Last update: Oct 2026

Cost of Living Comparison Between O'Fallon, IL and Santiago

For one person, living is cheaper in Santiago: $1,183 a month against $2,591 in O'Fallon, IL, rent and utilities included – about $16,900 less a year. Rent and utilities account for most of the difference.

125

Cost of Living Index in O'Fallon, IL
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O'Fallon, IL Living Index
57

Cost of Living Index in Santiago
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Santiago Living Index

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O'Fallon, IL

🇺🇸 United States

$2,591

/mo nomad

Santiago

🇨🇱 Chile

$1,183

/mo nomad

Monthly Cost of Living

How much you'll spend in O'Fallon, IL and in Santiago

Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in O'Fallon, IL and in Santiago actually costs, broken down by who's living it.

A single person spends $2,591 per month in O'Fallon, IL vs $1,183 in Santiago, rent included.

O'Fallon, IL $2,591
Santiago $1,183

A couple spends around $3,785 per month in O'Fallon, IL vs $1,882 in Santiago, rent included.

O'Fallon, IL $3,785
Santiago $1,882

A family of three spends $4,980 per month in O'Fallon, IL vs $2,581 in Santiago, rent included.

O'Fallon, IL $4,980
Santiago $2,581

O'Fallon, IL costs about 119% more than Santiago, and outside of rent the biggest gap is in groceries.

O'Fallon, IL sits 91% above the global median, while Santiago is 13% below – they fall on opposite sides of the world average.

Meal at Budget Restaurant

$18.28 $18.28

$10.15 CLP 9,995

80.10%

Three-Course Dinner for Two, Mid-Range

$74.4 $74.4

$51.9 CLP 51.1K

43.29%

Fast Food Meal (McDonalds, etc)

$10.70 $10.70

$8.56 CLP 8,423

25.00%

Cappuccino

$5.27 $5.27

$3.15 CLP 3,101

67.30%

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

$2.35 $2.35

$1.71 CLP 1,685

37.43%

Water (0.33 liter bottle)

$1.66 $1.66

$1.28 CLP 1,255

29.69%

Local Beer (0.5 liter draught)

$3.79 $3.79

$4.18 CLP 4,118

-9.33%

Imported Beer (0.33 liter bottle)

$5.19 $5.19

$4.46 CLP 4,390

16.37%

Milk (1 liter)

$1.00 $1.00

$1.29 CLP 1,269

-22.48%

White Bread (500g)

$3.22 $3.22

$1.76 CLP 1,737

82.95%

Rice (white) (1kg)

$5.61 $5.61

$1.66 CLP 1,630

237.95%

Eggs

$3.93 $3.93

$4.21 CLP 4,140

-6.65%

Local Cheese (1kg)

$12.06 $12.06

$11.08 CLP 10.9K

8.84%

Chicken Fillets (1kg)

$15.66 $15.66

$6.75 CLP 6,641

132.00%

Beef Round Steak (1kg)

$16.22 $16.22

$10.76 CLP 10.6K

50.74%

Apples (1kg)

$8.24 $8.24

$1.96 CLP 1,927

320.41%

Banana (1kg)

$2.38 $2.38

$1.54 CLP 1,518

54.55%

Oranges (1kg)

$5.48 $5.48

$1.58 CLP 1,560

246.84%

Tomato (1kg)

$5.13 $5.13

$1.74 CLP 1,713

194.83%

Potato (1kg)

$4.24 $4.24

$1.09 CLP 1,075

288.99%

Onion (1kg)

$3.36 $3.36

$1.53 CLP 1,509

119.61%

Lettuce (1 head)

$2.01 $2.01

$1.18 CLP 1,163

70.34%

Water (1.5 liter bottle)

$2.54 $2.54

$1.08 CLP 1,060

135.19%

Cigarettes 20 Pack (Marlboro, Camel)

$8.09 $8.09

$5.18 CLP 5,101

56.18%

Wine (Bottle)

$14.94 $14.94

$6.17 CLP 6,070

142.14%

Local Beer (0.5 liter bottle)

$2.91 $2.91

$1.53 CLP 1,511

90.20%

Imported Beer (0.33 liter bottle)

$3.34 $3.34

$2.36 CLP 2,325

41.53%

One-way Ticket (Public Transport)

$2.14 $2.14

$0.84 CLP 824

154.76%

Public Transport Monthly Pass (Regular Price)

$41.44 CLP 40.8K

Taxi Start (Normal Tariff)

$3.58 $3.58

$0.42 CLP 416

752.38%

Taxi (Normal Tariff) (1km)

$1.59 $1.59

$0.88 CLP 869

80.68%

Taxi 1hour Waiting (Normal Tariff)

$17.65 $17.65

$11.49 CLP 11.3K

53.61%

Gasoline (1 liter)

$1.11 $1.11

$1.49 CLP 1,462

-25.50%

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

$27.8K $27.8K

$17.2K CLP 17.0M

61.29%

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

$26.2K $26.2K

$25.6K CLP 25.2M

2.37%

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

$242 $242

$149 CLP 146.3K

62.90%

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

$68.6 $68.6

$12.11 CLP 11.9K

466.39%

Internet (50+ Mbps, Unlimited Data)

$75.9 $75.9

$19.13 CLP 18.8K

296.76%

Gym Membership (Monthly)

$41.68 $41.68

$33.30 CLP 32.8K

25.17%

Tennis Court (1 Hour on Weekend)

