2017–18 NHL transactions
The following is a list of all team-to-team transactions that have occurred in the National Hockey League during the 2017–18 NHL season. It lists which team each player has been traded to, signed by, or claimed by, and for which player or draft pick, if applicable. Players who have retired are also listed.
The 2017–18 NHL trade deadline was on February 26, 2018. Players traded after this date were not be eligible to play in the 2018 Stanley Cup playoffs.
Retirement
Contract terminations
A team and player may mutually agree to terminate a player's contract at any time. All players must clear waivers before having a contract terminated.Buyouts can only occur at specific times of the year. For more details on contract terminations as buyouts:
Contract buyout specifications
Teams may buy out player contracts for a portion of the remaining value of the contract, paid over a period of twice the remaining length of the contract. This reduced number and extended period is applied to the cap hit as well.
- If the player was under the age of 26 at the time of the buyout the player's pay and cap hit will reduced by a factor of 2/3 over the extended period.
- If the player was 26 or older at the time of the buyout the player's pay and cap hit will reduced by a factor of 1/3 over the extended period.
- If the player was 35 or older at the time of signing the contract the player's pay will be reduced by a factor of 1/3, but the cap hit will not be reduced over the extended period.
| Date | Name | Previous team | Notes | Ref |
| June 23, 2017 | Los Angeles Kings | Buyout | ||
| June 27, 2017 | Dallas Stars | Buyout | ||
| June 29, 2017 | Columbus Blue Jackets | Buyout | ||
| June 30, 2017 | Edmonton Oilers | Buyout | ||
| July 1, 2017 | Calgary Flames | Buyout | ||
| July 1, 2017 | Calgary Flames | Buyout | ||
| July 1, 2017 | New Jersey Devils | Buyout | ||
| July 1, 2017 | New Jersey Devils | Buyout | ||
| July 1, 2017 | Florida Panthers | Buyout | ||
| July 1, 2017 | Boston Bruins | Buyout | ||
| July 1, 2017 | Winnipeg Jets | Buyout | ||
| August 14, 2017 | Nashville Predators | Mutual termination | ||
| August 15, 2017 | Toronto Maple Leafs | Mutual termination | ||
| September 18, 2017 | Tampa Bay Lightning | Mutual termination | ||
| September 18, 2017 | Tampa Bay Lightning | Mutual termination | ||
| October 2, 2017 | New York Rangers | Mutual termination | ||
| October 16, 2017 | Montreal Canadiens | Mutual termination | ||
| October 21, 2017 | New York Rangers | Mutual termination | ||
| October 29, 2017 | Montreal Canadiens | Mutual termination | ||
| November 21, 2017 | Vancouver Canucks | Mutual termination | ||
| November 22, 2017 | Edmonton Oilers | Mutual termination | ||
| November 27, 2017 | Los Angeles Kings | Mutual termination | ||
| January 2, 2018 | Arizona Coyotes | Mutual termination | ||
| February 13, 2018 | Anaheim Ducks | Mutual termination | ||
| March 3, 2018 | Colorado Avalanche | Mutual termination | ||
| April 11, 2018 | New York Rangers | Mutual termination | ||
| May 9, 2018 | New Jersey Devils | Mutual termination | ||
| June 20, 2018 | New York Rangers | Mutual termination |
Free agency
Note: This does not include players who have re-signed with their previous team as an unrestricted free agent or as a restricted free agent.| Date | Player | New team | Previous team | Ref |
