Kammala wannan jumla: Luukkonen ya buga wa Finland wasa a gasar zakarun duniya na matasa 'yan kasa da shekaru 18 da 20. Ya lashe lambar zinare a gasar U18 ta Duniya a shekarar 2016, inda ya zama mai farawa lokacin da Leevi Laakso ya kamu da rashin lafiya da kuma lambar azurfa a shekarar 2017. Ya sake lashe zinare a
Gasar Kofin Duniya ta Hockey ta Duniya ta 2019 a nasarar 3<unk>2 a kan Team USA kuma an nada shi a matsayin mafi kyawun mai tsaron raga na gasar.