$11.51 CLP 11.3K

Cinema Ticket

$12.60 $12.60

$7.32 CLP 7,208

72.13%

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

$663 $663

$436 CLP 429.2K

52.14%

International Primary School, 1 Child (Yearly)

$12.6K $12.6K

$11.0K CLP 10.8M

14.76%

Jeans (Levis 501 Or Similar)

$46.51 $46.51

$49.17 CLP 48.4K

-5.41%

Summer Dress (H&M, Zara, etc)

$25.04 $25.04

$29.11 CLP 28.7K

-13.98%

Sport Shoes (Adidas, Nike)

$57.5 $57.5

$65.5 CLP 64.5K

-12.21%

Men's Leather Business Shoes

$49.29 $49.29

$80.1 CLP 78.9K

-38.46%

1-bedroom Apartment, City Center (Monthly)

$1,602 $1,602

$554 CLP 545.8K

188.87%

1-bedroom Apartment, Outside City Center (Monthly)

$1,295 $1,295

$383 CLP 376.6K

238.37%

3-bedroom Apartment, City Center (Monthly)

$2,473 $2,473

$1,002 CLP 986.5K

146.78%

3-bedroom Apartment, Outside City Center (Monthly)

$2,167 $2,167

$775 CLP 762.5K

179.83%

Buy Apartment in City Center (m2)

$2,348 $2,348

$2,708 CLP 2.7M

-13.31%

Buy Apartment Outside City Center (m2)

$2,575 $2,575

$2,613 CLP 2.6M

-1.45%

Average Monthly Net Salary (After Tax)

$778 CLP 766.3K

20-Year Fixed Mortgage Interest Rate (Annual %)

6.72

5.39

24.68%

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

Last update for O'Fallon, IL: October 19, 2026

Last update for Santiago: October 17, 2026

Monthly budget structure

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

Accommodation & Living

O'Fallon, IL

$1.3K 50%

Santiago

$383 32.3% 70.4% $912

Groceries & Markets

O'Fallon, IL

$456 17.6%

Santiago

$236 20% 48.2% $220

Monthly Utilities & Internet

O'Fallon, IL

$387 14.9%

Santiago

$180 15.2% 53.5% $207

Eating Out

O'Fallon, IL

$287 11.1%

Santiago

$186 15.8% 35% $100

Clothing & Footwear

O'Fallon, IL

$80 3.1%

Santiago

$101 8.5% 25.5% $20

Sport & Entertainment

O'Fallon, IL

$67 2.6%

Santiago

$48 4.1% 28.3% $19

Getting Around

O'Fallon, IL

$20 * 0.8%

Santiago

$50 4.2% 147% $30

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

Cost Breakdown

A central one-bedroom costs $1,602 in O'Fallon, IL versus $554 in Santiago. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.

A mid-range dinner for two costs $74.0 in O'Fallon, IL versus $52.0 in Santiago. Monthly groceries follow the same trend: $456 vs $236 – making Santiago the more affordable choice for daily food spending.

Good to know

🇺🇸 O'Fallon, IL

🇨🇱 Santiago

🕒 Local time

19:06 7:06 PM

21:06 9:06 PM

2 h ahead of O'Fallon, IL

🌤 Weather

👥 Population

94,074

6,139,087 Capital

💱 Currency

United States Dollar USD $

Chilean Peso CLP $

📈 Exchange rate

1 USD = 0.89 EUR

10,000 CLP = 10.16 USD

10,000 CLP = 9.04 EUR

Exchange rates and currency converter

CLP, EUR to USD – United States Dollar Converter

🇨🇱 Chilean Peso ($)

🇺🇸 United States Dollar ($)

United States Dollar exchange rates as of October 22, 2026: 1 EUR = 1.12 USD (1 USD = 0.89 EUR).

Chilean Peso exchange rates as of October 22, 2026: 1 USD = 984 CLP (1,000 CLP = 1.02 USD). 1 EUR = 1,107 CLP (10,000 CLP = 9.04 EUR).

CLP to USD in detail →

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Between locations

O'Fallon, IL Santiago 8,250 km ≈ 11 h nonstop flight

From you

O'Fallon, IL
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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

O'Fallon, IL vs Santiago: Cost of Living - Frequently Asked Questions

Yes – O'Fallon, IL is pricier by about 119%, and outside of rent the gap shows up most in groceries.

For a comfortable life, plan on about $3,886 per month in O'Fallon, IL and $1,775 in Santiago. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.

Rent is clearly cheaper in Santiago, especially for central apartments. Housing is actually the single biggest factor behind the overall cost gap between these two cities.

Monthly expenses with rent come to $2,591 in O'Fallon, IL and $1,183 in Santiago. That's a gap of about 119%.

Kindergarten costs $663 per month in O'Fallon, IL and $436 in Santiago. For families with young kids, this one expense can tip the scales when choosing between the two cities.

A $1,500 monthly budget goes further in Santiago, where all-in costs run around $1,183, than in O'Fallon, IL at $2,591. In Santiago it covers expenses comfortably, while in O'Fallon, IL it requires careful planning or may not stretch far enough.

Families tend to lean toward Santiago – lower housing and cheaper childcare make a real difference, especially on a single income or when paying for private education.

Both have safer and rougher neighborhoods, but overall safety is comparable to other large cities. Neighborhood choice matters more than the city-level comparison – central, well-trafficked areas feel secure in both.

If budget matters most, go with Santiago. If higher salaries, better infrastructure, or specific career opportunities are the priority, O'Fallon, IL makes more sense. Both are solid long-term options with distinct trade-offs.