[2] In March 2018, Bislimi became part of Switzerland U19 with whom he made his debut in a 2–2 home draw against Finland U19 after being named in the starting line-up.
[9] Three days after debut, Bislimi scored his first goal for Kosovo in his second appearance for the country in a 1–1 home draw over Faroe Islands.
[12] On 31 May 2023, Bislimi was named as part of the Switzerland's reserve squad for the UEFA Euro 2024 qualifying matches against Andorra and Romania.
[13] Nine days later, he was included in the finalized Switzerland squad for the UEFA Euro 2024 qualifying matches against Andorra and Romania to replace the injured Breel Embolo.
[14] On 19 June 2023, Bislimi made his debut with Switzerland in the UEFA Euro 2024 qualifying match against Romania after coming on as a substitute at last minutes in place of Xherdan Shaqiri.