| July 1, 2017 | Los Angeles Kings | Buffalo Sabres | ||
| July 1, 2017 | Philadelphia Flyers | Calgary Flames | ||
| July 1, 2017 | Vancouver Canucks | Buffalo Sabres | ||
| July 1, 2017 | Vancouver Canucks | Columbus Blue Jackets | ||
| July 1, 2017 | Vancouver Canucks | Philadelphia Flyers | ||
| July 1, 2017 | Winnipeg Jets | Philadelphia Flyers | ||
| July 1, 2017 | Tampa Bay Lightning | New York Rangers | ||
| July 1, 2017 | Detroit Red Wings | Pittsburgh Penguins | ||
| July 1, 2017 | Buffalo Sabres | Arizona Coyotes | ||
| July 1, 2017 | Chicago Blackhawks | Dallas Stars | ||
| July 1, 2017 | Colorado Avalanche | Anaheim Ducks | ||
| July 1, 2017 | Florida Panthers | San Jose Sharks | ||
| July 1, 2017 | Dallas Stars | Minnesota Wild | ||
| July 1, 2017 | Anaheim Ducks | Vancouver Canucks | ||
| July 1, 2017 | New York Rangers | Winnipeg Jets | ||
| July 1, 2017 | Montreal Canadiens | Washington Capitals | ||
| July 1, 2017 | Boston Bruins | St. Louis Blues | ||
| July 1, 2017 | Nashville Predators | Pittsburgh Penguins | ||
| July 1, 2017 | Toronto Maple Leafs | Pittsburgh Penguins | ||
| July 1, 2017 | Pittsburgh Penguins | Toronto Maple Leafs | ||
| July 1, 2017 | Florida Panthers | San Jose Sharks | ||
| July 1, 2017 | Detroit Red Wings | Tampa Bay Lightning | ||
| July 1, 2017 | Ottawa Senators | Anaheim Ducks | ||
| July 1, 2017 | Winnipeg Jets | Buffalo Sabres | ||
| July 1, 2017 | Arizona Coyotes | New York Rangers | ||
| July 1, 2017 | New Jersey Devils | Toronto Maple Leafs | ||
| July 1, 2017 | Minnesota Wild | St. Louis Blues | ||
| July 1, 2017 | Carolina Hurricanes | Arizona Coyotes | ||
| July 1, 2017 | Carolina Hurricanes | Washington Capitals | ||
| July 1, 2017 | Buffalo Sabres | Edmonton Oilers | ||
| July 1, 2017 | Pittsburgh Penguins | Dallas Stars | ||
| July 1, 2017 | Dallas Stars | Edmonton Oilers | ||
| July 1, 2017 | St. Louis Blues | Vegas Golden Knights | ||
| July 1, 2017 | Chicago Blackhawks | Ottawa Senators | ||
| July 1, 2017 | Los Angeles Kings | New Jersey Devils | ||
| July 1, 2017 | Edmonton Oilers | St. Louis Blues | ||
| July 1, 2017 | Chicago Blackhawks | Edmonton Oilers | ||
| July 1, 2017 | Chicago Blackhawks | Vegas Golden Knights | ||
| July 1, 2017 | Minnesota Wild | Calgary Flames | ||
| July 1, 2017 | Minnesota Wild | Buffalo Sabres | ||
| July 1, 2017 | Montreal Canadiens | Tampa Bay Lightning | ||
| July 1, 2017 | Montreal Canadiens | Arizona Coyotes | ||
| July 1, 2017 | Boston Bruins | Winnipeg Jets | ||
| July 1, 2017 | St. Louis Blues | New Jersey Devils | ||
| July 1, 2017 | Chicago Blackhawks | Calgary Flames | ||
| July 1, 2017 | Ottawa Senators | Boston Bruins | ||
| July 1, 2017 | Washington Capitals | Winnipeg Jets | ||
| July 1, 2017 | San Jose Sharks | Toronto Maple Leafs | ||
| July 1, 2017 | Vancouver Canucks | Colorado Avalanche | ||
| July 1, 2017 | Tampa Bay Lightning | Arizona Coyotes | ||
| July 1, 2017 | Los Angeles Kings | Minnesota Wild | ||
| July 1, 2017 | Nashville Predators | Ottawa Senators | ||
| July 1, 2017 | Minnesota Wild | Boston Bruins | ||
| July 1, 2017 | Detroit Red Wings | Colorado Avalanche | ||
| July 1, 2017 | Tampa Bay Lightning | Carolina Hurricanes | ||
