Duehr was waived by the Flames on Thursday, Pat Steinberg of Sportsnet 960 The Fan reports.
Duehr finished 2023-24 with seven points over 40 contests.
Duehr posted an assist in Saturday's 6-3 win over the Oilers.
Duehr was recalled from AHL Calgary on Thursday.
Duehr was put on waivers Wednesday, Chris Johnston of The Athletic reports.
Duehr has played in just 10 of the Flames' 35 games since the start of November.
Duehr (illness) will be a healthy scratch against the Golden Knights on Tuesday, per NHL.com.
Duehr (illness) will miss Saturday's game against New Jersey.
Duehr missed Thursday's tilt versus Carolina with the flu.
Duehr scored a goal on two shots and added two PIM in Thursday's 4-3 win over the Sabres.