Bob Clarke trades
| Edmonton Oilers acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Alexandre Daigle | January 29, 1999 | Andrei Kovalenko |  |
| Nashville Predators acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Sergei Klimentiev | January 26, 1999 | future considerations | |
| Chicago Blackhawks acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Frank Bialowas | January 8, 1999 | Dennis Bonvie | |
| Tampa Bay Lightning acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Petr Svoboda | December 28, 1998 | Karl Dykhuis | |
| Tampa Bay Lightning acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Chris Gratton | December 12, 1998 | Daymond Langkow | |
| Mike Sillinger | Mikael Renberg | |||
| Chicago Blackhawks acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Mike Maneluk | November 17, 1998 | Roman Vopat | |
| Colorado Avalanche acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Shjon Podein | November 12, 1998 | Keith Jones | |
| Philadelphia Flyers acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Mike Maneluk | October 21, 1998 | future considerations |  |
| Vancouver Canucks acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Trent Klatt | October 19, 1998 | 2000 6th round pick (#178-Jeff Dwyer) | |
| Calgary Flames acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | 1999 3rd round pick (#90-Patrick Aufiero) | October 13, 1998 | 1999 8th round pick (#224-David Nystrom) | |
| 1999 8th round pick (#224-David Nystrom) rights to Ryan Bast | ||||
| Comment: Compromise deal to resolve dispute about Flyers signing of Bast | ||||
| Edmonton Oilers acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Daniel Lacroix | October 5, 1998 | Valeri Zelepukin | |
| Philadelphia Flyers acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| 2000 6th round pick (#172-Scott Selig) | August 25, 1998 | rights to Raymond Giroux |  |
| San Jose Sharks acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | Johan Hedberg | August 6, 1998 | 1999 7th round pick (#200-Pavel Kasparik) | |
| Chicago Blackhawks acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Paul Coffey | June 27, 1998 | 1998 5th round pick (#124-Francis Belanger) | |
| Dallas Stars acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
 | 1999 9th round pick (#265-Jamie Chamberlain) | June 27, 1998 | 1998 9th round pick (#258-Sergei Skrobot) | |
| Nashville Predators acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Dominic Roussel | June 26, 1998 | 1998 7th round pick (#175-Cam Ondrik) | |
| Jeff Staples | ||||
| Vancouver Canucks acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| 1998 3rd round pick (#81-Justin Morrison) | March 24, 1998 | Dave Babych | |
| 1998 5th round pick (#139-Garrett Prosofsky) | ||||
| Edmonton Oilers acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Janne Niinimaa | March 24, 1998 | Dan McGillis | |
| 1998 2nd round pick (#42-Jason Beckett) | ||||
| Vancouver Canucks acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Garth Snow | March 4, 1998 | Sean Burke | |
| Vancouver Canucks acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| 1998 conditional 6th round pick (later upgraded to 5th round pick) (#139-Garrett Prosofsky) | February 5, 1998 | Mike Sillinger | |