| Mar 1/04 - Phoenix trades Denis Shvidki and Matt Jones to Florida for Aaron Ward and Igor Ulanov |
| Mar 1/04 - LA trades Petr Taticek, Petr Kanko and Jan Lasak to Ottawa for Ray Emery and Brooks Laich |
| Mar 1/04 - Atlanta trades Igor Mirnov and Jesse Niinmaki to Buffalo for Ray Whitney and $550K. |
| Mar 2/04 - NYI trades Mike Peca, Bret Hedican and Randy Robitaille to Detroit for Jere Lehtinen, Jaroslav Modry, Alex Khavanov, Petr Schastlivy and a Det 5th 2004 |
| Mar 3/04 - Florida trades Jay Bouwmeester to LA for: Babchuck, Roy, Globke, Yonkman, Boyle, Vermette, Fehr, all of LA's 2004 picks, NJ's 1st rounder and LA's 1st in 2006, and all LA's picks in 2005 excluding his 1st's |
| Mar 3/04 - Boston trades Mike Knuble, Chris Phillps, a Bos 2004 1st and a Bos 2005 2nd to St. Louis for Chris Pronger. |
| Mar 3/04 - Edmonton trades Eric Messier to Phoenix for Michal Grosek, Joe Juneau, Scott Pellerin and Bryan Helmer. |
| Mar 4/04 - Detroit trades David Legwand, Andreas Sundin, James Howard and a Det 6th 2004 draft pick to Buffalo for Vyacheslav Kozlov and Frantisek Kaberle. |
| Mar 5/04 - Atlanta trades Zednik, Whitney, Hnilinka, Damphousse, and Safronov to Detroit for Draper, McCarty, Maltby, Weekes, $1.5 million. |
| Mar 5/04 - Detroit trades Ray Whitney to Ottawa for Radek Bonk. |
| Mar 5/04 - San Jose trades Ivan Huml and Tomas Divisek to St. Louis for Martin Ruchinsky |
| Mar 7/04 - LA trades Dave Andreychuk to Carolina for St. Louis 2nd round pick, TB 3rd round pick, 2005 2nd, 2005 8th, Mike Zigomanis and Frank Banham. |
| Mar 7/04 - Toronto trades Anders Eriksson to the Carolina Hurricanes for Chad Kilger and Vancouver's 2nd round pick and a Min 3rd round pick |
| Mar 7/04 - Atlanta trades J. Vigier and a Buf 2004 4th round pick to NYI for Steve Begin |
| Mar 8/04 - NYI trades Jed Ortmeyer to Ottawa for a Ottawa 2005 2nd round pick. |
| Mar 8/04 - Vancover trades Ruslan Salei and Randy McKay to Phoenix for Brian Rolston. |
| Mar 8/04 - Atlanta trades Kris Draper and Mattias Weinhandl to Washington for Steve Ott, Sean O'Donnell and $750K |
| Mar 8/04 - Washington trades Donald Brashear, Niko Dimikitrakos, Prospect Derek Krestonovich, SJ 3rd in 2004 and Was 2nd in 2005 to Montreal for Andy Macdonald, Denis Ezhov and Montreal 5th in 2005 |
| Mar 8/04 - Montreal trades Keith Carney and Pierre Dagenais to Atlanta for Janne Niinimaa, Jiri Slegr and Atl 5th in 2005 |
| Mar 8/04 - Florida trades Juraj Kolnik, Josh Olsen and a Wash 4th 04 to Buffalo for Tayler Pyatt |
| Mar 8/04 - Atlanta trades Brad Tapper to Phoenix for Bill Houlder |
| Mar 8/04 - Washington trades Al McInnis and Marty Murray to Phoenix for Eric Lindros and Cale Hulse. (Policy of Lindros moves to Washington. If McInnis retires before Lindros, the policy goes back to Phoenix) |
| Mar 8/04 - Carolina trades Pasi Nurminen, Patrick Desrochers and a Car. 6th 2004 to Washington for Kris Draper. |
| Mar 9/04 - Washington trades Alexander Semin and Mattias Weinhandl to St. Louis for Pavel Demitra and a St Louis 2005 2nd round pick. |
| Mar 10/04 - Carolina trades Craig McDonald, Steven Halko, Tommy Albelin, Kevyn Adams, Tomas Malec and Barry Tallackson to Detroit for $2.8 million. |
| Mar 10/04 - Carolina trades Tomas Kurka to Detroit for $500K |
