Notable deals
| New Jersey Devils acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
 | Patrick Maroon | February 26, 2018 | J.D. Dudek |  |
| 2019 3rd round pick | ||||
| Toronto Maple Leafs acquire | Date | Montreal Canadiens acquire | ||
|---|---|---|---|---|
 | Tomas Plekanec | February 25, 2018 | Kerby Rychel |  |
| Kyle Baun | Rinat Valiev | |||
| 2018 2nd round pick | ||||
| Boston Bruins acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
 | Rick Nash | February 25, 2018 | Ryan Spooner |  |
| Matt Beleskey | ||||
| Ryan Lindgren | ||||
| 2018 1st round pick | ||||
| 2019 7th round pick | ||||
| Nashville Predators acquire | Date | Edmonton Oilers acquire | ||
|---|---|---|---|---|
 | Mark Letestu | February 25, 2018 | Pontus Aberg | |
| Columbus Blue Jackets acquire | Date | Nashville Predators acquire | ||
|---|---|---|---|---|
 | Mark Letestu | February 25, 2018 | 2018 4th round pick | |
| Pittsburgh Penguins acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | 2018 3rd round pick | February 23, 2018 | 2018 1st round pick |  |
| Vincent Dunn | Filip Gustavsson | |||
| Derick Brassard | Ian Cole | |||
| 2019 3rd round pick | ||||
| Comment: Part of a three team trade with Las Vegas Knights where Las Vegas retains 40 per cent of Brassard's salary that season. | ||||
| New Jersey Devils acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| Michael Grabner | February 22, 2018 | Yegor Rykov | |
| 2018 2nd round pick | ||||
| Los Angeles Kings acquire | Date | Arizona Coyotes acquire | ||
|---|---|---|---|---|
 | Scott Wedgewood | February 21, 2018 | Darcy Kuemper |  |
| Tobias Rieder | ||||
| Boston Bruins acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
| Nick Holden | February 20, 2018 | Rob O`Gara | |
| 2018 3rd round pick | ||||
| Philadelphia Flyers acquire | Date | Detroit Red Wings acquire | ||
|---|---|---|---|---|
 | Petr Mrazek | February 19, 2018 | 2018 conditional 4th round pick |  |
| 2019 conditional 3rd round pick | ||||
| Ottawa Senators acquire | Date | Los Angeles Kings acquire | ||
|---|---|---|---|---|
| Marian Gaborik | February 13, 2018 | Dion Phaneuf | |
| Nick Shore | Nate Thompson | |||
| Arizona Coyotes acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
| Richard Panik | January 10, 2018 | Anthony Duclair |  |
| Laurent Dauphin | Adam Clendening | |||
| Anaheim Ducks acquire | Date | New Jersey Devils acquire | ||
|---|---|---|---|---|
 | Adam Henrique | November 30, 2017 | Sami Vatanen | |
| Joseph Blandisi | Conditional 3rd round pick | |||
| 2018 3rd round pick | ||||
| Edmonton Oilers acquire | Date | Los Angeles Kings acquire | ||
|---|---|---|---|---|
| Michael Cammalleri | November 14, 2017 | Jussi Jokinen | |
| Ottawa Senators acquire | Date | Colorado Avalanche acquire | ||
|---|---|---|---|---|
| Matt Duchene | November 5, 2017 | Shane Bowers |  |
| Andrew Hammond | ||||
| 2018 conditional 1st round pick | ||||
| 2019 3rd round pick | ||||
| Comment: 3-team trade between Senators, Avalanche and Predators. If Ottawa’s 2018 1st round pick ends up being a top 10 pick, the Sens have the option to give Colorado their 2019 1st round pick instead. | ||||
| Nashville Predators acquire | Date | Colorado Avalanche acquire | ||
|---|---|---|---|---|
| Kyle Turris | November 5, 2017 | Samuel Girard | |
| Vladislav Kamenev | ||||
| 2018 2nd round pick | ||||
| Comment: 3-team trade between Senators, Avalanche and Predators | ||||
| Pittsburgh Penguins acquire | Date | Detroit Red Wings acquire | ||
|---|---|---|---|---|
| Riley Sheahan | October 21, 2017 | Scott Wilson | |
| 2018 5th round pick | 2018 3rd round pick | |||
| Arizona Coyotes acquire | Date | Florida Panthers acquire | ||
|---|---|---|---|---|
| Jason Demers | September 17, 2017 | Jamie McGinn |  |
| New Jersey Devils acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
| Marcus Johansson | July 2, 2017 | 2018 2nd round pick |  |
| 2018 3rd round pick | ||||
| Minnesota Wild acquire | Date | Buffalo Sabres acquire | ||
|---|---|---|---|---|
 | Tyler Ennis | June 30, 2017 | Marco Scandella |  |
| Marcus Foligno | Jason Pominville | |||
| 2018 3rd round pick | 2018 4th round pick | |||