Cost of Living Comparison Between Koh Samui and Bangkok
For one person, living is cheaper in Bangkok: $1,114 a month against $1,176 in Koh Samui, rent and utilities included – about $740 less a year. Rent and utilities account for most of the difference.
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Koh Samui Living Index57Cost of Living Index in Koh SamuiLearn more -
Bangkok Living Index55Cost of Living Index in BangkokLearn more
How much you'll spend in Koh Samui and in Bangkok
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Koh Samui and in Bangkok actually costs, broken down by who's living it.
Monthly costs for one person with rent: $1,176 in Koh Samui versus $1,114 in Bangkok.
- Koh Samui $1,176
- Bangkok $1,114
Estimated couple costs with rent: $1,957 in Koh Samui versus $1,784 in Bangkok.
- Koh Samui $1,957
- Bangkok $1,784
Monthly costs for a family of three with rent: $2,737 in Koh Samui versus $2,455 in Bangkok.
- Koh Samui $2,737
- Bangkok $2,455
Living in Koh Samui is roughly 6% more expensive than in Bangkok, and outside of rent the biggest gap is in clothing.
Both cities sit below the global median: Koh Samui 13% lower, Bangkok 18% lower.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Koh Samui: October 12, 2026
Last update for Bangkok: October 13, 2026
Cost Breakdown
A one-bedroom apartment in the center runs $627 in Koh Samui and $680 in Bangkok. Housing cost is often the main lever when comparing two cities.
Bangkok pays 52% more on average while also being the cheaper of the two. The combined effect is a noticeably stronger local purchasing power.
Dining out: $33.00 in Koh Samui vs $35.00 in Bangkok for a mid-range dinner for two. Groceries echo the gap at $268 vs $272 per month, with Koh Samui cheaper across the board.
- Koh Samui Bangkok 480 km
- Koh Samui
- Bangkok
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
What is the total cost difference between living in Koh Samui and in Bangkok?
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