Last update: Oct 2026

Cost of Living Comparison Between Buenos Aires and Castries

For one person, living is cheaper in Castries: $1,413 a month against $1,685 in Buenos Aires, rent and utilities included – about $3,300 less a year. Higher rent and utilities in Buenos Aires outweigh lower spending on other living expenses.

81

Cost of Living Index in Buenos Aires
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Buenos Aires Living Index
70

Cost of Living Index in Castries
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Castries Living Index

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Buenos Aires

🇦🇷 Argentina

$1,685

/mo nomad

Castries

🇱🇨 Saint Lucia

$1,413

/mo nomad

Monthly Cost of Living

How much you'll spend in Buenos Aires and in Castries

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 Castries actually costs, broken down by who's living it.

Monthly costs for one person with rent: $1,685 in Buenos Aires versus $1,413 in Castries.

Buenos Aires $1,685
Castries $1,413

Estimated couple costs with rent: $2,742 in Buenos Aires versus $2,371 in Castries.

Buenos Aires $2,742
Castries $2,371

Monthly costs for a family of three with rent: $3,799 in Buenos Aires versus $3,330 in Castries.

Buenos Aires $3,799
Castries $3,330

Living in Buenos Aires is roughly 19% more expensive than in Castries, and outside of rent the biggest gap is in groceries.

Both cities are pricier than the global median: Buenos Aires 26% above, Castries 5% above.

Meal at Budget Restaurant

$18.73 ARS 28.4K

$9.42 EC$25.43

98.83%

Three-Course Dinner for Two, Mid-Range

$64.5 ARS 97.8K

$74.5 EC$201

-13.43%

Fast Food Meal (McDonalds, etc)

$12.88 ARS 19.5K

$8.41 EC$22.72

53.15%

Cappuccino

$3.98 ARS 6,029

$3.67 EC$9.90

8.45%

Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)

$2.05 ARS 3,103

$1.97 EC$5.31

4.06%

Water (0.33 liter bottle)

$1.55 ARS 2,349

$1.01 EC$2.73

53.47%

Local Beer (0.5 liter draught)

$3.84 ARS 5,830

$2.86 EC$7.72

34.27%

Imported Beer (0.33 liter bottle)

$4.60 ARS 6,970

$3.28 EC$8.86

40.24%

Milk (1 liter)

$1.44 ARS 2,181

$2.02 EC$5.46

-28.71%

White Bread (500g)

$2.46 ARS 3,738

$1.85 EC$4.99

32.97%

Rice (white) (1kg)

$1.63 ARS 2,467

$1.72 EC$4.65

-5.23%

Eggs

$2.89 ARS 4,385

$4.51 EC$12.19

-35.92%

Local Cheese (1kg)

$10.65 ARS 16.1K

$11.29 EC$30.47

-5.67%

Chicken Fillets (1kg)

$10.00 ARS 15.2K

$9.08 EC$24.51

10.13%

Beef Round Steak (1kg)

$13.74 ARS 20.8K

$14.92 EC$40.29

-7.91%

Apples (1kg)

$2.75 ARS 4,166

$8.61 EC$23.25

-68.06%

Banana (1kg)

$2.18 ARS 3,300

$1.62 EC$4.38

34.57%

Oranges (1kg)

$1.45 ARS 2,205

$8.09 EC$21.84

-82.08%

Tomato (1kg)

$1.99 ARS 3,013

$14.83 EC$40.04

-86.58%

Potato (1kg)

$1.24 ARS 1,885

$3.50 EC$9.44

-64.57%

Onion (1kg)

$1.27 ARS 1,921

$2.06 EC$5.56

-38.35%

Lettuce (1 head)

$1.70 ARS 2,575

$2.20 EC$5.94

-22.73%

Water (1.5 liter bottle)

$1.73 ARS 2,617

$1.28 EC$3.46

35.16%

Cigarettes 20 Pack (Marlboro, Camel)

$4.18 ARS 6,337

$9.35 EC$25.25

-55.29%

Wine (Bottle)

