Soundside Music Festival is set to make its highly anticipated return to Seaside Park in Bridgeport, Connecticut, on September 27-28, 2025, with a stellar lineup featuring The Killers, Hozier, Weezer, and Vampire Weekend as headliners. Formerly known as Sound On Sound in its first two years, the festival has continued to grow, bringing an eclectic mix of rock, indie, and alternative artists to the Connecticut coast.

Joining the headliners are Djo, Japanese Breakfast, The Last Dinner Party, Inhaler, Rachel Chinouriri, and Wild Rivers, among many others. The 2025 edition will also see performances from rising stars Hollow Coves, Dipsea Flower, The Backseat Lovers, Remi Wolf, Chelsea Cutler, and Alex Warren, ensuring a dynamic and diverse weekend of live music.

Presale tickets for Soundside 2025 go live on Thursday, April 3, at 10 am ET, with general sales following at 11 am ET, pending availability. With an impressive lineup and the festival’s growing reputation, tickets are expected to sell fast.

Fans eager to experience a weekend of unforgettable performances in a scenic waterfront setting should secure their spots early.