Adirondack |
| Dec. 23, 2014 | Flames assign Corey Potter to Adirondack |