| Mar 10/04 - Carolina trades a SJ 05 4th, Mon 04 4th, St. Louis 04 5th, Carolina 06 2nd and Carolina 07 1st for Stacey Roest and Patrick Boileau |
| Mar 10/04 - Carolina trades Alyn McCauley, Anton But, Jimmie Olvestad, Sean Brown, Jiri Bicek and $4.2 million to Washington for Eric Lindros. |
| Mar 11/04 - LA trades Patrick Traverse to NJ for a NJ 4th round 2004 pick |
| Mar 11/04 - Carolina trades Chicago's 4th round pick and prospect's Magnus Kahnberg and Matej Trojovsky to LA for Mike Keane |
| Mar 11/04 - Carolina trades Edmonton's 4th in
04, NJ3rd in 05, MTL 3rd in 05, Carolina's 4th in 06, Carolina's 2nd in 07 and 4.25 million to Philly for Felix Potvin |
| Mar 14/04 - NJ trades Jani Herme to Philly for a Flo 3rd 2004 and prospect Bernd Bruckler. |
| Mar 15/04 - Ottawa trades Brian Gionta, Peter Schaefer and 2004 Dallas 1st round pick to Montreal for Sami Kapanen, Nicklas Kronwall and Cory Locke |
| Mar 15/04 - Phoenix trades Al McInnis to Ottawa for Dallas Drake, Sami Salo and a Carolina 2nd 2004 |
| Mar 15/04 - Washington trades Philippe Boucher, Cale Hulse, Joe Corvo, Stanislav Neckar and $500K to Phoenix for Sami Salo and prospect Frantisek Lukes |
| Mar 15/04 - NJ trades Ryan Smyth, Adam Deadmarsh and Zach Parise to Montreal for Jamie Langenbrunner, Nic Sundstrom and Marcel Hossa (If Deadmarsh retires during the next WCHL season, Habs will receive compsenation in the amout of prospect Ivan Khomutov and 2 million cash) |
| Mar 15/04 - Pittsburgh trades Claude Lapointe and $1.55 million to Phoenix for a Car. 2004 2nd. |
| Mar 16/04 - Boston trades Mike Sillinger, Ted Donato to Carolina for Carolina 4th in 05, Carolina's 6th in 07, Carolina's 4th in 08 |
| Mar 16/04 - Carolina trades Wade Belek to Pittsburgh for Jamie Pushor |
| March 17/04 - Dallas trades Jay McKee to Boston for Bos 2005 4th and Bos 2007 2nd |
| March 17/04 - Dallas trades Aaron Miller to Phoenix for Brad Tapper and Denis Hamel. |
| March 17/04 - Phoenix trades Aaron Ward to Scott Thornton. |
| Mar 18/04 - Washington trades Jimmie Olvestad, Anton But, Denis Ezhov, Frantisek Lukes, Vesa Toskala and Year 2005 CAL 2nd to Tampa Bay for Eric Weinrich, Ruslan Fedotenko |
| Mar 23/04 - LA trades 2004 ATL 4th, 2004 CHI 4th to Tampa Bay for Andre Roy and Chris Dingman |
| Mar 23/04 - Washington trades Raffi Torres and Dan Cloutier to Tampa Bay for Nik. Khabibulin and Chris Drury |
| Mar 24/04 - Vancouver trades prospect Evgeny Gladskikh to Buffalo for prospect Jakub Klepis. |
| Mar 25/04 - Montreal trades Montreal 4th rd pick in 09 to LA for Mattieu Chouinard |
| Mar 28/04 - Nashville trades Mark Eaton and Jason York to St. Louis for Bob Boughner and a St. Louis 2005 5th. |
| Mar 28/04 - LA trades Chris Dingman and Dmitri Kalinen to Nashville for Nash and NYR's 1st in 2005 |
| Mar 28/04 - Nashville trades Vladimir Orszagh and J-S Giguere to Phoenix for Martin Biron, Randy McKay and Cale Hulse |
| Mar 30/04 - Phoenix trades Vladimir Orszagh and (Prospect) Ben Eager to Columbus for Todd Marchant, 2004 CLB 4TH and 2005 CLB 8TH |
| Mar 30/04 - NJ trades Alex Ponikarovsky, Ottawa's First rounder in 2005 and Florida's 3rd rounder in 2004 to Columbus for Jaroslav Spacek. |
| Mar 31/04 - Buffalo trades Kimo Timmonen and Henrik Tallinder to Montreal for Mike Komisarek, Jiri Hudler, 5th in 2005 ATL |