Cost of Living Comparison Between Buenos Aires and St John
For one person, living is cheaper in St John: $315 a month against $1,685 in Buenos Aires, rent and utilities included – about $16,400 less a year. Rent and utilities account for most of the difference.
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Buenos Aires Living Index81Cost of Living Index in Buenos AiresLearn more
How much you'll spend in Buenos Aires and in St John
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 St John actually costs, broken down by who's living it.
Monthly costs for one person with rent: $1,685 in Buenos Aires versus $315 in St John.
- Buenos Aires $1,685
- St John $315
Estimated couple costs with rent: $2,742 in Buenos Aires versus $928 in St John.
- Buenos Aires $2,742
- St John $928
Monthly costs for a family of three with rent: $3,799 in Buenos Aires versus $1,540 in St John.
- Buenos Aires $3,799
- St John $1,540
Living in Buenos Aires is roughly 435% more expensive than in St John, and outside of rent the biggest gap is in groceries.
The two cities straddle the global median: Buenos Aires is 26% above, St John is 77% below.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Buenos Aires: October 6, 2026
Last update for St John: October 5, 2026
Cost Breakdown
St John pays 432% more on average while also being the cheaper of the two. The combined effect is a noticeably stronger local purchasing power.
Dining out at a mid-range restaurant: $64.0 in Buenos Aires vs $174 in St John for two.
- Buenos Aires St John 5,920 km ≈ 8 h nonstop flight
- Buenos Aires
- St John
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
What is the total cost difference between living in Buenos Aires and in St John?
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