Cost of Living Comparison Between Rio de Janeiro and St Lucia
For one person, living is cheaper in St Lucia: $458 a month against $1,285 in Rio de Janeiro, rent and utilities included – about $9,900 less a year. Rent and utilities account for most of the difference.
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Rio de Janeiro Living Index63Cost of Living Index in Rio de JaneiroLearn more
How much you'll spend in Rio de Janeiro and in St Lucia
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Rio de Janeiro and in St Lucia actually costs, broken down by who's living it.
Monthly costs for one person with rent: $1,285 in Rio de Janeiro versus $458 in St Lucia.
- Rio de Janeiro $1,285
- St Lucia $458
Estimated couple costs with rent: $1,888 in Rio de Janeiro versus $639 in St Lucia.
- Rio de Janeiro $1,888
- St Lucia $639
Monthly costs for a family of three with rent: $2,491 in Rio de Janeiro versus $819 in St Lucia.
- Rio de Janeiro $2,491
- St Lucia $819
Living in Rio de Janeiro is roughly 180% more expensive than in St Lucia, and outside of rent the biggest gap is in groceries.
Both cities sit below the global median: Rio de Janeiro 4% lower, St Lucia 66% lower.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Rio de Janeiro: October 6, 2026
Last update for St Lucia: October 4, 2026
Cost Breakdown
St Lucia pays 16% more on average while also being the cheaper of the two. The combined effect is a noticeably stronger local purchasing power.
- Rio de Janeiro St Lucia 4,530 km ≈ 6 h nonstop flight
- Rio de Janeiro
- St Lucia
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 Rio de Janeiro and in St Lucia?
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Which city is more expensive overall: Rio de Janeiro or St Lucia?
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