Mike Barnett trades
| Arizona Coyotes acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
 | Tom Koivisto | March 9, 2004 | future considerations |  |
| Arizona Coyotes acquire | Date | Colorado Avalanche acquire | ||
|---|---|---|---|---|
| Keith Ballard | March 8, 2004 | Chris Gratton |  |
| Derek Morris | Ossi Vaananen | |||
| 2005 2nd round pick (#44-Paul Stastny) | ||||
| New Jersey Devils acquire | Date | Arizona Coyotes acquire | ||
|---|---|---|---|---|
 | Jan Hrdina | March 5, 2004 | Michael Rupp | |
| 2004 2nd round pick (#57-Geoff Paukovich) | ||||
| Arizona Coyotes acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| Brent Johnson | March 4, 2004 | Mike Sillinger | |
| Arizona Coyotes acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| future considerations | February 22, 2004 | Landon Wilson |  |
| Arizona Coyotes acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Mike Comrie | February 9, 2004 | Sean Burke |  |
| rights to Ben Eager | ||||
| rights to Branko Radivojevic | ||||
| Arizona Coyotes acquire | Date | Anaheim Ducks acquire | ||
|---|---|---|---|---|
| Todd Reirden | January 17, 2004 | future considerations |  |
| Arizona Coyotes acquire | Date | Florida Panthers acquire | ||
|---|---|---|---|---|
| Ivan Novoseltsev | December 30, 2003 | future considerations |  |
| Arizona Coyotes acquire | Date | Minnesota Wild acquire | ||
|---|---|---|---|---|
| Chris Dyment | December 9, 2003 | Michael Schutte |  |
| Arizona Coyotes acquire | Date | Vancouver Canucks acquire | ||
|---|---|---|---|---|
| Bryan Helmer | July 25, 2003 | Martin Grenier |  |
| Arizona Coyotes acquire | Date | Dallas Stars acquire | ||
|---|---|---|---|---|
| Mike Sillinger | July 22, 2003 | Teppo Numminen |  |
| conditional draft pick | ||||
| Arizona Coyotes acquire | Date | Dallas Stars acquire | ||
|---|---|---|---|---|
| 2003 9th round pick (#290-Loic Burkhalter) | June 22, 2003 | 2004 8th round pick (#232-Martin Houle) | |
| Arizona Coyotes acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| Tyson Nash | June 21, 2003 | 2003 5th round pick or 2004 4th round pick (2003 #148-Lee Stempniak) | |
| Arizona Coyotes acquire | Date | Carolina Hurricanes acquire | ||
|---|---|---|---|---|
| Igor Knyazev | June 21, 2003 | Danny Markov |  |
| David Tanabe | 2004 conditional 4th round pick (#80-Billy Ryan) | |||
| Boston Bruins acquire | Date | Arizona Coyotes acquire | ||
|---|---|---|---|---|
 | 2004 5th round pick (#134-Kris Versteeg) | May 31, 2003 | rights to Darren McLachlan | |
| Arizona Coyotes acquire | Date | Vancouver Canucks acquire | ||
|---|---|---|---|---|
| future considerations (2003 3rd round pick (#80-Dimitri Pestunov)) | March 11, 2003 | Brad May | |
| Arizona Coyotes acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| Jan Hrdina | March 11, 2003 | Ramzi Abid | |
| Francois Leroux | Dan Focht | |||
| Guillaume Lefebvre | ||||
| Arizona Coyotes acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Guillaume Lefebvre | March 10, 2003 | Tony Amonte | |
| 2003 3rd round pick (#77-Tyler Redenbach) | ||||
| 2004 2nd round pick (#60-Brandon Dubinsky) | ||||
| Buffalo Sabres acquire | Date | Arizona Coyotes acquire | ||
|---|---|---|---|---|
 | Daniel Briere | March 10, 2003 | Chris Gratton | |
| 2004 3rd round pick (#71-Andrej Sekera) | 2004 4th round pick (#112-Liam Reddox) | |||
| Arizona Coyotes acquire | Date | Florida Panthers acquire | ||
|---|---|---|---|---|
| Brad Ference | March 8, 2003 | Darcy Hordichuk | |
| 2003 2nd round pick (#41-Matt Smaby) | ||||