Cost of Living Comparison Between Seattle, WA and Key West, FL
For one person, living is cheaper in Seattle, WA: $3,800 a month against $4,808 in Key West, FL, rent and utilities included – about $12,100 less a year. Higher rent and utilities in Key West, FL outweigh lower spending on other living expenses.
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Seattle, WA Living Index185Cost of Living Index in Seattle, WALearn more -
Key West, FL Living Index233Cost of Living Index in Key West, FLLearn more
How much you'll spend in Seattle, WA and in Key West, FL
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Seattle, WA and in Key West, FL actually costs, broken down by who's living it.
A single person spends $3,800 per month in Seattle, WA vs $4,808 in Key West, FL, rent included.
- Seattle, WA $3,800
- Key West, FL $4,808
A couple spends around $5,702 per month in Seattle, WA vs $7,043 in Key West, FL, rent included.
- Seattle, WA $5,702
- Key West, FL $7,043
A family of three spends $7,603 per month in Seattle, WA vs $9,278 in Key West, FL, rent included.
- Seattle, WA $7,603
- Key West, FL $9,278
Seattle, WA is about 21% cheaper than Key West, FL, and outside of rent the biggest gap is in transport.
Both Seattle, WA and Key West, FL sit above the global median – Seattle, WA by 182%, Key West, FL by 256%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Seattle, WA: October 13, 2026
Last update for Key West, FL: October 13, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
A central one-bedroom costs $2,464 in Seattle, WA versus $3,436 in Key West, FL. 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 5% higher in Seattle, WA, which reinforces the cost advantage – you earn more and spend less. Purchasing power leans clearly in its favor.
A mid-range dinner for two costs $101 in Seattle, WA versus $98.0 in Key West, FL. Monthly groceries follow the same trend: $542 vs $457 – making Key West, FL the more affordable choice for daily food spending.
- Seattle, WA Key West, FL 4,380 km ≈ 6 h nonstop flight
- Seattle, WA
- Key West, FL
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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