Chris Higgins also scored for Vancouver and Roberto Luongo made the win stand with 20 saves.
Tye McGinn scored both goals for the Flyers, who dropped to 1-6. The Flyers haven't scored more than two goals in a game this season.
Higgins and Kesler and each scored in the third period to rally Vancouver. The Flyers fell to 1-3 under coach Craig Berube.
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