🙂Monthly costs for one person with rent: $2,527 in Kauai, Hawaii versus $3,661 in Seattle, WA.
🙂Estimated couple costs with rent: $3,714 in Kauai, Hawaii versus $5,544 in Seattle, WA.
🙂Monthly costs for a family of three with rent: $4,900 in Kauai, Hawaii versus $7,427 in Seattle, WA.
🙂Living in Kauai, Hawaii costs roughly 31% less than in Seattle, WA, driven mainly by Groceries & Markets.
📊Both cities are pricier than the global median: Kauai, Hawaii89% above, Seattle, WA173% above.
Currency
🍽 Eating Out
Kauai, Hawaii
Seattle, WA
Difference
Meal at Budget Restaurant
$18.98$18.98
$25.32$25.32
-25.04%
Three-Course Dinner for Two, Mid-Range
$75.4$75.4
$121$121
-37.77%
Fast Food Meal(McDonalds, etc)
$10.84$10.84
$14.11$14.11
-23.18%
Cappuccino
$5.05$5.05
$5.82$5.82
-13.23%
Coke/Pepsi/Fanta/Sprite(0.33 liter bottle)
$2.60$2.60
$2.98$2.98
-12.75%
Water(0.33 liter bottle)
$2.04$2.04
$2.40$2.40
-15.00%
Local Beer(0.5 liter draught)
$5.86$5.86
$7.73$7.73
-24.19%
Imported Beer(0.33 liter bottle)
$7.07$7.07
$7.87$7.87
-10.17%
🛒 Groceries & Markets
Kauai, Hawaii
Seattle, WA
Difference
Milk(1 liter)
$1.01$1.01
$1.34$1.34
-24.63%
White Bread(500g)
$3.55$3.55
$4.91$4.91
-27.70%
Rice(white)(1kg)
$4.39$4.39
$5.14$5.14
-14.59%
Eggs
$4.09$4.09
$6.57$6.57
-37.75%
Local Cheese(1kg)
$12.02$12.02
$24.64$24.64
-51.22%
Chicken Fillets(1kg)
$11.36$11.36
$15.88$15.88
-28.46%
Beef Round Steak(1kg)
$15.66$15.66
$20.14$20.14
-22.24%
Apples(1kg)
$4.83$4.83
$6.27$6.27
-22.97%
Banana(1kg)
$1.61$1.61
$2.86$2.86
-43.71%
Oranges(1kg)
$4.23$4.23
$5.29$5.29
-20.04%
Tomato(1kg)
$4.62$4.62
$6.39$6.39
-27.70%
Potato(1kg)
$2.80$2.80
$3.21$3.21
-12.77%
Onion(1kg)
$2.78$2.78
$3.83$3.83
-27.42%
Lettuce(1 head)
$2.12$2.12
$2.74$2.74
-22.63%
Water(1.5 liter bottle)
$2.09$2.09
$2.58$2.58
-18.99%
Cigarettes 20 Pack(Marlboro, Camel)
$9.38$9.38
$11.64$11.64
-19.42%
Wine(Bottle)
$13.84$13.84
$15.77$15.77
-12.24%
Local Beer(0.5 liter bottle)
$1.79$1.79
$2.88$2.88
-37.85%
Imported Beer(0.33 liter bottle)
$3.39$3.39
$4.39$4.39
-22.78%
🚌 Getting Around
Kauai, Hawaii
Seattle, WA
Difference
One-way Ticket(Public Transport)
$1.98$1.98
$2.76$2.76
-28.26%
Public Transport Monthly Pass(Regular Price)
-
$98.8$98.8
-
Taxi Start(Normal Tariff)
$3.55$3.55
$2.67$2.67
32.96%
Taxi(Normal Tariff)(1km)
$1.60$1.60
$1.70$1.70
-5.88%
Taxi 1hour Waiting(Normal Tariff)
$28.87$28.87
$29.74$29.74
-2.93%
Gasoline(1 liter)
$0.84$0.84
$1.14$1.14
-26.32%
Midsize Hatchback 1.4l(Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$30.0K$30.0K
$32.9K$32.9K
-8.70%
Compact Sedan 1.6l(Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$26.0K$26.0K
$26.0K$26.0K
0.23%
🧾 Monthly Utilities & Internet
Kauai, Hawaii
Seattle, WA
Difference
Utilities for 2 People in 2-bedroom Apartment(Heating, Electricity, Gas, Water, Garbage)(85m2)
$184$184
$268$268
-31.44%
SIM Card Monthly Plan(Calls and 10GB+ Data)
$52.2$52.2
$60.9$60.9
-14.34%
Internet(50+ Mbps, Unlimited Data)
$67.9$67.9
$76.2$76.2
-10.84%
🎉 Sport & Entertainment
Kauai, Hawaii
Seattle, WA
Difference
Gym Membership(Monthly)
$42.69$42.69
$78.1$78.1
-45.30%
Tennis Court(1 Hour on Weekend)
-
$40.15$40.15
-
Cinema Ticket
$13.32$13.32
$15.82$15.82
-15.80%
🧸 Childcare & Education
Kauai, Hawaii
Seattle, WA
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child(Monthly)
$1,288$1,288
$2,252$2,252
-42.83%
International Primary School, 1 Child(Yearly)
$23.9K$23.9K
$29.7K$29.7K
-19.47%
👕👟 Clothing & Footwear
Kauai, Hawaii
Seattle, WA
Difference
Jeans(Levis 501 Or Similar)
$51.9$51.9
$70.8$70.8
-26.72%
Summer Dress(H&M, Zara, etc)
$39.82$39.82
$53.1$53.1
-25.07%
Sport Shoes(Adidas, Nike)
$86.8$86.8
$117$117
