On July 1, 2014, Spezza was traded to the Dallas Stars (along with Ludwig Karlsson) in exchange for Alex Chiasson, Alex Guptill, Nick Paul and a second-round pick in the 2015 NHL Entry Draft.
On November 21, Spezza signed a four-year contract with Dallas (effective from the 2015–16 season through to the 2018–19 season) worth an annual average value of $7.5 million.
He recorded 17 goals and 45 assists in 82 games in his first season with the Stars, as they missed the 2015 playoffs.
His offensive production improved the following season, scoring 33 goals in 75 games as the Stars qualified for the 2016 playoffs as the top seed in the Western Conference.

On October 30, 2018, in a 4–1 win over the Montreal Canadiens, Spezza played in his 1,000th career NHL game.
On July 1, 2014, Spezza was traded to the Dallas Stars (along with Ludwig Karlsson) in exchange for Alex Chiasson, Alex Guptill, Nick Paul and a second-round pick in the 2015 NHL Entry Draft. On November 21, Spezza signed a four-year contract with Dallas (effective from the 2015–16 season through to the 2018–19 season) worth an annual average value of $7.5 million. He recorded 17 goals and 45 assists in 82 games in his first season with the Stars, as they missed the 2015 playoffs. His offensive production improved the following season, scoring 33 goals in 75 games as the Stars qualified for the 2016 playoffs as the top seed in the Western Conference.
On October 30, 2018, in a 4–1 win over the Montreal Canadiens, Spezza played in his 1,000th career NHL game.
Jason Spezza