Iheartradio Music Festival Las Vegas 2024 Lineup. The iheartradio music festival in 2024 is set to take place friday, september 20, and saturday, september 21, at the t mobile arena.  — find out who is playing live at iheartradio music festival 2024 in las vegas in sep 2024.

Discover the lineup, dates, venue, and more.  — find out who is playing live at iheartradio music festival 2024 in las vegas in sep 2024.