😐Monthly costs for one person with rent: $4,004 in Fairfield, CA versus $3,992 in San Diego, CA.
🙂Estimated couple costs with rent: $5,602 in Fairfield, CA versus $5,791 in San Diego, CA.
🙂Monthly costs for a family of three with rent: $7,201 in Fairfield, CA versus $7,590 in San Diego, CA.
🌍Monthly costs are close between Fairfield, CA and San Diego, CA; which city is cheaper depends on the spending category.
📊Both cities are pricier than the global median: Fairfield, CA201% above, San Diego, CA200% above.
Currency
🍽 Eating Out
Fairfield, CA
San Diego, CA
Difference
Meal at Budget Restaurant
$21.59$21.59
$23.23$23.23
-7.06%
Three-Course Dinner for Two, Mid-Range
$80.1$80.1
$101$101
-20.60%
Fast Food Meal(McDonalds, etc)
$11.91$11.91
$15.26$15.26
-21.95%
Cappuccino
$4.78$4.78
$5.86$5.86
-18.43%
Coke/Pepsi/Fanta/Sprite(0.33 liter bottle)
$2.87$2.87
$2.93$2.93
-2.05%
Water(0.33 liter bottle)
$1.96$1.96
$2.55$2.55
-23.14%
Local Beer(0.5 liter draught)
$7.61$7.61
$7.99$7.99
-4.76%
Imported Beer(0.33 liter bottle)
$6.92$6.92
$9.18$9.18
-24.62%
🛒 Groceries & Markets
Fairfield, CA
San Diego, CA
Difference
Milk(1 liter)
$1.22$1.22
$1.22$1.22
-
White Bread(500g)
$4.08$4.08
$4.33$4.33
-5.77%
Rice(white)(1kg)
$4.32$4.32
$4.43$4.43
-2.48%
Eggs
$5.36$5.36
$5.26$5.26
1.90%
Local Cheese(1kg)
$13.57$13.57
$13.27$13.27
2.26%
Chicken Fillets(1kg)
$11.12$11.12
$12.85$12.85
-13.46%
Beef Round Steak(1kg)
$17.57$17.57
$18.29$18.29
-3.94%
Apples(1kg)
$8.05$8.05
$4.58$4.58
75.76%
Banana(1kg)
$2.90$2.90
$1.65$1.65
75.76%
Oranges(1kg)
$5.85$5.85
$3.89$3.89
50.39%
Tomato(1kg)
$7.58$7.58
$4.64$4.64
63.36%
Potato(1kg)
$3.85$3.85
$3.02$3.02
27.48%
Onion(1kg)
$3.83$3.83
$2.35$2.35
62.98%
Lettuce(1 head)
$2.14$2.14
$2.21$2.21
-3.17%
Water(1.5 liter bottle)
$1.98$1.98
$2.37$2.37
-16.46%
Cigarettes 20 Pack(Marlboro, Camel)
$12.07$12.07
$12.21$12.21
-1.15%
Wine(Bottle)
$9.84$9.84
$15.24$15.24
-35.43%
Local Beer(0.5 liter bottle)
$1.79$1.79
$1.78$1.78
0.56%
Imported Beer(0.33 liter bottle)
$2.56$2.56
$2.55$2.55
0.39%
🚌 Getting Around
Fairfield, CA
San Diego, CA
Difference
One-way Ticket(Public Transport)
$1.95$1.95
$2.46$2.46
-20.73%
Public Transport Monthly Pass(Regular Price)
$87.9$87.9
$71.0$71.0
23.81%
Taxi Start(Normal Tariff)
$2.99$2.99
$3.02$3.02
-0.99%
Taxi(Normal Tariff)(1km)
$1.82$1.82
$2.10$2.10
-13.33%
Taxi 1hour Waiting(Normal Tariff)
$29.49$29.49
$28.06$28.06
5.10%
Gasoline(1 liter)
$1.35$1.35
$1.25$1.25
8.00%
Midsize Hatchback 1.4l(Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$34.2K$34.2K
$31.1K$31.1K
10.05%
Compact Sedan 1.6l(Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$27.4K$27.4K
$26.6K$26.6K
3.02%
🧾 Monthly Utilities & Internet
Fairfield, CA
San Diego, CA
Difference
Utilities for 2 People in 2-bedroom Apartment(Heating, Electricity, Gas, Water, Garbage)(85m2)
$225$225
$271$271
-16.86%
SIM Card Monthly Plan(Calls and 10GB+ Data)
$50.8$50.8
$67.3$67.3
-24.56%
Internet(50+ Mbps, Unlimited Data)
$73.4$73.4
$78.5$78.5
-6.55%
🎉 Sport & Entertainment
Fairfield, CA
San Diego, CA
Difference
Gym Membership(Monthly)
$125$125
$67.7$67.7
83.99%
Tennis Court(1 Hour on Weekend)
$75.9$75.9
$24.57$24.57
208.79%
Cinema Ticket
$14.17$14.17
$15.85$15.85
-10.60%
🧸 Childcare & Education
Fairfield, CA
San Diego, CA
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child(Monthly)
$1,900$1,900
$1,632$1,632
16.38%
International Primary School, 1 Child(Yearly)
$20.4K$20.4K
$28.6K$28.6K
-28.64%
👕👟 Clothing & Footwear
Fairfield, CA
San Diego, CA
Difference
Jeans(Levis 501 Or Similar)
$57.9$57.9
$59.7$59.7
-3.13%
Summer Dress(H&M, Zara, etc)
$41.75$41.75
$57.2$57.2
