| July 3 | | |
 | F Matt Martin |  | G Eamon McAdam |
| July 1 | | |
 | C Ryan O'Reilly |  | C Tage Thompson
C Patrik Berglund
C Vladimir Sobotka
2019 1st-round pick
2021 2nd-round pick |
| June 30 | | |
 | D Simon Bourque |  | F Joel Armia
G Steve Mason
2019 7th-round pick
2020 4th-round pick |
| F Nicholas Kerdiles |  | F Chase De Leo |
| June 27 | | |
 | F Jordan Schroeder |  | G Jean-Francois Berube |
| F Conor Sheary
D Matt Hunwick |  | 2019 4th-round pick |
| June 24 | | |
| F Michael Chaput |  | F Tanner Kero |
 | D Robbie Russo |  | 2019 7th-round pick |
| June 23 | | |
 | F Elias Lindholm
D Noah Hanifin |  | F Micheal Ferland
D Dougie Hamilton
D Adam Fox |
| No. 58 pick |  | No. 64 pick
No. 146 pick |
 | No. 62 pick | | No. 71 pick
No. 133 pick |
| No. 74 pick | | No. 87 pick
No. 142 pick |
 | No. 87 pick | | No. 114 pick
No. 145 pick |
 | No. 89 pick |  | 2019 3rd-round pick |
| No. 139 pick | | 2019 5th-round pick |
| No. 156 pick | | 2019 6th-round pick |
| No. 159 pick | | 2019 5th-round pick |
 | No. 161 pick | | No. 186 pick
2019 6th-round pick |
| No. 190 pick |  | 2019 7th-round pick |
 | No. 208 pick | | 2019 7th-round pick |
| G Hayden Hawkey | | 2019 5th-round pick |
 | No. 216 pick | | 2019 7th-round pick |
| June 22 | | |
| G Philipp Grubauer
D Brooks Orpik | | 2018 2nd-round pick |
| No. 22 pick |  | No. 26 pick
No. 48 pick |
| No. 25 pick | | No. 29 pick
No. 76 pick |
| June 19 | | |
| F Mike Hoffman
2018 7th-round pick | | 2018 4th-round pick
2018 5th-round pick
2019 2nd-round pick |
| F Mike Hoffman
D Cody Donaghey
2020 5th-round pick | | F Mikkel Boedker
D Julius Bergman
2020 6th-round pick |
| June 15 | | |
| F Alex Galchenyuk | | F Max Domi |
| June 14 | | |
| F Hudson Fasching | | D Brandon Hickey |
| June 13 | | |
 | F Andy Andreoff |  | G Peter Budaj |
| June 8 | | |
| 2020 7th-round pick | | F Nolan Vesey |
| Feb. 26 | | |
| D Ryan McDonagh
C J.T. Miller | | 2018 1st-round pick
2019 cond'l 2nd-round pick
LW Vladislav Namestnikov
C Brett Howden
D Libor Hajek |
| C Paul Stastny | | 2018 1st-round pick
2020 4th-round pick
LW Erik Foley |
| LW Evander Kane | | C Danny O'Regan
2019 cond'l 1st-round pick
2020 cond'l 4th-round pick |
| LW Tomas Tatar | | 2018 1st-round pick
2019 2nd-round pick
2021 3rd-round pick |
 | LW Patrick Maroon | | 2019 3rd-round pick
C J.D. Dudek |
| LW Thomas Vanek | | C Tyler Motte
LW Jussi Jokinen |
| RW Ryan Hartman
2018 5th-round pick | | 2018 1st-round pick
2018 4th-round pick
C Victor Ejdsell |
| D Mike Reilly |  | 2019 5th-round pick |
| C Nick Shore | | 2019 7th-round pick |
| C Josh Jooris | | C Greg McKegg |
 | C Tommy Wingels | | 2019 5th-round pick |
| LW Jason Chimera | | C Chris Wagner |
| D Joe Morrow | | 2018 4th-round pick |
| D Philip Holm | | LW Brendan Leipsic |
| D Ian Cole | | C Nick Moutrey
2020 3rd-round pick |
| D Ryan Graves | | D Chris Bigras |
| C Ryan Kujawinski | | C Jordan Maletta
C Carter Camper |
| C Tyler Gaudet
D John Ramage | | D Trevor Murphy
LW Pierre-Cedric Labrie |
| Feb. 25 | | |
| LW Rick Nash | | 2018 1st-round pick
C Ryan Spooner
LW Matt Beleskey
D Ryan Lindgren
2019 7th-round pick |
| C Tomas Plekanec
