Plamondon was the Bloc candidate in his riding for the 2015 Canadian federal election, and was the only Bloc MP elected in 2011 to be running under the party banner again. He was re-elected to a tenth term in the House of Commons, presiding over the House as it elected Geoff Regan as Speaker. He was reelected to an 11th term in October 2019, to retain his position as Dean of the House and preside over the election of Anthony Rota as Speaker.