-27.00%
Sport Shoes(Adidas, Nike)
$83.7$83.7
$100$100
-16.66%
Men's Leather Business Shoes
$109$109
$117$117
-6.67%
🏠 Accommodation & Living
Fairfield, CA
San Diego, CA
Difference
1-bedroom Apartment, City Center(Monthly)
$2,516$2,516
$2,776$2,776
-9.37%
1-bedroom Apartment, Outside City Center(Monthly)
$2,403$2,403
$2,386$2,386
0.73%
3-bedroom Apartment, City Center(Monthly)
$3,253$3,253
$5,060$5,060
-35.70%
3-bedroom Apartment, Outside City Center(Monthly)
$3,664$3,664
$4,062$4,062
-9.80%
Buy Apartment in City Center(m2)
$3,662$3,662
$8,212$8,212
-55.41%
Buy Apartment Outside City Center(m2)
$3,768$3,768
$6,517$6,517
-42.18%
💵 Salaries & Financials
Fairfield, CA
San Diego, CA
Difference
Average Monthly Net Salary(After Tax)
$4,891$4,891
$5,298$5,298
-7.69%
20-Year Fixed Mortgage Interest Rate(Annual %)
6.52
6.39
2.03%
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Fairfield, CA: July 26, 2026
Last update for San Diego, CA: July 27, 2026
Cost Breakdown
🏠A one-bedroom apartment in the center runs $2,516 in Fairfield, CA and $2,776 in San Diego, CA. Housing cost is often the main lever when comparing two cities.
💰San Diego, CA pays 8% more on average. How far that income stretches comes down to housing choices and lifestyle.
🛒Dining out: $80.0 in Fairfield, CA vs $101 in San Diego, CA. Groceries flip the comparison at $445 vs $420, with San Diego, CA cheaper for home cooking.
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
Fairfield, CA vs San Diego, CA: Cost of Living - Frequently Asked Questions
Are salaries higher in Fairfield, CA or in San Diego, CA?
On paper, salaries run 8% lower in San Diego, CA. That's worth factoring in alongside costs, though remote workers earning in a stronger currency may not notice the difference at all.
How much does a 1-bedroom apartment cost in Fairfield, CA compared to San Diego, CA?
Rent for a central apartment: $2,516 in Fairfield, CA versus $2,776 in San Diego, CA. Housing is usually the single largest factor when comparing overall living costs between the two.
How expensive is transport in Fairfield, CA compared to San Diego, CA?
A monthly transit pass in San Diego, CA runs roughly 24% less than in Fairfield, CA. Both cities have functional networks, but the price difference matters if you're watching your budget.
Are groceries more expensive in Fairfield, CA or in San Diego, CA?
Supermarket bills run roughly 6% higher in Fairfield, CA. For households that cook at home regularly, that difference adds up over a month.
Can you live on $3,000/month in Fairfield, CA or in San Diego, CA?
Both cities are expensive relative to $3,000. San Diego, CA is the more realistic option, but even there you'll need to be disciplined with housing, food, and fun money.
Which city is better for digital nomads, Fairfield, CA or San Diego, CA?
Both work as nomad bases, but San Diego, CA delivers better value – similar infrastructure at $3,992 monthly. If stretching your runway or maximizing savings is the goal, the price difference makes San Diego, CA hard to pass up.
How safe is Fairfield, CA compared to San Diego, CA?
Safety-wise, Fairfield, CA and San Diego, CA are on par. Petty crime is typical for cities this size, and most residents feel comfortable going about their daily routines in either place.
Should I move to Fairfield, CA or to San Diego, CA?
It comes down to priorities – San Diego, CA wins on affordability, Fairfield, CA on earning potential. Factor in climate, language, visa rules, and proximity to places that matter to you before deciding.
Fairfield, CA vs other spots: cost of living compared