A liquid ejecting head (100) includes a pressure chamber substrate (34) on which pressure chamber spaces (342) are formed; a flow path substrate (32) which includes a first face (F1) on which the pressure chamber substrate (34) is provided, and a second face (F2) on a side opposite to the first face (F1), and on which a space (R1), a supply hole (322) which causes the space (R1) and the pressure chamber space (342) to communicate, and a communicating hole (324) which communicates with the pressure chamber space (342) are formed; a nozzle plate (52) which is provided on the second face (F2), and on which nozzles (N) which communicate with the communicating hole (324) are formed; a housing (40) which is provided on the first face (F1), and in which a space (R2) which communicates with the space (R1) of the flow path substrate (32), and an opening portion (422) which communicates with the space (R2) are formed; a flexible compliance unit (54) which is provided on the second face (F2), and seals the communicating hole (324) and the space (R1); and a flexible compliance unit (46) which seals the opening portion (422).