The composite consumer sentiment index (CCSI) gained three points over the month to 106.8 in October, after climbing 1.3 points in September, according to the Bank of Korea (BOK).
It came as the country's full vaccination rate topped 70 percent of the population, set by the government as a key precondition to ease antivirus measures.
The government planned to gradually let people return to normal life from the pandemic in November.
The index for current living conditions among households added one point to 92 in October, and the prospective index for living conditions rose two points to 98.
The prospective index for household income increased two points to 101, and the prospective index for consumption expenditure was up three points to 112.
Inflation expectations, which gauge outlook among consumers over headline inflation for the next 12 months, stood unchanged at 2.4 percent in October compared to the previous month.
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