Washington Capitals trades
| New York Rangers acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
 | Hubert Labrie | February 9, 2018 | Adam Chapie |  |
| John Albert | Joe Whitney | |||
| New Jersey Devils acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
 | Marcus Johansson | July 2, 2017 | 2018 2nd round pick | |
| 2018 3rd round pick | ||||
| Washington Capitals acquire | Date | Minnesota Wild acquire | ||
|---|---|---|---|---|
| Tyler Graovac | June 14, 2017 | 2018 5th round pick |  |
| Colorado Avalanche acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
 | Joe Cannata | March 1, 2017 | Cody Corbett | |
| Washington Capitals acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| Kevin Shattenkirk | February 27, 2017 | Zach Sanford |  |
| Pheonix Copley | Brad Malone | |||
| 2017 1st round pick | ||||
| 2019 conditional 2nd round pick | ||||
| Washington Capitals acquire | Date | Los Angeles Kings acquire | ||
|---|---|---|---|---|
| Tom Gilbert | February 15, 2017 | Future considerations |  |
| Washington Capitals acquire | Date | Montreal Canadiens acquire | ||
|---|---|---|---|---|
| Lars Eller | June 24, 2016 | 2017 2nd round pick |  |
| 2018 2nd round pick | ||||
| St. Louis Blues acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
| 2016 1st round pick (#26-Tage Thompson) | June 24, 2016 | 2016 1st round pick (#28-Lucas Johansen) | |
| 2016 3rd round pick | ||||
| Washington Capitals acquire | Date | Toronto Maple Leafs acquire | ||
|---|---|---|---|---|
| Daniel Winnik | February 28, 2016 | Brooks Laich |  |
| 2016 5th round pick | Connor Carrick | |||
| 2016 2nd round pick | ||||
| Washington Capitals acquire | Date | Buffalo Sabres acquire | ||
|---|---|---|---|---|
| Mike Weber | February 23, 2016 | 2017 3rd round pick |  |
| Washington Capitals acquire | Date | St. Louis Blues acquire | ||
|---|---|---|---|---|
| T.J. Oshie | July 2, 2015 | Troy Brouwer | |
| Pheonix Copley | ||||
| 2016 3rd round pick | ||||
| New York Rangers acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
| 2015 3rd round pick | June 27, 2015 | 2015 2nd round pick | |
| 2015 4th round pick | ||||
| Washington Capitals acquire | Date | Calgary Flames acquire | ||
|---|---|---|---|---|
| Curtis Glencross | March 1, 2015 | 2015 2nd round pick |  |
| 2015 3rd round pick | ||||
| Washington Capitals acquire | Date | Carolina Hurricanes acquire | ||
|---|---|---|---|---|
| Tim Gleason | February 28, 2015 | Jack Hillen |  |
| 2015 4th round pick | ||||
| Washington Capitals acquire | Date | Winnipeg Jets acquire | ||
|---|---|---|---|---|
| Eddie Pasquale | June 28, 2014 | 2014 6th round pick |  |
| 2014 6th round pick | 2014 7th round pick | |||
| 2015 7th round pick | ||||
| New York Islanders acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
 | Jaroslav Halak | May 1, 2014 | 2014 4th round pick | |
| Nashville Predators acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
 | Jaynen Rissling | April 19, 2014 | 2016 conditional 7th round pick | |
| Washington Capitals acquire | Date | Buffalo Sabres acquire | ||
|---|---|---|---|---|
| Jaroslav Halak | March 5, 2014 | Michal Neuvirth | |
| 2015 3rd round pick | Rostislav Klesla | |||
| Washington Capitals acquire | Date | Anaheim Ducks acquire | ||
|---|---|---|---|---|
| Dustin Penner | March 4, 2014 | 2014 4th round pick |  |
| Arizona Coyotes acquire | Date | Washington Capitals acquire | ||
|---|---|---|---|---|
 | Martin Erat | March 4, 2014 | Chris Brown | |
| John Mitchell | Rostislav Klesla | |||
| 2015 4th round pick | ||||