Cheap flights
Cheap flights from Vietnam to Koh Samui
Track the cheapest Vietnam–Koh Samui fares — currently from €132.
Fares shown in EUR, observed from live searches.
Here's everything you need to book a cheap flight from Vietnam 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.
Vietnam to Koh Samui flight prices by month
The cheapest month to fly Vietnam to Koh Samui is Sep 2026, with fares from €132. Use the table below to find the cheapest time to travel.
| Month | Cheapest fare |
|---|---|
| Jul 2026 | €154 |
| Aug 2026 | €142 |
| Sep 2026Cheapest | €132 |
Popular destinations from Vietnam
Frequently asked questions
How much is a flight from Vietnam to Koh Samui?
The cheapest Vietnam–Koh Samui fare we've tracked recently is €132 one-way. The lowest prices usually appear in Sep 2026.
What is the cheapest month to fly from Vietnam to Koh Samui?
Sep 2026 is currently the cheapest month to fly from Vietnam to Koh Samui, with fares from €132. See the month-by-month table above for the full year.
How far in advance should I book Vietnam to Koh Samui?
For Vietnam–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 Vietnam to Koh Samui?
Yes — Flyozo watches the Vietnam–Koh Samui route for free and emails you the moment the fare drops.
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Prices on this page are observed from live flight searches (12,037 recent fares), not estimates. Last updated Jun 12, 2026. Actual prices change constantly — always confirm on the booking site.