Ludmila Poletelova was found murdered at Co Derry home on Friday afternoon
A post-mortem examination found Ms Poletelova, who was 61, died as a result of a number of blows to the head.
Her body was discovered in her flat at Lodge Court.
The 45-year-old accused is expected to appear before Ballymena Magistrates’ Court on Thursday.
She was arrested by detectives from the PSNI’s Major Investigation Team on Sunday evening.
The victim was a Latvian national who had lived and worked in the Co Derry town for a number of years.
She worked in a number of local pubs and a charity shop.