# How much is the cheapest flight from Chiang Mai to Koh Samui?

| Field | Value |
|---|---|
| Origin | CNX (Chiang Mai, TH) |
| Destination | USM (Koh Samui, TH) |
| Cheapest observed fare | EUR 108 |
| Currency | EUR |
| Six-month low | EUR 76 |
| Cheapest observed departure date | 2027-07-21 |
| Movement | no drop recorded |
| Freshness | cached_snapshot |

## The short answer

The lowest fare AplusZ has observed from Chiang Mai to Koh Samui is EUR 108 one way. Over the trailing six months the lowest it reached was EUR 76, on a departure dated 2027-07-21.

## What this does not guarantee

This is a cached snapshot from a recurring fare scan, not a live quote and not a bookable price. Availability, taxes, baggage and seat fees are settled at the airline or agency, not here. Check the live price before booking:

https://aplusz.app/?from=CNX&to=USM&lang=en&utm_source=route-page

## Machine access

- Fare record: https://aplusz.app/v1/fare?from=CNX&to=USM
- All destinations from Chiang Mai: https://aplusz.app/v1/routes?from=CNX
- Tool server: https://aplusz.app/mcp (tool: find_cheapest_fare)
- Field meanings: https://aplusz.app/llms-full.txt#fields

---

HTML: https://aplusz.app/en/flights/chiang-mai-to-koh-samui
JSON: https://aplusz.app/v1/fare?from=CNX&to=USM
Tool: https://aplusz.app/mcp
Source: AplusZ fare scan, cached snapshot
Licence: https://aplusz.app/license.xml
Cite as: AplusZ, Chiang Mai to Koh Samui, https://aplusz.app/en/flights/chiang-mai-to-koh-samui