Cheap flights
Cheap flights from Indonesia to Koh Samui
Track the cheapest Indonesia–Koh Samui fares — currently from €134.
Fares shown in EUR, observed from live searches.
Here's everything you need to book a cheap flight from Indonesia to Koh Samui: the cheapest fares we've tracked, how prices change month to month, and a free alert that watches the route for you.
Indonesia to Koh Samui flight prices by month
The cheapest month to fly Indonesia to Koh Samui is Sep 2026, with fares from €134. Use the table below to find the cheapest time to travel.
| Month | Cheapest fare |
|---|---|
| Jul 2026 | €150 |
| Aug 2026 | €145 |
| Sep 2026Cheapest | €134 |
Popular destinations from Indonesia
Frequently asked questions
How much is a flight from Indonesia to Koh Samui?
The cheapest Indonesia–Koh Samui fare we've tracked recently is €134 one-way. The lowest prices usually appear in Sep 2026.
What is the cheapest month to fly from Indonesia to Koh Samui?
Sep 2026 is currently the cheapest month to fly from Indonesia to Koh Samui, with fares from €134. See the month-by-month table above for the full year.
How far in advance should I book Indonesia to Koh Samui?
For Indonesia–Koh Samui, booking a few weeks to a few months ahead usually gives the best price. Flexible dates and mid-week departures help you save even more.
Can I set a price alert for Indonesia to Koh Samui?
Yes — Flyozo watches the Indonesia–Koh Samui route for free and emails you the moment the fare drops.
Start Planning Your Trip
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Going the other way
Prices on this page are observed from live flight searches (10,970 recent fares), not estimates. Last updated Jun 11, 2026. Actual prices change constantly — always confirm on the booking site.