Cost of Living Comparison Between Seattle, WA and Kailua, HI
For one person, living is cheaper in Seattle, WA: $3,762 a month against $4,083 in Kailua, HI, rent and utilities included – about $3,900 less a year. Rent and utilities account for most of the difference.
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Seattle, WA Living Index182Cost of Living Index in Seattle, WALearn more -
Kailua, HI Living Index198Cost of Living Index in Kailua, HILearn more
How much you'll spend in Seattle, WA and in Kailua, HI
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 Kailua, HI actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,762 in Seattle, WA versus $4,083 in Kailua, HI.
- Seattle, WA $3,762
- Kailua, HI $4,083
Estimated couple costs with rent: $5,651 in Seattle, WA versus $6,047 in Kailua, HI.
- Seattle, WA $5,651
- Kailua, HI $6,047
Monthly costs for a family of three with rent: $7,541 in Seattle, WA versus $8,011 in Kailua, HI.
- Seattle, WA $7,541
- Kailua, HI $8,011
Living in Seattle, WA costs roughly 8% less than in Kailua, HI, and outside of rent the biggest gap is in groceries.
Both cities are pricier than the global median: Seattle, WA 178% above, Kailua, HI 202% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Seattle, WA: November 2, 2026
Last update for Kailua, HI: November 1, 2026
Cost Breakdown
A one-bedroom apartment in the center runs $2,579 in Seattle, WA and $2,798 in Kailua, HI. Housing cost is often the main lever when comparing two cities.
Seattle, WA pays 36% more on average while also being the cheaper of the two. The combined effect is a noticeably stronger local purchasing power.
Dining out: $99 in Seattle, WA vs $139 in Kailua, HI for a mid-range dinner for two. Groceries echo the gap at $544 vs $633 per month, with Seattle, WA cheaper across the board.
- Seattle, WA Kailua, HI 4,340 km ≈ 6 h nonstop flight
- Seattle, WA
- Kailua, HI
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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