Cost of Living Comparison Between O'Fallon, MO and Chiang Mai Cost of Living Comparison Between O'Fallon, MO and Chiang Mai

Monthly Cost of Living

A single person spends $2,435 per month in O'Fallon, MO vs $869 in Chiang Mai, rent included.

A couple spends around $3,466 per month in O'Fallon, MO vs $1,362 in Chiang Mai, rent included.

A family of three spends $4,496 per month in O'Fallon, MO vs $1,855 in Chiang Mai, rent included.

O'Fallon, MO costs about 180% more than Chiang Mai, driven mainly by Getting Around.

O'Fallon, MO sits 81% above the global median, while Chiang Mai is 35% below – they fall on opposite sides of the world average.

Meal at Budget Restaurant

$20.47 $20.47

$1.98 ฿64.3

933.84%

Three-Course Dinner for Two, Mid-Range

$79.7 $79.7

$18.80 ฿612

324.15%

Fast Food Meal (McDonalds, etc)

$9.10 $9.10

$7.75 ฿252

17.42%

Cappuccino

$3.54 $3.54

$1.92 ฿62.5

84.38%

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

$2.39 $2.39

$0.79 ฿25.79

202.53%

Water (0.33 liter bottle)

$1.51 $1.51

$0.36 ฿11.62

319.44%

Local Beer (0.5 liter draught)

$2.57 $2.57

$2.21 ฿72.1

16.29%

Imported Beer (0.33 liter bottle)

$3.48 $3.48

$3.66 ฿119

-4.92%

Milk (1 liter)

$0.99 $0.99

$1.65 ฿53.8

-40.00%

White Bread (500g)

$3.24 $3.24

$1.63 ฿53.2

98.77%

Rice (white) (1kg)

$3.28 $3.28

$1.19 ฿38.86

175.63%

Eggs

$3.03 $3.03

$2.00 ฿65.1

51.50%

Local Cheese (1kg)

$7.25 $7.25

$15.98 ฿520

-54.63%

Chicken Fillets (1kg)

$10.39 $10.39

$3.03 ฿98.5

242.90%

Beef Round Steak (1kg)

$12.68 $12.68

$10.86 ฿354

16.76%

Apples (1kg)

$4.54 $4.54

$2.76 ฿90.0

64.49%

Banana (1kg)

$1.44 $1.44

$1.18 ฿38.42

22.03%

Oranges (1kg)

$6.07 $6.07

$1.64 ฿53.5

270.12%

Tomato (1kg)

$5.66 $5.66

$1.52 ฿49.51

272.37%

Potato (1kg)

$3.41 $3.41

$1.38 ฿45.10

147.10%

Onion (1kg)

$2.78 $2.78

$1.19 ฿38.84

133.61%

Lettuce (1 head)

$1.66 $1.66

$0.70 ฿22.86

137.14%

Water (1.5 liter bottle)

$2.05 $2.05

$0.56 ฿18.13

266.07%

Cigarettes 20 Pack (Marlboro, Camel)

$6.05 $6.05

$4.58 ฿149

32.10%

Wine (Bottle)

$8.45 $8.45

$16.56 ฿539

-48.97%

Local Beer (0.5 liter bottle)

$1.92 $1.92

$1.83 ฿59.5

4.92%

Imported Beer (0.33 liter bottle)

$2.20 $2.20

$3.20 ฿104

-31.25%

One-way Ticket (Public Transport)

$2.05 $2.05

$0.88 ฿28.56

132.95%

Public Transport Monthly Pass (Regular Price)

$219 $219

$18.72 ฿610

1070.30%

Taxi Start (Normal Tariff)

$2.57 $2.57

$1.36 ฿44.16

88.97%

Taxi (Normal Tariff) (1km)

$2.16 $2.16

$1.34 ฿43.65

61.19%

Taxi 1hour Waiting (Normal Tariff)

$21.33 $21.33

$7.84 ฿256

172.07%

Gasoline (1 liter)