| July 1, 2017 | Dallas Stars | Montreal Canadiens | ||
| July 1, 2017 | Nashville Predators | Columbus Blue Jackets | ||
| July 1, 2017 | Montreal Canadiens | Tampa Bay Lightning | ||
| July 1, 2017 | Buffalo Sabres | Toronto Maple Leafs | ||
| July 1, 2017 | Anaheim Ducks | Buffalo Sabres | ||
| July 1, 2017 | Winnipeg Jets | Florida Panthers | ||
| July 1, 2017 | Carolina Hurricanes | Colorado Avalanche | ||
| July 1, 2017 | Carolina Hurricanes | Winnipeg Jets | ||
| July 1, 2017 | Los Angeles Kings | Calgary Flames | ||
| July 1, 2017 | Vancouver Canucks | Arizona Coyotes | ||
| July 1, 2017 | New York Islanders | New Jersey Devils | ||
| July 1, 2017 | Buffalo Sabres | Pittsburgh Penguins | ||
| July 1, 2017 | Buffalo Sabres | Florida Panthers | ||
| July 1, 2017 | Columbus Blue Jackets | Pittsburgh Penguins | ||
| July 1, 2017 | New York Rangers | Washington Capitals | ||
| July 1, 2017 | Florida Panthers | Arizona Coyotes | ||
| July 1, 2017 | Montreal Canadiens | Boston Bruins | ||
| July 1, 2017 | Minnesota Wild | Florida Panthers | ||
| July 1, 2017 | Ottawa Senators | Buffalo Sabres | ||
| July 1, 2017 | Tampa Bay Lightning | Buffalo Sabres | ||
| July 1, 2017 | Philadelphia Flyers | Ottawa Senators | ||
| July 1, 2017 | Minnesota Wild | Columbus Blue Jackets | ||
| July 1, 2017 | Edmonton Oilers | Detroit Red Wings | ||
| July 1, 2017 | Toronto Maple Leafs | Boston Bruins | ||
| July 1, 2017 | New York Rangers | Washington Capitals | ||
| July 1, 2017 | Tampa Bay Lightning | Pittsburgh Penguins | ||
| July 1, 2017 | Winnipeg Jets | San Jose Sharks | ||
| July 1, 2017 | Edmonton Oilers | Detroit Red Wings | ||
| July 1, 2017 | Edmonton Oilers | Montreal Canadiens | ||
| July 1, 2017 | Buffalo Sabres | Carolina Hurricanes | ||
| July 1, 2017 | Dallas Stars | Tampa Bay Lightning | ||
| July 1, 2017 | Calgary Flames | New York Rangers | ||
| July 1, 2017 | New York Rangers | Buffalo Sabres | ||
| July 1, 2017 | Nashville Predators | Chicago Blackhawks | ||
| July 1, 2017 | Dallas Stars | Florida Panthers | ||
| July 1, 2017 | Edmonton Oilers | Columbus Blue Jackets | ||
| July 1, 2017 | Pittsburgh Penguins | Arizona Coyotes | ||
| July 1, 2017 | Pittsburgh Penguins | Tampa Bay Lightning | ||
| July 1, 2017 | Pittsburgh Penguins | Los Angeles Kings | ||
| July 1, 2017 | Pittsburgh Penguins | New York Rangers | ||
| July 1, 2017 | Winnipeg Jets | Los Angeles Kings | ||
| July 1, 2017 | Toronto Maple Leafs | Los Angeles Kings | ||
| July 1, 2017 | Toronto Maple Leafs | Arizona Coyotes | ||
| July 1, 2017 | Florida Panthers | Vegas Golden Knights | ||
| July 1, 2017 | Colorado Avalanche | Pittsburgh Penguins | ||
| July 1, 2017 | Colorado Avalanche | St. Louis Blues | ||
| July 1, 2017 | New Jersey Devils | Winnipeg Jets | ||
| July 1, 2017 | New Jersey Devils | New York Islanders | ||
| July 1, 2017 | Arizona Coyotes | Montreal Canadiens | ||
| July 1, 2017 | Arizona Coyotes | Boston Bruins | ||
| July 1, 2017 | Arizona Coyotes | Colorado Avalanche | ||
| July 1, 2017 | Arizona Coyotes | Toronto Maple Leafs | ||
| July 1, 2017 | Buffalo Sabres | New Jersey Devils | ||
| July 1, 2017 | Los Angeles Kings | Minnesota Wild | ||
| July 1, 2017 | Edmonton Oilers | Boston Bruins | ||
| July 1, 2017 | Edmonton Oilers | Arizona Coyotes | ||
