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

| Field | Value |
|---|---|
| Origin | USM (Koh Samui, TH) |
| Destination | BKK (Bangkok, TH) |
| Cheapest observed fare | EUR 79 |
| Currency | EUR |
| Six-month low | EUR 66 |
| Cheapest observed departure date | 2026-11-03 |
| Movement | no drop recorded |
| Freshness | cached_snapshot |

## The short answer

The lowest fare AplusZ has observed from Koh Samui to Bangkok is EUR 79 one way. Over the trailing six months the lowest it reached was EUR 66, on a departure dated 2026-11-03.

## 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=USM&to=BKK&lang=en&utm_source=route-page

## Machine access

- Fare record: https://aplusz.app/v1/fare?from=USM&to=BKK
- All destinations from Koh Samui: https://aplusz.app/v1/routes?from=USM
- 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/koh-samui-to-bangkok
JSON: https://aplusz.app/v1/fare?from=USM&to=BKK
Tool: https://aplusz.app/mcp
Source: AplusZ fare scan, cached snapshot
Licence: https://aplusz.app/license.xml
Cite as: AplusZ, Koh Samui to Bangkok, https://aplusz.app/en/flights/koh-samui-to-bangkok