Cost of Living Comparison Between Buenos Aires and Oni
For one person, living is cheaper in Oni: $732 a month against $1,646 in Buenos Aires, rent and utilities included – about $11,000 less a year. Rent and utilities account for most of the difference.
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Buenos Aires Living Index79Cost of Living Index in Buenos AiresLearn more -
Oni Living Index35Cost of Living Index in OniLearn more
How much you'll spend in Buenos Aires and in Oni
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Buenos Aires and in Oni actually costs, broken down by who's living it.
Monthly costs for one person with rent: $1,646 in Buenos Aires versus $732 in Oni.
- Buenos Aires $1,646
- Oni $732
Estimated couple costs with rent: $2,680 in Buenos Aires versus $1,199 in Oni.
- Buenos Aires $2,680
- Oni $1,199
Monthly costs for a family of three with rent: $3,714 in Buenos Aires versus $1,666 in Oni.
- Buenos Aires $3,714
- Oni $1,666
Living in Buenos Aires is roughly 125% more expensive than in Oni, and outside of rent the biggest gap is in eating out.
The two cities straddle the global median: Buenos Aires is 21% above, Oni is 46% below.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Buenos Aires: October 19, 2026
Last update for Oni: October 18, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
Dining out: $65.0 in Buenos Aires vs $39.00 in Oni for a mid-range dinner for two. Groceries echo the gap at $285 vs $233 per month, with Oni cheaper across the board.
- Buenos Aires Oni 13,410 km ≈ 17 h nonstop flight
- Buenos Aires
- Oni
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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