0001635327 2025-06-04 2025-06-04 0001635327 dei:FormerAddressMember 2025-06-04 2025-06-04 false 0001635327 8-K 2025-06-04 Flutter Entertainment plc L2 001-37403 98-1782229 One Madison Avenue New York NY 10010 +353 (1) 264 1566 300 Park Ave South New York NY 10010 false false false false Ordinary Shares, nominal value of €0.09 per share FLUT NYSE false