| July 1, 2017 | Vegas Golden Knights | Nashville Predators | ||
| July 1, 2017 | Vegas Golden Knights | Boston Bruins | ||
| July 1, 2017 | Vegas Golden Knights | Dallas Stars | ||
| July 1, 2017 | Vegas Golden Knights | Florida Panthers | ||
| July 1, 2017 | Vegas Golden Knights | Montreal Canadiens | ||
| July 1, 2017 | Vegas Golden Knights | Columbus Blue Jackets | ||
| July 1, 2017 | Anaheim Ducks | Nashville Predators | ||
| July 2, 2017 | Calgary Flames | New Jersey Devils | ||
| July 2, 2017 | Toronto Maple Leafs | San Jose Sharks | ||
| July 2, 2017 | Anaheim Ducks | Toronto Maple Leafs | ||
| July 2, 2017 | Florida Panthers | Vancouver Canucks | ||
| July 3, 2017 | Washington Capitals | New Jersey Devils | ||
| July 3, 2017 | Montreal Canadiens | Dallas Stars | ||
| July 3, 2017 | Vegas Golden Knights | Columbus Blue Jackets | ||
| July 3, 2017 | Dallas Stars | Montreal Canadiens | ||
| July 3, 2017 | Edmonton Oilers | St. Louis Blues | ||
| July 4, 2017 | Colorado Avalanche | St. Louis Blues | ||
| July 4, 2017 | San Jose Sharks | Calgary Flames | ||
| July 4, 2017 | New York Rangers | Edmonton Oilers | ||
| July 4, 2017 | Arizona Coyotes | Chicago Blackhawks | ||
| July 5, 2017 | Anaheim Ducks | Florida Panthers | ||
| July 5, 2017 | Arizona Coyotes | Anaheim Ducks | ||
| July 7, 2017 | Edmonton Oilers | Florida Panthers | ||
| July 7, 2017 | Anaheim Ducks | Chicago Blackhawks | ||
| July 10, 2017 | Edmonton Oilers | New Jersey Devils | ||
| July 24, 2017 | Ottawa Senators | Chicago Blackhawks | ||
| July 25, 2017 | Montreal Canadiens | Pittsburgh Penguins | ||
| July 25, 2017 | Colorado Avalanche | New York Islanders | ||
| August 2, 2017 | St. Louis Blues | Minnesota Wild | ||
| August 16, 2017 | Minnesota Wild | Pittsburgh Penguins | ||
| August 16, 2017 | Colorado Avalanche | Toronto Maple Leafs | ||
| August 21, 2017 | Anaheim Ducks | Colorado Avalanche | ||
| August 21, 2017 | Columbus Blue Jackets | New York Islanders | ||
| August 24, 2017 | Colorado Avalanche | New Jersey Devils | ||
| August 25, 2017 | New Jersey Devils | Boston Bruins | ||
| August 26, 2017 | Winnipeg Jets | Edmonton Oilers | ||
| August 27, 2017 | New Jersey Devils | Colorado Avalanche | ||
| September 1, 2017 | Vancouver Canucks | Florida Panthers | ||
| September 11, 2017 | San Jose Sharks | Chicago Blackhawks | ||
| October 1, 2017 | New Jersey Devils | Boston Bruins | ||
| October 3, 2017 | Calgary Flames | New York Rangers | ||
| October 4, 2017 | Chicago Blackhawks | Buffalo Sabres | ||
| October 4, 2017 | Vegas Golden Knights | New York Rangers | ||
| October 4, 2017 | Washington Capitals | Calgary Flames | ||
| October 4, 2017 | Minnesota Wild | Washington Capitals | ||
| October 4, 2017 | Calgary Flames | Florida Panthers | ||
| October 19, 2017 | Los Angeles Kings | Toronto Maple Leafs | ||
| November 16, 2017 | Calgary Flames | St. Louis Blues | ||
| December 5, 2017 | New York Rangers | Nashville Predators | ||
| February 25, 2018 | Calgary Flames | Colorado Avalanche | ||
| February 25, 2018 | Ottawa Senators | Colorado Avalanche | ||
| February 25, 2018 | Boston Bruins | Buffalo Sabres | ||
| February 25, 2018 | Anaheim Ducks | Ottawa Senators |
Imports
