On 1 January 1918, "Bristol" was briefly based at the port of Kalloni, Lesbos, before sailing to Gibraltar for a long refit. She arrived on 17 January and departed on 2 April, bound for Sierra Leone, West Africa, to begin convoy escort duties there despite being assigned to the East Coast of South America Station. On 1 May, "Bristol" departed Dakar, French West Africa, bound for the Brazilian coast, arriving at Rio de Janeiro on the 15th. At the end of the month, she spent a few days salvaging ammunition from the wreck of the cargo liner . The ship patrolled the coasts of Brazil and Uruguay for the rest of the war and visited Port Stanley at the end of the year where she remained until 11 January 1919. "Bristol" sailed for the Cape Verde Islands in late April and then to Gibraltar where she arrived on 13 May. En route, three sailors died from influenza. A few days later, she departed for the UK and arrived at Portsmouth on the 21st. "Bristol" was paid off on 30 May and reduced to reserve the same day. The ship was listed for disposal in May 1920 and was sold for scrap on 9 May 1921 to Thos W Ward of Hayle.