The fall in the Consumer Prices Index (CPI) measure of inflation to 1.5% marks the lowest in four-and-a-half years.
Falls in the cost of transport services, particularly air fares, were the largest contributor to the fall, the Office for National Statistics has said.
Heavy discounting by supermarkets also provided a large downward effect.
CPI equalled the rate seen in October 2009. It was last lower, at 1.1%, in September 2009.
More top news
League One side will face either Sunderland or Fulham after knocking out Premier League leaders Chelsea.
Actress will play Belle in a live-action remake of Disney's animated Beauty and the Beast.
ITV News hears the remarkable story of a Holocaust survivor who went on to marry the British soldier who liberated her from Bergen-Belsen.