Cost of Living Comparison Between Chicago, IL and SeaTac, WA
For one person, living is cheaper in Chicago, IL: $3,037 a month against $3,170 in SeaTac, WA, rent and utilities included – about $1,600 less a year. Higher rent and utilities in SeaTac, WA outweigh lower spending on other living expenses.
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Chicago, IL Living Index147Cost of Living Index in Chicago, ILLearn more -
SeaTac, WA Living Index154Cost of Living Index in SeaTac, WALearn more
How much you'll spend in Chicago, IL and in SeaTac, WA
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Chicago, IL and in SeaTac, WA actually costs, broken down by who's living it.
A single person spends $3,037 per month in Chicago, IL vs $3,170 in SeaTac, WA, rent included.
- Chicago, IL $3,037
- SeaTac, WA $3,170
A couple spends around $4,518 per month in Chicago, IL vs $4,514 in SeaTac, WA, rent included.
- Chicago, IL $4,518
- SeaTac, WA $4,514
A family of three spends $5,999 per month in Chicago, IL vs $5,857 in SeaTac, WA, rent included.
- Chicago, IL $5,999
- SeaTac, WA $5,857
Chicago, IL is about 4% cheaper than SeaTac, WA, and outside of rent the biggest gap is in transport.
Both Chicago, IL and SeaTac, WA sit above the global median – Chicago, IL by 123%, SeaTac, WA by 133%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Chicago, IL: October 25, 2026
Last update for SeaTac, WA: October 25, 2026
Cost Breakdown
A central one-bedroom costs $2,526 in Chicago, IL versus $2,208 in SeaTac, WA. 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 23% higher in SeaTac, WA. Purchasing power depends on which expenses matter most to you.
A mid-range dinner for two costs $89 in Chicago, IL versus $79 in SeaTac, WA. Groceries tell a different story – $447 in Chicago, IL vs $449 in SeaTac, WA – so Chicago, IL wins on supermarket bills even if dining out costs more.
- Chicago, IL SeaTac, WA 2,790 km ≈ 4 h nonstop flight
- Chicago, IL
- SeaTac, WA
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
How do living costs in Chicago, IL and in SeaTac, WA compare overall?
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How do rents compare between Chicago, IL and SeaTac, WA?
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