‘Echo’ is a new and distinct repeat flowering, ornamental blueberry (Vaccinium section Cyanococcus L.) cultivar that originated from seed produced from the cross of the female blueberry plant ‘Perpetua’ (U.S. Plant Pat. No. 24,209) and the male blueberry plant ORUS 55-1 (unpatented). ‘Echo’ is a blueberry clone distinguished by its ornamental characteristics that include a spreading bush habit with glossy leaves, repeat flowering and fruiting, and small, mild flavored dark blue fruit.