Belfast City Council and Comhaltas Ceoltóirí Éireann announced seven new headline acts for Fleadh Cheoil na hÉireann, marking 100 days until the event. The festival runs from Sunday 2 August to Sunday 9 August. Belfast hosts the All-Ireland Fleadh for the first time.

Performances take place on the Gig Rig stage outside Belfast City Hall. Sharon Shannon and her Big Band, Goitse, and Blackwater Céilí Band appear on the opening day, Sunday 2 August. Tempest Ceol and NxNW perform on Wednesday 5 August. Conor Mallon plays on Thursday 6 August. TRIP performs on Friday 7 August. Peter Street and Mec Lir take the stage on Saturday 8 August.

The main stage hosts free live performances daily, including multi-cultural acts and cross-community collaborations. The opening includes over 100 children from schools in North Down and Belfast in a choir project. A collaboration features Ards CCÉ, South Asian Dance Academy, and Belfast Bands Forum, with Irish dancers led by Lauren Smyth.

Flagship events return for Comhaltas's 75th anniversary and Ards CCÉ's 50th. Ards CCÉ holds a concert in Ulster Hall. Ceol na Cruinne showcase and Comhaltas National Folk Orchestra perform there. The Flanagan Award in Assembly Buildings goes to Cathal Hayden from County Tyrone. Gradam Inclusion Awards occur in Belfast City Hall.

The festival closes on Sunday 9 August with the Senior Céilí Band competition winners. A fringe programme covers city centre and neighbourhoods with workshops, talks, and family activities. Tickets for Comhaltas events go on sale 1 May at fleadhcheoil.ie. Volunteer registrations reached 1,500.