This section is for players who were not previously on contract with NHL teams in the past season. Listed is their previous team and the league that they belonged to.| Date | Player | New team | Previous team | League | Ref |
| July 1, 2017 | Calgary Flames | Union Dutchmen | NCAA | ||
| July 1, 2017 | Florida Panthers | SKA Saint Petersburg | KHL | ||
| July 1, 2017 | Minnesota Wild | Salavat Yulaev Ufa | KHL | ||
| July 1, 2017 | Nashville Predators | Rogle BK | SHL | ||
| July 1, 2017 | Boston Bruins | Providence Bruins | AHL | ||
| July 1, 2017 | Buffalo Sabres | Grand Rapids Griffins | AHL | ||
| July 1, 2017 | New York Islanders | Bridgeport Sound Tigers | AHL | ||
| July 1, 2017 | Ottawa Senators | Kolner Haie | DEL | ||
| July 1, 2017 | Ottawa Senators | Albany Devils | AHL | ||
| July 1, 2017 | Ottawa Senators | HC Sibir Novosibirsk | KHL | ||
| July 1, 2017 | Philadelphia Flyers | Lehigh Valley Phantoms | AHL | ||
| July 1, 2017 | Columbus Blue Jackets | Malmo Redhawks | SHL | ||
| July 1, 2017 | Tampa Bay Lightning | San Jose Barracuda | AHL | ||
| July 1, 2017 | New Jersey Devils | Albany Devils | AHL | ||
| July 1, 2017 | Florida Panthers | Utica Comets | AHL | ||
| July 1, 2017 | Pittsburgh Penguins | Wilkes-Barre/Scranton Penguins | AHL | ||
| July 2, 2017 | Anaheim Ducks | San Diego Gulls | AHL | ||
| July 3, 2017 | Washington Capitals | Oulun Karpat | Liiga | ||
| July 3, 2017 | Pittsburgh Penguins | Manitoba Moose | AHL | ||
| July 6, 2017 | Pittsburgh Penguins | Minnesota–Duluth Bulldogs | NCAA | ||
| July 11, 2017 | Washington Capitals | Providence Bruins | AHL | ||
| July 13, 2017 | San Jose Sharks | Lincoln Stars | USHL | ||
| July 17, 2017 | New York Rangers | HC TPS | Liiga | ||
| July 28, 2017 | Chicago Blackhawks | Merrimack Warriors | NCAA | ||
| September 7, 2017 | San Jose Sharks | San Jose Barracuda | AHL | ||
| September 13, 2017 | Pittsburgh Penguins | Saint John Sea Dogs | QMJHL | ||
| September 16, 2017 | Pittsburgh Penguins | Lethbridge Hurricanes | WHL | ||
| September 18, 2017 | Minnesota Wild | Quebec Remparts | QMJHL | ||
| September 19, 2017 | Ottawa Senators | Prince Albert Raiders | WHL | ||
| September 20, 2017 | Vegas Golden Knights | Tri-City Americans | WHL | ||
| September 22, 2017 | Florida Panthers | Springfield Thunderbirds | AHL | ||
| September 25, 2017 | Pittsburgh Penguins | London Knights | OHL | ||
| September 26, 2017 | Minnesota Wild | Lethbridge Hurricanes | WHL | ||
| October 2, 2017 | Detroit Red Wings | Avangard Omsk | KHL | ||
| October 2, 2017 | Colorado Avalanche | Brandon Wheat Kings | WHL | ||
| October 3, 2017 | Detroit Red Wings | Hamilton Bulldogs | OHL | ||
| October 3, 2017 | Boston Bruins | Oshawa Generals | OHL | ||
| October 24, 2017 | Ottawa Senators | Belleville Senators | AHL | ||
| November 3, 2017 | Columbus Blue Jackets | Halifax Mooseheads | QMJHL | ||
| November 20, 2017 | Florida Panthers | Springfield Thunderbirds | AHL | ||
| November 27, 2017 | Los Angeles Kings | Seattle Thunderbirds | WHL | ||
| December 8, 2017 | Los Angeles Kings | Portland Winterhawks | WHL | ||
| December 26, 2017 | Ottawa Senators | Barrie Colts | OHL | ||
| December 28, 2017 | Edmonton Oilers | Saskatoon Blades | WHL | ||
| December 28, 2017 | San Jose Sharks | Moose Jaw Warriors | WHL | ||
