St. Louis Blues trades
| Minnesota North Stars acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | cash | August 10, 1970 | Bob McCord |  |
| Montreal Canadiens acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | cash | June 10, 1970 | Lyle Carter | |
| Montreal Canadiens acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| cash | June 10, 1970 | Murray Flegel | |
| Vancouver Canucks acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Andre Boudrias | June 10, 1970 | 1970 7th round pick (#85-Jack Taggart) | |
| 1970 9th round pick (#108-Bob Winograd) | ||||
| cash | ||||
| Boston Bruins acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | 1970 1st round pick (#9-Ron Plumb) | May 26, 1970 | Jim Lorentz | |
| Montreal Canadiens acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| cash | May 22, 1970 | Christian Bordeleau | |
| Toronto Maple Leafs acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Jacques Plante | May 18, 1970 | cash | |
| Los Angeles Kings acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Ray Fortin | May 11, 1970 | Bob Wall | |
| Buffalo Sabres acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | cash | December 9, 1969 | George Morrison | |
| St. Louis Blues acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| loan of Larry Hornung for remainder of 1969-70 season | November 1, 1969 | loan of Sheldon Kannegiesser for remainder of 1969-70 season |  |
| Comment: Exact date unknown | ||||
| Buffalo Sabres acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| cash | October 1, 1969 | Roger Lafreniere | |
| Comment: Exact date unknown | ||||
| Montreal Canadiens acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| Norm Beaudin | June 27, 1969 | Ernie Wakely | |
| Bobby Schmautz | ||||
| St. Louis Blues acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| Norm Beaudin | June 27, 1969 | cash | |
| Camille Henry | ||||
| Los Angeles Kings acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| cash | June 12, 1969 | 1969 8th round pick (#80-Pat Lange) | |
| St. Louis Blues acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| 1969 7th round pick (#73-Bob Collyard) | June 12, 1969 | cash |  |
| St. Louis Blues acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| 1969 6th round pick (#70-Dale Yutsyk) | June 12, 1969 | cash | |
| St. Louis Blues acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| Phil Goyette | June 10, 1969 | 1969 1st round pick (#8-Andre Dupont) | |
| St. Louis Blues acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| Lou Angotti | June 6, 1969 | Craig Cameron | |
| 1971 1st round pick (#4-Gene Carr) | Ron Schock | |||
| 1972 2nd round pick (#30-Bernie Lukowich) | ||||
| St. Louis Blues acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Ron Buchanan | May 14, 1969 | cash |  |
| St. Louis Blues acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| cash | May 13, 1969 | Norm Beaudin | |
| Norm Dennis | ||||