$5.80 ARS 8,790

$10.95 EC$29.57

-47.03%

Local Beer (0.5 liter bottle)

$2.09 ARS 3,163

$2.31 EC$6.23

-9.52%

Imported Beer (0.33 liter bottle)

$2.77 ARS 4,198

$5.70 EC$15.38

-51.40%

One-way Ticket (Public Transport)

$0.75 ARS 1,132

$1.08 EC$2.91

-30.56%

Public Transport Monthly Pass (Regular Price)

$27.15 ARS 41.2K

Taxi Start (Normal Tariff)

$1.62 ARS 2,451

$9.49 EC$25.63

-82.93%

Taxi (Normal Tariff) (1km)

$0.98 ARS 1,481

Taxi 1hour Waiting (Normal Tariff)

$7.72 ARS 11.7K

Gasoline (1 liter)

$1.36 ARS 2,058

$1.52 EC$4.11

-10.53%

Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)

$28.0K ARS 42.5M

$26.3K EC$70.9K

6.62%

Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)

$34.5K ARS 52.4M

$36.5K EC$98.6K

-5.40%

Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)

$216 ARS 326.9K

$124 EC$334

74.17%

SIM Card Monthly Plan (Calls and 10GB+ Data)

$25.61 ARS 38.8K

$89.6 EC$242

-71.42%

Internet (50+ Mbps, Unlimited Data)

$31.36 ARS 47.6K

$47.85 EC$129

-34.46%

Gym Membership (Monthly)

$49.82 ARS 75.6K

$42.35 EC$114

17.64%

Tennis Court (1 Hour on Weekend)

$17.06 ARS 25.9K

Cinema Ticket

$10.43 ARS 15.8K

$5.68 EC$15.33

83.63%

Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)

$466 ARS 706.7K

$211 EC$570

120.80%

International Primary School, 1 Child (Yearly)

$9,057 ARS 13.7M

Jeans (Levis 501 Or Similar)

$122 ARS 185.2K

$83.9 EC$226

45.61%

Summer Dress (H&M, Zara, etc)

$97.4 ARS 147.8K

$50.2 EC$135

94.30%

Sport Shoes (Adidas, Nike)

$117 ARS 177.4K

$111 EC$299

5.54%

Men's Leather Business Shoes

$140 ARS 211.9K

$111 EC$299

26.26%

1-bedroom Apartment, City Center (Monthly)

$763 ARS 1.2M

$450 EC$1,216

69.50%

1-bedroom Apartment, Outside City Center (Monthly)

$505 ARS 766.1K

$340 EC$918

48.60%

3-bedroom Apartment, City Center (Monthly)

$1,598 ARS 2.4M

$1,184 EC$3,195

35.06%

3-bedroom Apartment, Outside City Center (Monthly)

$1,185 ARS 1.8M

$708 EC$1,912

67.31%

Buy Apartment in City Center (m2)

$2,678 ARS 4.1M

$101 EC$273

2545.19%

Buy Apartment Outside City Center (m2)

$1,858 ARS 2.8M

$63.4 EC$171

2830.26%

Average Monthly Net Salary (After Tax)

$954 ARS 1.4M

$1,122 EC$3,028

-14.90%

20-Year Fixed Mortgage Interest Rate (Annual %)

57.25

7.75

638.71%

CityCost data is based on AI and user input – minor inaccuracies may occur.

Last update for Buenos Aires: October 6, 2026

Last update for Castries: October 4, 2026

Monthly budget structure

Share of the monthly basket for one person, rent included.

Accommodation & Living

Buenos Aires

$505 30.4%

Castries

$340 23.7% 32.7% $165

Groceries & Markets

Buenos Aires

$284 17.1%

Castries

$431 30% 51.6% $147

Eating Out

Buenos Aires

$279 16.8%

Castries

$177 12.4% 36.4% $102

Monthly Utilities & Internet

Buenos Aires

$273 16.4%

Castries

$261 18.2% 4.1% $11

Clothing & Footwear

Buenos Aires

$214 12.9%

Castries

$160 11.1% 25.4% $54

Sport & Entertainment

Buenos Aires

$71 4.3%

Castries

$54 3.7% 24% $17

Getting Around

Buenos Aires

$37 2.2%

Castries

$14 * 1% 62.3% $23

Categories marked with * are only partly priced – their share counts the items that do have prices.