| January 24, 2018 | Columbus Blue Jackets | Geneve-Servette HC | NL | ||
| February 7, 2018 | Vancouver Canucks | Utica Comets | AHL | ||
| February 25, 2018 | Boston Bruins | Providence Bruins | AHL | ||
| February 25, 2018 | Philadelphia Flyers | Lehigh Valley Phantoms | AHL | ||
| March 1, 2018 | Tampa Bay Lightning | Blainville-Boisbriand Armada | QMJHL | ||
| March 1, 2018 | Arizona Coyotes | Moose Jaw Warriors | WHL | ||
| March 2, 2018 | San Jose Sharks | EHC Kloten | NL | ||
| March 5, 2018 | Edmonton Oilers | UMass Boston Beacons | NCAA III | ||
| March 6, 2018 | Chicago Blackhawks | Rockford IceHogs | AHL | ||
| March 8, 2018 | Vegas Golden Knights | Bemidji State Beavers | NCAA | ||
| March 9, 2018 | Florida Panthers | Everett Silvertips | WHL | ||
| March 15, 2018 | New York Islanders | Bridgeport Sound Tigers | AHL | ||
| March 17, 2018 | Toronto Maple Leafs | Toronto Marlies | AHL | ||
| March 20, 2018 | Anaheim Ducks | Miami RedHawks | NCAA | ||
| March 24, 2018 | New Jersey Devils | North Dakota Fighting Hawks | NCAA | ||
| March 24, 2018 | Montreal Canadiens | Sault Ste. Marie Greyhounds | OHL | ||
| March 25, 2018 | St. Louis Blues | Michigan Tech Huskies | NCAA | ||
| March 26, 2018 | Columbus Blue Jackets | Princeton Tigers | NCAA | ||
| March 28, 2018 | Ottawa Senators | Penn State Nittany Lions | NCAA | ||
| March 29, 2018 | Los Angeles Kings | Minnesota State Mavericks | NCAA | ||
| March 30, 2018 | Los Angeles Kings | Clarkson Golden Knights | NCAA | ||
| April 2, 2018 | Nashville Predators | Moose Jaw Warriors | WHL | ||
| April 3, 2018 | Nashville Predators | SaiPa | Liiga | ||
| April 3, 2018 | San Jose Sharks | HC Spartak Moscow | KHL | ||
| April 5, 2018 | Colorado Avalanche | Clarkson Golden Knights | NCAA | ||
| April 6, 2018 | New York Islanders | HC Fribourg-Gotteron | NL | ||
| April 8, 2018 | Dallas Stars | Michigan Wolverines | NCAA | ||
| April 10, 2018 | Boston Bruins | Minnesota–Duluth Bulldogs | NCAA | ||
| April 11, 2018 | Buffalo Sabres | Notre Dame Fighting Irish | NCAA | ||
| April 12, 2018 | Arizona Coyotes | Notre Dame Fighting Irish | NCAA | ||
| April 24, 2018 | Montreal Canadiens | Blainville-Boisbriand Armada | QMJHL | ||
| April 26, 2018 | Nashville Predators | HC Plzen | ELH | ||
| April 28, 2018 | Chicago Blackhawks | EHC Red Bull Munchen | DEL | ||
| May 1, 2018 | Los Angeles Kings | Lethbridge Hurricanes | WHL | ||
| May 2, 2018 | New York Rangers | Farjestad BK | SHL | ||
| May 2, 2018 | Minnesota Wild | Vaxjo Lakers | SHL | ||
| May 2, 2018 | Colorado Avalanche | Traktor Chelyabinsk | KHL | ||
| May 2, 2018 | Washington Capitals | Brynas IF | SHL | ||
| May 3, 2018 | New York Rangers | Ilves | Liiga | ||
| May 3, 2018 | Boston Bruins | Providence Bruins | AHL | ||
| May 7, 2018 | Nashville Predators | HC Bili Tygri Liberec | ELH | ||
| May 8, 2018 | New York Islanders | Bridgeport Sound Tigers | AHL | ||
| May 9, 2018 | Washington Capitals | Dusseldorfer EG | DEL | ||
| May 9, 2018 | Washington Capitals | Hershey Bears | AHL | ||
| May 9, 2018 | Nashville Predators | Karlskrona HK | SHL | ||
| May 15, 2018 | Arizona Coyotes | HV71 | SHL | ||
| May 15, 2018 | Buffalo Sabres | HV71 | SHL | ||
| May 17, 2018 | Toronto Maple Leafs | Skelleftea AIK | SHL | ||
| May 17, 2018 | Toronto Maple Leafs | HC CSKA Moscow | KHL | ||
