BTS and LE SSERAFIM will perform at the 2026 iHeartRadio Music Festival in Las Vegas [1], [2].

The inclusion of these South Korean acts signals a strategic effort by iHeartMedia to broaden the festival's appeal and showcase international talent [2], [4]. This move reflects the growing global influence of K-pop and its ability to draw massive audiences to U.S. venues.

The event is scheduled for September 18-19, 2026 [1], [2]. Performances will take place at the T-Mobile Arena in Las Vegas, Nevada [1], [2]. The festival is planned as a two-day event [2].

LE SSERAFIM is set to be the first K-pop girl group to perform at the iHeartRadio Music Festival [3]. Their appearance alongside BTS marks a significant milestone for the group's presence in the U.S. market.

Reports on the timing of the lineup announcement vary. One source said the announcement occurred June 2, 2026 [5], while another said the date was June 30, 2026 [6].

Both groups join a diverse roster of artists for the Las Vegas showcase. The festival continues to integrate global music trends into its programming to maintain relevance with younger, digitally connected demographics.

BTS and LE SSERAFIM will perform at the 2026 iHeartRadio Music Festival in Las Vegas

The addition of both a premier boy band and a pioneering girl group from South Korea suggests that iHeartRadio is pivoting toward a more globalized programming strategy. By securing these acts, the festival ensures a high volume of ticket sales and digital engagement from a dedicated international fanbase, cementing K-pop's transition from a niche interest to a primary driver of U.S. live entertainment revenue.