Is Koh Samui expensive?
An 8-day trip to Koh Samui costs about $4,186 for 2 people travelling comfortably — roughly $2,093 each, or $523 a day. Done leanly it is nearer $3,218; done well, about $6,169. That includes flights from LAX, lodging, food, getting around and things to do.
Thailand · beach · islands · diving
8 days · 2 adults · October · 8,514 miles each way · Visa-free for US passports (60 days)
Wider estimate. On-the-ground costs here are modelled from Thailand's typical prices adjusted for Koh Samui, not checked city by city — so we show a wider range rather than pretend to precision we don't have.
October is outside peak season here — lodging is cheaper, but check the weather.
Lean
Hostels and guesthouses, street food, public transport.
| Flightsroundtrip, 2 adults | $2,266 |
| Lodging7 nights, 1 room(s) | $184 |
| Food8 days, 2 adults | $272 |
| Getting aroundlocal transport | $128 |
| Activitiesentries, tours, a few splurges | $208 |
| Airport transfersboth ends, both ways | $64 |
| Travel insuranceestimate | $96 |
| Total | $3,218 |
| likely $2,189–$4,248 · $1,609 per person · $402 per day · modelled confidence | |
Comfortable
Solid 3-star hotels, restaurants, the occasional taxi.
| Flightsroundtrip, 2 adults | $2,266 |
| Lodging7 nights, 1 room(s) | $512 |
| Food8 days, 2 adults | $560 |
| Getting aroundlocal transport | $224 |
| Activitiesentries, tours, a few splurges | $464 |
| Airport transfersboth ends, both ways | $64 |
| Travel insuranceestimate | $96 |
| Total | $4,186 |
| likely $2,846–$5,525 · $2,093 per person · $523 per day · modelled confidence | |
Premium
4-star and up, eating well, taxis and private tours.
| Flightsroundtrip, 2 adults | $2,266 |
| Lodging7 nights, 1 room(s) | $1,119 |
| Food8 days, 2 adults | $1,168 |
| Getting aroundlocal transport | $544 |
| Activitiesentries, tours, a few splurges | $912 |
| Airport transfersboth ends, both ways | $64 |
| Travel insuranceestimate | $96 |
| Total | $6,169 |
| likely $4,195–$8,143 · $3,084 per person · $771 per day · modelled confidence | |
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