-25.96%
Men's Leather Business Shoes
$111$111
$139$139
-19.85%
🏠 Accommodation & Living
Kauai, Hawaii
Seattle, WA
Difference
1-bedroom Apartment, City Center(Monthly)
$1,571$1,571
$2,310$2,310
-31.96%
1-bedroom Apartment, Outside City Center(Monthly)
$1,371$1,371
$1,849$1,849
-25.88%
3-bedroom Apartment, City Center(Monthly)
$2,602$2,602
$4,739$4,739
-45.08%
3-bedroom Apartment, Outside City Center(Monthly)
$2,190$2,190
$3,556$3,556
-38.41%
Buy Apartment in City Center(m2)
$2,728$2,728
$7,775$7,775
-64.92%
Buy Apartment Outside City Center(m2)
$2,465$2,465
$5,351$5,351
-53.94%
💵 Salaries & Financials
Kauai, Hawaii
Seattle, WA
Difference
Average Monthly Net Salary(After Tax)
-
$6,575$6,575
-
20-Year Fixed Mortgage Interest Rate(Annual %)
6.51
6.42
1.40%
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Kauai, Hawaii: April 22, 2026
Last update for Seattle, WA: April 21, 2026
Cost Breakdown
🏠A one-bedroom apartment in the center runs $1,571 in Kauai, Hawaii and $2,310 in Seattle, WA. Housing cost is often the main lever when comparing two cities.
🛒Dining out: $75 in Kauai, Hawaii vs $121 in Seattle, WA for a mid-range dinner for two. Groceries echo the gap at $384 vs $539 per month, with Kauai, Hawaii cheaper across the board.
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
Kauai, Hawaii vs Seattle, WA: Cost of Living - Frequently Asked Questions
Which city is more expensive, Kauai, Hawaii or Seattle, WA?
Kauai, Hawaii wins on cost – living expenses run 45% lower than in Seattle, WA. Housing and daily spending are where you'll feel the difference most, making Kauai, Hawaii the obvious pick if budget is a priority.
How much do you need to earn to live comfortably in Kauai, Hawaii vs Seattle, WA?
You'd need roughly $3,791 in Kauai, Hawaii and $5,491 in Seattle, WA to live well. The gap comes down to housing and overall price levels. Both cities are liveable on less, but these numbers represent actual comfort.
How much does a 1-bedroom apartment cost in Kauai, Hawaii vs Seattle, WA?
Rent for a central apartment: $1,571 in Kauai, Hawaii versus $2,310 in Seattle, WA. Housing is usually the single largest factor when comparing overall living costs between the two.
Are groceries more expensive in Kauai, Hawaii or Seattle, WA?
Supermarket bills run roughly 40% higher in Seattle, WA. For households that cook at home regularly, that difference adds up over a month.
How much does it cost to live in Kauai, Hawaii compared to Seattle, WA?
All in, you'll spend $2,527 per month in Kauai, Hawaii versus $3,661 in Seattle, WA – a 45% gap that adds up to real savings over time for anyone picking the cheaper option.
Can you live on $2,000/month in Kauai, Hawaii or Seattle, WA?
Both cities are expensive relative to $2,000. Kauai, Hawaii 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, Kauai, Hawaii or Seattle, WA?
Both work as nomad bases, but Kauai, Hawaii delivers better value – similar infrastructure at $2,527 monthly. If stretching your runway or maximizing savings is the goal, the price difference makes Kauai, Hawaii hard to pass up.
How safe is Kauai, Hawaii compared to Seattle, WA?
Safety-wise, Kauai, Hawaii and Seattle, WA are on par. Petty crime is typical for cities this size, and most residents feel comfortable going about their daily routines in either place.
Which city is more affordable for expats?
Expats usually find Kauai, Hawaii gentler on the wallet – expenses run 45% less than in Seattle, WA. Beyond cost, consider language, visa policies, and how big the international community is in each city.
Kauai, Hawaii vs other spots: cost of living compared