Calgary Flames trades
| Quebec Nordiques acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Daniel Bouchard | January 30, 1981 | Jamie Hislop |  |
| Calgary Flames acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| Frank Beaton | November 18, 1980 | Dale Lewis |  |
| Calgary Flames acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| Alex McKendry | October 9, 1980 | 1981 3rd round pick (#57-Ron Handy) |  |
| Montreal Canadiens acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Dave Gorman | September 1, 1980 | Tim Burke | |
| Calgary Flames acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
| future considerations (cash) | July 1, 1980 | Jean Pronovost |  |
| Toronto Maple Leafs acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Dave Shand | June 10, 1980 | 1980 2nd round pick (#32-Kevin LaVallee) | |
| 1980 3rd round pick (#55-Torrie Robertson) | ||||
| Los Angeles Kings acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Garry Unger | June 6, 1980 | Randy Holt | |
| Bert Wilson | ||||
| Boston Bruins acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
 | Jim Craig | June 2, 1980 | 1980 2nd round pick (#39-Steve Konroyd) | |
| 1981 3rd round pick (#56-Mike Vernon) | ||||