| May 18, 2018 | Carolina Hurricanes | Oulun Karpat | Liiga | ||
| May 18, 2018 | Edmonton Oilers | Vaxjo Lakers | SHL | ||
| May 18, 2018 | Pittsburgh Penguins | KalPa | Liiga | ||
| May 21, 2018 | New Jersey Devils | SKA Saint Petersburg | KHL | ||
| May 21, 2018 | Chicago Blackhawks | Rockford IceHogs | AHL | ||
| May 21, 2018 | Chicago Blackhawks | HIFK | Liiga | ||
| May 21, 2018 | Detroit Red Wings | Mountfield HK | ELH | ||
| May 23, 2018 | Arizona Coyotes | Lokomotiv Yaroslavl | KHL | ||
| May 28, 2018 | Montreal Canadiens | HC Plzen | ELH | ||
| May 28, 2018 | Montreal Canadiens | HC Plzen | ELH | ||
| May 31, 2018 | Chicago Blackhawks | Mora IK | SHL | ||
| June 1, 2018 | Florida Panthers | HC CSKA Moscow | KHL | ||
| June 1, 2018 | Vegas Golden Knights | Wilkes-Barre/Scranton Penguins | AHL | ||
| June 1, 2018 | Tampa Bay Lightning | Syracuse Crunch | AHL |
Trades
* Retained Salary Transaction: Each team is allowed up to three contracts on their payroll where they have retained salary in a trade. Only up to 50% of a player's contract can be kept, and only up to 15% of a team's salary cap can be taken up by retained salary. A contract can only be involved in one of these trades twice.Hover over retained salary or conditional transactions for more information.
June
July
September
October
November
December
January
February
March
May
June (2018)
Waivers
Once an NHL player has played in a certain number of games or a set number of seasons has passed since the signing of his first NHL contract, that player must be offered to all of the other NHL teams before he can be assigned to a minor league affiliate.| Date | Player | New team | Previous team | Ref |
| September 27, 2017 | Buffalo Sabres | Los Angeles Kings | ||
| October 3, 2017 | Colorado Avalanche | Dallas Stars | ||
| October 3, 2017 | Vegas Golden Knights | Boston Bruins | ||
| October 9, 2017 | New York Rangers | Dallas Stars | ||
| October 24, 2017 | Florida Panthers | Pittsburgh Penguins | ||
| November 14, 2017 | Montreal Canadiens | Florida Panthers | ||
| November 22, 2017 | Ottawa Senators | Tampa Bay Lightning | ||
| November 24, 2017 | Tampa Bay Lightning | Ottawa Senators | ||
| November 30, 2017 | Minnesota Wild | St. Louis Blues | ||
| December 1, 2017 | Edmonton Oilers | Washington Capitals | ||
| December 2, 2017 | Ottawa Senators | Tampa Bay Lightning | ||
| December 3, 2017 | Edmonton Oilers | Montreal Canadiens | ||
| December 13, 2017 | Vegas Golden Knights | San Jose Sharks | ||
| December 20, 2017 | Washington Capitals | Edmonton Oilers | ||
| January 4, 2018 | Arizona Coyotes | Calgary Flames | ||
| January 14, 2018 | Anaheim Ducks | Tampa Bay Lightning | ||
| January 15, 2018 | Montreal Canadiens | Anaheim Ducks | ||
| January 17, 2018 | Columbus Blue Jackets | Los Angeles Kings | ||
| January 25, 2018 | New York Rangers | Nashville Predators | ||
| January 26, 2018 | Ottawa Senators | St. Louis Blues | ||
| February 21, 2018 | Columbus Blue Jackets | Washington Capitals | ||
| February 21, 2018 | Tampa Bay Lightning | Ottawa Senators | ||
| February 26, 2018 | Colorado Avalanche | Philadelphia Flyers | ||
| February 26, 2018 | Philadelphia Flyers | Ottawa Senators | ||
| February 26, 2018 | Calgary Flames | Minnesota Wild |