RW Kyle Baun | | 2018 2nd-round pick
D Rinat Valiev
LW Kerby Rychel |
| C Mark Letestu | | 2018 4th-round pick |
| C Mark Letestu | | LW Pontus Aberg |
| LW Brandon Bollig
G Troy Grosenick | | 2018 6th-round pick |
| Feb. 24 | | |
| D Brandon Davidson | | 2019 3rd-round pick |
| Feb. 23 | | |
| C Derick Brassard
LW Vincent Dunn
2018 3rd-round pick | | D Ian Cole
G Filip Gustavsson
2018 1st-round pick
2019 3rd-round pick |
| RW Ryan Reaves
2018 4th-round pick | | LW Tobias Lindberg |
| Feb. 22 | | |
| RW Michael Grabner | | 2018 2nd-round pick
D Yegor Rykov |
| C Frank Vatrano | | 2018 3rd-round pick |
| Feb. 21 | | |
| C Tobias Rieder
G Scott Wedgewood | | G Darcy Kuemper |
| Feb. 21 | | |
| D Jakub Jerabek | | 2019 5th-round pick |
| Feb. 20 | | |
| RW Eric Fehr | | 2020 7th-round pick |
| Feb. 20 | | |
| D Rob O'Gara
2018 3rd-round pick | | D Nick Holden |
| Feb. 19 | | |
| 2018 cond'l 4th-round pick
2019 cond'l 3d-round pick | | G Petr Mrazek |
| Feb. 19 | | |
| D Michal Kempny | | 2018 3rd-round pick |
| Feb. 15 | | |
| RW Nikita Soshnikov | | 2019 4th-round pick |
| Feb. 15 | | |
| C Chris DiDomenico | | D Ville Pokka |
| Feb. 13 | | |
| D Dion Phaneuf
C Nate Thompson | | RW Marian Gaborik
C Nicholas Shore |
| Feb. 9 | | |
| RW Adam Chapie
RW Joe Whitney | | C John Albert
D Hubert Labrie |
| Feb. 8 | | |
 | C Christoph Bertschy
F Mario Lucia | | D Victor Loov |
| Feb. 5 | | |
| D Zac Leslie | | Future considerations |
| Feb. 3 | | |
 | D Andrew O'Brien | | C Mark McNeill |
| Jan. 31 | | |
| G Edward Pasquale | | Future considerations |
| Jan. 22 | | |
| G Jeff Zatkoff | | Future considerations |
| Jan. 22 | | |
| D John Ramage | | Future considerations |
| Jan. 10 | | |
| LW Anthony Duclair
D Adam Clendening | | RW Richard Panik
D Laurent Dauphin |
| Jan. 4 | | |
| G Al Montoya | | 2019 4th-round pick |
| Dec. 30 | | |
| G Eddie Lack | | G Dalton Prout |
| Dec. 19 | | |
| D Jamie Oleksiak | | 2019 4th-round pick |
| Dec. 19 | | |
| RW Josh Archibald
G Sean Maguire
2019 6th-round pick | | G Michael Leighton
2019 4th-round pick |
| Dec. 19 | | |
| F Gregory Chase | | Future considerations |
| Dec. 14 | | |
| C Michael Latta | | C Ryan Kujawinski |
| Dec. 8 | | |
| D Jordan Subban | | C Nic Dowd |
| Dec. 4 | | |
| C Scott Wilson | | 2019 5th-round pick |
| Nov. 30 | | |
| D Sami Vatanen
Cond'l 3rd-round pick | | C Adam Henrique
C Joseph Blandisi
2018 3rd-round pick |
| Nov. 30 | | |
| C Peter Holland | | RW Adam Cracknell |
| Nov. 23 | | |
 | C Torrey Mitchell |  | 2018 fifth-round pick |
| Nov. 14 | | |
| C Michael Cammalleri | | LW Jussi Jokinen |
| LW Tye McGinn
G Michael Leighton |  | G Louis Domingue |
| Nov. 10 | | |
| D Ludwig Bystrom | | D Reece Scarlett |
| Nov. 5 | | |
| C Matt Duchene | | G Andrew Hammond
C Shane Bowers
2018 1st-round pick
2019 3rd-round pick |
| C Kyle Turris | | D Samuel Girard
LW Vladislav Kamenev
2018 2nd-round pick |
| Oct. 28 | | |
| G Scott Wedgewood | | 2018 5th-round pick |
| Oct. 21 | | |
| C Riley Sheahan
2018 5th-round pick | | C Scott Wilson
2018 3rd-round pick |
| D Ryan Sproul | | LW Matt Puempel |
| Oct. 6 | | |
| G Calvin Pickard | | RW Tobias Lindberg
2018 6th-round pick |
| Sept. 17 | | |