Cost Breakdown

A one-bedroom apartment in the center runs $763 in Buenos Aires and $450 in Castries. Housing cost is often the main lever when comparing two cities.

Castries pays 18% more on average while also being the cheaper of the two. The combined effect is a noticeably stronger local purchasing power.

Dining out: $64.0 in Buenos Aires vs $74.0 in Castries for a mid-range dinner for two. Groceries echo the gap at $284 vs $431 per month, with Buenos Aires cheaper across the board.

Good to know

🇦🇷 Buenos Aires

🇱🇨 Castries

🕒 Local time

05:22 5:22 AM

04:22 4:22 AM

1 h behind Buenos Aires

🌤 Weather

👥 Population

2,891,082 Capital

22,000 Capital

💱 Currency

Argentine Peso ARS $

East Caribbean Dollar XCD $

📈 Exchange rate

10,000 ARS = 6.59 USD

10,000 ARS = 5.88 EUR

1 XCD = 0.37 USD

1 XCD = 0.33 EUR

Exchange rates and currency converter

XCD, USD, EUR to ARS – Argentine Peso Converter

🇺🇸 United States Dollar ($)

🇦🇷 Argentine Peso ($)

Argentine Peso exchange rates as of October 10, 2026: 1 USD = 1,517 ARS (10,000 ARS = 6.59 USD). 1 EUR = 1,701 ARS (10,000 ARS = 5.88 EUR).

East Caribbean Dollar exchange rates as of October 10, 2026: 1 USD = 2.7 XCD (1 XCD = 0.37 USD). 1 EUR = 3.03 XCD (1 XCD = 0.33 EUR).

USD to ARS in detail →

On the map

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Between locations

Buenos Aires Castries 5,410 km ≈ 7 h nonstop flight

From you

Buenos Aires
Castries

Distances are measured in a straight line. Your location is detected approximately.

City Median Internet Speeds Comparison (Updated April 2026)

The chart highlights the Precision Threshold for mobile and fixed broadband internet speeds, updated quarterly.

Digital Nomad Cost of Living Index

Buenos Aires vs Castries: Cost of Living - Frequently Asked Questions

Buenos Aires and Castries differ by about 19% in total monthly costs ($1,685 vs $1,413 including rent). Castries is meaningfully more affordable – a gap that matters a lot on a fixed or modest income.

On paper, salaries run 18% lower in Castries. That's worth factoring in alongside costs, though remote workers earning in a stronger currency may not notice the difference at all.

Rent for a central apartment: $763 in Buenos Aires versus $450 in Castries. Housing is usually the single largest factor when comparing overall living costs between the two.

Childcare runs $466 in Buenos Aires versus $211 in Castries. Over years of preschool, even a modest monthly gap compounds into a major financial factor for families.

Dining out is cheaper in Castries – a meal for two runs $74.0 versus $64.0 in Buenos Aires. If you eat out regularly, this makes a real dent in your monthly spending.

At $1,413 in Castries versus $1,685 in Buenos Aires, a $1,000 budget is realistic in Castries but tight or insufficient in Buenos Aires. The gap between the two cities makes Castries the clear choice for anyone on this budget.

Both cities offer a good standard of living with different trade-offs. Neither is objectively better – the right pick depends on what matters most: affordability, career, cultural scene, or climate.

Safety-wise, Buenos Aires and Castries are on par. Petty crime is typical for cities this size, and most residents feel comfortable going about their daily routines in either place.

Expats usually find Castries gentler on the wallet – expenses run 19% less than in Buenos Aires. Beyond cost, consider language, visa policies, and how big the international community is in each city.