Cost of Living Comparison Between SeaTac, WA and Seattle, WA
For one person, living is cheaper in SeaTac, WA: $3,170 a month against $3,785 in Seattle, WA, rent and utilities included – about $7,400 less a year. Rent and utilities account for about half of the difference.
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SeaTac, WA Living Index154Cost of Living Index in SeaTac, WALearn more -
Seattle, WA Living Index184Cost of Living Index in Seattle, WALearn more
How much you'll spend in SeaTac, WA and in Seattle, WA
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in SeaTac, WA and in Seattle, WA actually costs, broken down by who's living it.
A single person spends $3,170 per month in SeaTac, WA vs $3,785 in Seattle, WA, rent included.
- SeaTac, WA $3,170
- Seattle, WA $3,785
A couple spends around $4,514 per month in SeaTac, WA vs $5,688 in Seattle, WA, rent included.
- SeaTac, WA $4,514
- Seattle, WA $5,688
A family of three spends $5,857 per month in SeaTac, WA vs $7,592 in Seattle, WA, rent included.
- SeaTac, WA $5,857
- Seattle, WA $7,592
SeaTac, WA is about 16% cheaper than Seattle, WA, and outside of rent the biggest gap is in clothing.
Both SeaTac, WA and Seattle, WA sit above the global median – SeaTac, WA by 133%, Seattle, WA by 178%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for SeaTac, WA: October 25, 2026
Last update for Seattle, WA: October 26, 2026
Cost Breakdown
A central one-bedroom costs $2,208 in SeaTac, WA versus $2,508 in Seattle, 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 6% higher in Seattle, WA, 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 $79 in SeaTac, WA versus $101 in Seattle, WA. Monthly groceries follow the same trend: $449 vs $547 – making SeaTac, WA the more affordable choice for daily food spending.
- SeaTac, WA Seattle, WA 18 km
- SeaTac, WA
- Seattle, WA
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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