| D Jason Demers | | LW Jamie McGinn |
| July 4 | | |
| C Marcus Kruger | | 2018 5th-round pick |
| July 2 | | |
| LW Marcus Johansson |  | 2018 2nd-round pick
2018 3rd-round pick |
| C Marcus Kruger | | Future considerations |
| July 1 | | |
| D Alexei Emelin | | 2018 3rd-round pick |
| C Colin Wilson | | 2019 4th-round pick |
| G Kristers Gudlevskis | | Carter Verhaeghe |
| June 30 | | |
| RW Jason Pominville
D Marco Scandella
2018 4th-round pick | | LW Tyler Ennis
LW Marcus Foligno
2018 3rd-round pick |
| June 29 | | |
| G Eddie Lack
D Ryan Murphy
2019 7th-round pick
CAR retains 50%
of Lack's salary | | D Keegan Kanzig
2019 6th-round pick |
| June 26 | | |
| D Marc Methot | | G Dylan Ferguson
2020 2nd-round pick |
| June 24 | | |
| D Travis Hamonic
cond'l 4th-round pick | | 2018 1st-round pick
2018 2nd-round pick
cond'l 2nd-round pick |
 | 2017 6th-round pick | | 2017 7th-round pick
2017 7th-round pick |
| 2017 7th-round pick | | 2018 7th-round pick |
| 2017 6th-round pick | | 2018 6th-round pick |
| 2017 4th-round pick | | 2017 5th-round pick
2017 6th-round pick |
| 2017 4th-round pick | | 2017 4th-round pick
2017 6th-round pick |
| 2017 3rd-round pick | | 2017 3rd-round pick
2017 5th-round pick |
| 2017 second-round pick | | RW Keegan Kolesar |
| June 23 | | |
| 2017 2nd-round pick | | 2017 2nd-round pick
2017 3rd-round pick
2017 4th-round pick |
| C Brayden Schenn | | C Jori Lehtera
2017 1st-round pick
2018 cond'l 1st-round pick |
| C Oskar Sundqvist
2017 1st-round pick | | RW Ryan Reaves
2017 2nd-round pick |
| 2017 first-round pick
2017 third-round pick | | 2017 first-round pick |
| D Anthony DeAngelo
2017 1st-round pick | | C Derek Stepan
G Antti Raanta |
| D Connor Murphy
D Laurent Dauphin | | D Niklas Hjalmarsson |
| LW Artemi Panarin
C Tyler Motte
2017 6th-round pick | | LW Brandon Saad
G Anton Forsberg
2018 5th-round pick |
| C Jordan Schroeder | | RW Dante Salituro |
| June 22 | | |
| 2017 2nd-round pick | | D Trevor van Riemsdyk
2018 7th-round pick |
| RW Jordan Eberle | | C Ryan Strome |
| 2019 5th-round pick | | D David Schlemko |
| June 21 | | |
| C Reilly Smith | | 2018 4th-round pick |
| RW Alex Tuch | | 2017 or 2018 3rd-round pick |
| RW David Clarkson
2017 1st-round pick
2019 2nd-round pick |  | Future considerations |
| 2020 2nd-round pick | | Future considerations |
| D Shea Theodore | | Future considerations |
| C Mikhail Grabovski
D Jake Bischoff
2017 1st-round pick
2019 2nd-round pick | | Future considerations |
| LW Nikita Gusev
2017 2nd-round pick
2018 4th-round pick | | Future considerations |
| 2017 5th-round pick | | Future considerations |
| 2017 6th-round pick | | Future considerations |
| June 17 | | |
| D Mirco Mueller
2017 5th-round pick | | 2017 2nd-round pick
2017 4th-round pick |
| D Nathan Beaulieu | | 2017 3rd-round pick |
| G Mike Smith | | G Chad Johnson
D Brandon Hickey
2018 cond'l 3rd-round pick |
| June 16 | | |
| C Nick Cousins | | LW Brendan Warren
G Merrick Madsen
2018 5th-round pick |
| June 15 | | |
| LW Jonathan Drouin
2018 cond'l 6th-round pick | | D Mikhail Sergachev
2018 cond'l 2nd-round pick |
| June 14 | | |
| LW Tyler Graovac | | 2018 5th-round pick |