$0.81 $0.81

$1.23 ฿39.92

-34.15%

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

$23.8K $23.8K

$21.6K ฿704.3K

10.13%

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

$23.8K $23.8K

$22.5K ฿734.3K

5.47%

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

$123 $123

$70.5 ฿2,298

74.87%

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

$61.0 $61.0

$13.68 ฿445

346.20%

Internet (50+ Mbps, Unlimited Data)

$54.6 $54.6

$17.45 ฿568

212.78%

Gym Membership (Monthly)

$42.46 $42.46

$41.33 ฿1,346

2.73%

Tennis Court (1 Hour on Weekend)

$6.96 ฿227

Cinema Ticket

$10.23 $10.23

$5.77 ฿188

77.30%

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

$1,003 $1,003

$307 ฿10.0K

226.57%

International Primary School, 1 Child (Yearly)

$20.3K $20.3K

$14.6K ฿475.9K

39.02%

Jeans (Levis 501 Or Similar)

$53.8 $53.8

$55.8 ฿1,817

-3.58%

Summer Dress (H&M, Zara, etc)

$42.67 $42.67

$26.21 ฿854

62.80%

Sport Shoes (Adidas, Nike)

$77.5 $77.5

$85.8 ฿2,793

-9.61%

Men's Leather Business Shoes

$69.4 $69.4

$72.2 ฿2,353

-3.97%

1-bedroom Apartment, City Center (Monthly)

$1,211 $1,211

$430 ฿14.0K

181.89%

1-bedroom Apartment, Outside City Center (Monthly)

$1,200 $1,200

$239 ฿7,774

402.58%

3-bedroom Apartment, City Center (Monthly)

$1,694 $1,694

$817 ฿26.6K

107.22%

3-bedroom Apartment, Outside City Center (Monthly)

$1,656 $1,656

$511 ฿16.6K

224.18%

Buy Apartment in City Center (m2)

$1,564 $1,564

$1,983 ฿64.6K

-21.14%

Buy Apartment Outside City Center (m2)

$1,631 $1,631

$1,484 ฿48.3K

9.91%

Average Monthly Net Salary (After Tax)

$5,764 $5,764

$619 ฿20.2K

831.48%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.25

25.00%

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

Last update for O'Fallon, MO: June 9, 2026

Last update for Chiang Mai: June 7, 2026

Cost Breakdown

A central one-bedroom costs $1,211 in O'Fallon, MO versus $430 in Chiang Mai. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.

Salaries run about 831% higher in O'Fallon, MO, which partly offsets the higher cost of living there. Purchasing power depends on which expenses matter most to you.

A mid-range dinner for two costs $80.0 in O'Fallon, MO versus $19.00 in Chiang Mai. Monthly groceries follow the same trend: $341 vs $241 – making Chiang Mai the more affordable choice for daily food spending.

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, MO vs Chiang Mai: Cost of Living - Frequently Asked Questions

O'Fallon, MO costs about 180% more than Chiang Mai, with the gap driven mainly by Getting Around. That's enough to noticeably affect everyday spending and lifestyle for anyone choosing between the two.

For a comfortable life, plan on about $3,653 per month in O'Fallon, MO and $1,303 in Chiang Mai. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.

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

Kindergarten costs $1,003 per month in O'Fallon, MO and $307 in Chiang Mai. For families with young kids, this one expense can tip the scales when choosing between the two cities.

Groceries cost about 42% more in O'Fallon, MO, though it depends on what you buy. Local produce may be comparable; imported and premium items show the biggest price gap.

A $1,000 monthly budget goes further in Chiang Mai, where all-in costs run around $869, than in O'Fallon, MO at $2,435. In Chiang Mai it covers expenses comfortably, while in O'Fallon, MO it requires careful planning or may not stretch far enough.

For digital nomads, it depends on budget. Chiang Mai costs $869 versus $2,435 in O'Fallon, MO. Both have workable remote work infrastructure, but the cost gap matters when income varies month to month.

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 Chiang Mai. If higher salaries, better infrastructure, or specific career opportunities are the priority, O'Fallon, MO makes more sense. Both are solid long-term options with distinct trade-offs.