Brian Lawton trades
| Los Angeles Kings acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | Jeff Halpern | March 3, 2010 | Teddy Purcell |  |
| 2010 3rd round pick (#63-Brock Beukeboom) | ||||
| Anaheim Ducks acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | Evgeny Artyukhin | August 13, 2009 | Drew Miller | |
| 2010 3rd round pick (#72-Adam Janosik) | ||||
| Arizona Coyotes acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | Radim Vrbata | July 21, 2009 | Todd Fedoruk | |
| David Hale | ||||
| Nashville Predators acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | 2010 5th round pick (#126-Patrick Cehlin) | June 27, 2009 | 2009 5th round pick (#147-Michael Zador) | |
| Detroit Red Wings acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | 2009 2nd round pick (#32-Landon Ferraro) | June 26, 2009 | 2009 1st round pick (#29-Carter Ashton) | |
| 2009 3rd round pick (#75-Andrej Nestrasil) | ||||
| Toronto Maple Leafs acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | Jay Rosehill | March 10, 2009 | future considerations | |
| Boston Bruins acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | Mark Recchi | March 4, 2009 | Martins Karsums | |
| 2010 2nd round pick (#36-Alexander Petrovic) | Matt Lashoff | |||
| Toronto Maple Leafs acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
| Jamie Heward | March 4, 2009 | Richard Petiot | |
| Olaf Kolzig | ||||
| Andy Rogers | ||||
| 2009 4th round pick | ||||
| Tampa Bay Lightning acquire | Date | Florida Panthers acquire | ||
|---|---|---|---|---|
| Noah Welch | March 4, 2009 | Steve Eminger |  |
| 2009 3rd round pick (#75-Andrej Nestrasil) | ||||
| Tampa Bay Lightning acquire | Date | Carolina Hurricanes acquire | ||
|---|---|---|---|---|
| Wade Brookbank | February 7, 2009 | Jussi Jokinen |  |
| Josef Melichar | ||||
| 2009 4th round pick (pick forfeited) | ||||
| Dallas Stars acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | Andrew Hutchinson | November 30, 2008 | rights to forward Lauri Tukonen | |
| Arizona Coyotes acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
| Wyatt Smith | November 25, 2008 | future considerations | |
| Tampa Bay Lightning acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Steve Downie | November 7, 2008 | Matt Carle |  |
| Steve Eminger | 2009 3rd round pick (#87-Simon Bertilsson) | |||
| 2009 4th round pick (#93-Alex Hutchings) | ||||
| Vancouver Canucks acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | Shane O`Brien | October 6, 2008 | Lukas Krajicek | |
| Michel Ouellet | Juraj Simek | |||
| Tampa Bay Lightning acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
| Michal Sersen | October 1, 2008 | 2009 5th round pick (#122-Alex Velischek) |  |
| Nashville Predators acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
| Nick Tarnasky | September 29, 2008 | 2009 conditional pick (6th round if Tarnasky plays 55 games or less in 2008-09 5th round if Tarnasky plays more than 55 games in 2008-09) (#161-Jaroslav Janus) | |
| Tampa Bay Lightning acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Andrej Meszaros | August 29, 2008 | Filip Kuba |  |
| Alexandre R. Picard | ||||
| 2009 1st round pick (#26-Kyle Palmieri) | ||||
| San Jose Sharks acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | Dan Boyle | July 4, 2008 | Matt Carle | |
| Brad Lukowich | Ty Wishart | |||
| 2009 1st round pick (#26-Kyle Palmieri) | ||||
| 2010 4th round pick (#118-James Mullin) | ||||
| Tampa Bay Lightning acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Janne Niskala | June 30, 2008 | 2009 6th round pick (#152-David Labrecque) | |
| Minnesota Wild acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
 | 2009 or 2010 conditional draft pick (depending on whether Rolston re-signs with Lightning) (2009 #99-Kyle Bigos) | June 29, 2008 | rights to Brian Rolston | |