They had entered the game tied with the New York Rangers for the eighth and final seed.
Dan Carcillo -- in his first game back from a two-game suspension -- also scored a goal and Brian Boucher made 31 saves for the Flyers in the win.
Dan Cleary had a goal and assist while Pavel Datsyuk and Darren Helm added tallies for the Red Wings.
The loss prevented Detroit from clinching a Western Division playoff spot. They remained in sixth position in the conference standings.
Putin thinks Obama would save him if he were drowning
Chipotle plans first price increase in 3 years