Rubuta ci gaba don wannan sakin layi - Bayan nasarar gasar zakarun Turai, kakar 2014-15 ta ga Casillas ya dawo ya zama mai tsaron gidan farko na kulob din, duk da gasar daga sabon zuwan Keylor Navas, yayin da ya ci gaba da lashe Kofin Super na UEFA, tare da Real Madrid ta doke Sevilla 2 <unk> 0 a ranar 12 ga Agusta 2014. Daga nan kuma ya lashe gasar cin kofin duniya ta FIFA.
daga baya a wannan shekarar, ya yi wasan 700 na Madrid a ranar 20 ga Disamba, 2014, a wasan karshe na gasar cin kofin duniya ta FIFA ta 2014, yayin da Real Madrid ta doke San Lorenzo 2 <unk> 0. A watan Mayu na 2015, Casillas ya buga wasan kusa da na karshe na gasar zakarun Turai da Juventus, inda tawagarsa ta yi rashin nasara da 3-2.