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 $2,472 per month in O'Fallon, MO vs $852 in Chiang Mai, rent included.

A couple spends around $3,462 per month in O'Fallon, MO vs $1,360 in Chiang Mai, rent included.

A family of three spends $4,453 per month in O'Fallon, MO vs $1,867 in Chiang Mai, rent included.

O'Fallon, MO costs about 190% more than Chiang Mai, driven mainly by Getting Around.

O'Fallon, MO sits 86% above the global median, while Chiang Mai is 36% below – they fall on opposite sides of the world average.

Meal at Budget Restaurant

$19.76 $19.76

$2.04 ฿68.2

868.63%

Three-Course Dinner for Two, Mid-Range

$79.8 $79.8

$18.71 ฿624

326.56%

Fast Food Meal (McDonalds, etc)

$9.37 $9.37

$7.86 ฿262

19.21%

Cappuccino

$3.54 $3.54

$2.03 ฿67.7

74.38%

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

$2.41 $2.41

$0.80 ฿26.64

201.25%

Water (0.33 liter bottle)

$1.53 $1.53

$0.35 ฿11.68

337.14%

Local Beer (0.5 liter draught)

$2.57 $2.57

$2.14 ฿71.5

20.09%

Imported Beer (0.33 liter bottle)

$3.55 $3.55

$3.67 ฿122

-3.27%

Milk (1 liter)

$0.90 $0.90

$1.73 ฿57.6

-47.98%

White Bread (500g)

$3.40 $3.40

$1.57 ฿52.4

116.56%

Rice (white) (1kg)

$3.24 $3.24

$1.20 ฿39.99

170.00%

Eggs

$3.04 $3.04

$1.97 ฿65.8

54.31%

Local Cheese (1kg)

$7.32 $7.32

$16.23 ฿541

-54.90%

Chicken Fillets (1kg)

$10.54 $10.54

$3.06 ฿102

244.44%

Beef Round Steak (1kg)

$13.03 $13.03

$10.80 ฿360

20.65%

Apples (1kg)

$4.46 $4.46

$2.77 ฿92.3

61.01%

Banana (1kg)

$1.50 $1.50

$1.17 ฿38.94

28.21%

Oranges (1kg)

$5.99 $5.99

$1.71 ฿57.0

250.29%

Tomato (1kg)

$5.41 $5.41

$1.59 ฿53.2

240.25%

Potato (1kg)

$3.59 $3.59

$1.39 ฿46.51

158.27%

Onion (1kg)

$2.79 $2.79

$1.16 ฿38.56

140.52%

Lettuce (1 head)

$1.74 $1.74

$0.66 ฿22.05

163.64%

Water (1.5 liter bottle)

$1.95 $1.95

$0.52 ฿17.31

275.00%

Cigarettes 20 Pack (Marlboro, Camel)

$6.19 $6.19

$4.65 ฿155

33.12%

Wine (Bottle)

$8.68 $8.68

$17.78 ฿593

-51.18%

Local Beer (0.5 liter bottle)

$1.91 $1.91

$1.79 ฿59.6

6.70%

Imported Beer (0.33 liter bottle)

$2.29 $2.29

$3.34 ฿111

-31.44%

One-way Ticket (Public Transport)

$1.99 $1.99

$0.91 ฿30.27

118.68%

Public Transport Monthly Pass (Regular Price)

$220 $220

$18.64 ฿622

1080.63%

Taxi Start (Normal Tariff)

$2.55 $2.55

$1.41 ฿47.04

80.85%

Taxi (Normal Tariff) (1km)

$2.20 $2.20

$1.34 ฿44.70

64.18%

Taxi 1hour Waiting (Normal Tariff)

$21.07 $21.07

$8.11 ฿270

159.80%

Gasoline (1 liter)

$0.81 $0.81

$1.23 ฿41.16

-34.15%

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

$23.9K $23.9K

$21.4K ฿715.1K

11.52%

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

$24.2K $24.2K

$21.8K ฿728.0K

11.11%

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

$123 $123

$71.3 ฿2,379

72.69%

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

$60.2 $60.2

$14.01 ฿467

329.48%

Internet (50+ Mbps, Unlimited Data)

$53.1 $53.1

$17.93 ฿598

196.15%

Gym Membership (Monthly)

$42.93 $42.93

$40.82 ฿1,362

5.17%

Tennis Court (1 Hour on Weekend)

$6.88 ฿230

Cinema Ticket

$10.23 $10.23

$5.72 ฿191

78.85%

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

$1,007 $1,007

$308 ฿10.3K

226.65%

International Primary School, 1 Child (Yearly)

$19.7K $19.7K

$14.7K ฿489.7K

34.52%

Jeans (Levis 501 Or Similar)

$53.7 $53.7

$55.8 ฿1,860

-3.73%

Summer Dress (H&M, Zara, etc)

$42.32 $42.32

$26.04 ฿869

62.52%

Sport Shoes (Adidas, Nike)

$75.9 $75.9

$84.8 ฿2,829

-10.47%

Men's Leather Business Shoes

$69.3 $69.3

$71.0 ฿2,368

-2.32%

1-bedroom Apartment, City Center (Monthly)

$1,196 $1,196

$423 ฿14.1K

182.57%

1-bedroom Apartment, Outside City Center (Monthly)

$1,196 $1,196

$242 ฿8,088

393.20%

3-bedroom Apartment, City Center (Monthly)

$1,734 $1,734

$797 ฿26.6K

117.46%

3-bedroom Apartment, Outside City Center (Monthly)

$1,616 $1,616

$507 ฿16.9K

218.80%

Buy Apartment in City Center (m2)

$1,553 $1,553

$1,918 ฿64.0K

-19.04%

Buy Apartment Outside City Center (m2)

$1,583 $1,583

$1,464 ฿48.8K

8.11%

Average Monthly Net Salary (After Tax)

$4,529 $4,529

$595 ฿19.9K

661.13%

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: July 26, 2026

Last update for Chiang Mai: July 27, 2026

Cost Breakdown

A central one-bedroom costs $1,196 in O'Fallon, MO versus $423 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 661% 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: $342 vs $244 – 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 190% 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 $3,708 per month in O'Fallon, MO and $1,279 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 $1,007 per month in O'Fallon, MO and $308 in Chiang Mai. For families with young kids, this one expense can tip the scales when choosing between the two cities.

Groceries cost about 40% 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 $852, than in O'Fallon, MO at $2,472. 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 $852 versus $2,472 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.