Bangkok Airways
Su, Mo, We, Th, Fr, and Sa
starting at $165
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chiang Mai to Koh Samui. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
The cost of a one-way flight from Chiang Mai to Koh Samui ranges from $122 (October 2026) to $150 (December 2026). On average, the ticket price is about $138–$139.
A non-stop flight is the most convenient and comfortable way to fly from Chiang Mai to Koh Samui, despite the fact that sometimes flights with transfers can cost significantly less.
The only airline operating direct flights from Chiang Mai to Koh Samui is Bangkok Airways. Flights operate every day except Tuesday.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
On the Chiang Mai — Koh Samui route, ticket prices are stable. Whichever month you choose, the difference will be minimal.
There is a slight difference: it's a bit cheaper in October 2026–November 2026 (averaging $129) and slightly more in December 2026–January 2027 ($146). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 12%. Book whenever it's convenient.
Monthly price variation is just 5.9%. Ticket costs on this route are among the most predictable.
Bangkok Airways
Su, Mo, We, Th, Fr, and Sa
starting at $165
All airports
Chiang Mai — Koh Samui
12/02/2026
Departure
Direct flight
PG242
starting at $265
Chiang Mai — Koh Samui
06/15/2027
Departure
Direct flight
PG242
starting at $146
Chiang Mai — Koh Samui
11/09/2026
Departure
Direct flight
PG242
starting at $189
Chiang Mai — Koh Samui
10/27/2026
Departure
Direct flight
PG242
starting at $224
Chiang Mai — Koh Samui
11/10/2026
Departure
Direct flight
PG242
starting at $269
Chiang Mai — Koh Samui
11/12/2026
Departure
Direct flight
PG242
starting at $269
Chiang Mai — Koh Samui
03/04/2027
Departure
Direct flight
PG242
starting at $269
Chiang Mai — Koh Samui
11/07/2026
Departure
Direct flight
PG242
starting at $267
Chiang Mai — Koh Samui
03/07/2027
Departure
Direct flight
PG242
starting at $270
Chiang Mai — Koh Samui
12/16/2026
Departure
Direct flight
PG242
starting at $292
starting at $126
starting at $126
starting at $126
starting at $128
starting at $128
More than 5 airlines operate flights from Chiang Mai to Koh Samui, including Bangkok Airways, Nok Air, Thai Vietjet Air, Thai Lion Air, and Thai AirAsia. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $126, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest flight ticket from Chiang Mai to Koh Samui according to data for the last 48 hours costs $126
Often the best time to buy tickets from Chiang Mai to Koh Samui is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chiang Mai to Koh Samui can be found flying in these months: October, March, February.
The fastest flights from Chiang Mai to Koh Samui start from 4 hours 35 minutes in the air.
The following airlines operate direct flights on the route Chiang Mai — Koh Samui: Bangkok Airways
The cheapest one-way flight from Chiang Mai to Koh Samui departs on 10/27/2026, is operated by Nok Air and costs $126
The cheapest roundtrip flight from Chiang Mai to Koh Samui departs on 11/12/2026, is operated by Thai Vietjet Air and costs $381
Fastest flight from Chiang Mai to Koh Samui takes 4h 35m
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
The distance between Chiang Mai and Koh Samui is 1034km (641 miles). The average flight duration is 1h 45m. There are 12 direct flights from Chiang Mai to Koh Samui. Chiang Mai and Koh Samui are in the same time zone. Flights from Chiang Mai begin at 11:35 AM. The latest flight from Chiang Mai departs at 3:00 PM
