Cheap flights from Chiang Mai to Koh Samui
from 130 US$
From 260 USD — compare hundreds of airlines
The cheapest month is usually 2026-09 · 130 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Chiang Mai to Koh Samui, a about 1,031 km route (around 1h 47m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Bangkok Airways operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Chiang Mai to Koh Samui?
It's usually 2026-09, from 130 USD. Use the price calendar to compare other dates.
How long is the flight from Chiang Mai to Koh Samui?
A nonstop flight takes about 1h 47m and covers around 1,031 km. Connecting itineraries take longer.
Are there direct flights from Chiang Mai to Koh Samui?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Chiang Mai to Koh Samui?
Bangkok Airways operate this route, among others. Compare them all in the results.
When should I book Chiang Mai–Koh Samui flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
Compare your dates in seconds
Chiang Mai → Koh Samui · Live fares from 100+ sites — free, with no hidden fees.