Al Coates trades
| Calgary Flames acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
 | Andrei Trefilov | December 29, 1998 | future considerations (1999 7th round pick (#195-Yorick Treille)) |  |
| Calgary Flames acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
| Steve Dubinsky | October 27, 1998 | Jamie Allison | |
| Jeff Shantz | Erik Andersson | |||
| Marty McInnis | ||||
| Calgary Flames acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| 1999 3rd round pick (#90-Patrick Aufiero) | October 13, 1998 | 1999 8th round pick (#224-David Nystrom) |  |
| 1999 8th round pick (#224-David Nystrom) rights to Ryan Bast | ||||
| Comment: Compromise deal to resolve dispute about Flyers signing of Bast | ||||
| Calgary Flames acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
| 2000 9th round pick (#289-Bjorn Nord) | August 7, 1998 | Rick Tabaracci |  |
| future considerations | ||||
| Calgary Flames acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| rights to Jan Hlavac | July 14, 1998 | rights to Jorgen Jonsson |  |
| Dallas Stars acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Aaron Gavey | July 14, 1998 | Bob Bassen | |
| Toronto Maple Leafs acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Ladislav Kohn | July 2, 1998 | David Cooper | |
| Calgary Flames acquire | Date | Nashville Predators acquire | ||
|---|---|---|---|---|
| future considerations | June 26, 1998 | Jim Dowd |  |
| Calgary Flames acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| David Roche | June 17, 1998 | Todd Hlushko |  |
| Ken Wregget | German Titov | |||
| Calgary Flames acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
| Jason Wiemer | March 24, 1998 | Sandy McCarthy |  |
| 1998 3rd round pick (#64-Brad Richards) | ||||
| 1998 5th round pick (#121-Curtis Rich) | ||||
| Montreal Canadiens acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Jonas Hoglund | February 1, 1998 | Valeri Bure | |
| Zarley Zalapski | 1998 4th round pick (#102-Shaun Sutter) | |||
| Calgary Flames acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
| Eric Charron | September 4, 1997 | future considerations (1998 7th round pick (#179-Nathan Forster)) | |
| Calgary Flames acquire | Date | Carolina Hurricanes acquire | ||
|---|---|---|---|---|
| Andrew Cassels | August 25, 1997 | Trevor Kidd |  |
| Jean-Sebastien Giguere | Gary Roberts | |||
| Boston Bruins acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Mike Sullivan | June 21, 1997 | 1998 7th round pick (#192-Radek Duda) | |
| Calgary Flames acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
| Rick Tabaracci | June 21, 1997 | 1998 4th round pick (#92-Eric Beaudoin) | |
| Calgary Flames acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
| Ravil Gusmanov | March 18, 1997 | Marc Hussey | |
| Calgary Flames acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| Tyrone Garner | March 18, 1997 | Robert Reichel | |
| Marty McInnis | ||||
| 1997 6th round pick (#140-Ilja Demidov) | ||||
| Calgary Flames acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
| Tyler Moss | March 18, 1997 | Jamie Huscroft | |
| Hartford Whalers acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Steve Chiasson | March 5, 1997 | Hnat Domenichelli | |
| 1997 3rd round pick (#80-Francis Lessard) | Glen Featherstone | |||
| 1997 2nd round pick (#51-Dmitri Kokorev) | ||||
| 1998 3rd round pick (#62-Paul Manning) | ||||
| San Jose Sharks acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | future considerations | December 17, 1996 | Yves Racine | |