John Tavares also scored for New York, which won its fourth straight on the road while improving to 10-4-1 away from home this season to pull into a tie with the Rangers for the eighth and final playoff spot in the Eastern Conference.
Scott Hartnell scored twice and Mike Knuble also tallied for the Flyers, who blew a two-goal lead while falling further out of the playoff picture. Philadelphia last missed the playoffs in 2007.
The Isles, who last made the playoffs in 2007, dominated the final two periods of regulation after falling behind 2-0 in the first period.
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