Cheap flight deals from Chiang Mai to Koh Samui

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Chiang Mai to Koh Samui?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15
15 22
22 29

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from Chiang Mai (CNX) to Koh Samui (USM) the cheapest?

Airlines adjust prices for flights from Chiang Mai to Koh Samui based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Chiang Mai (CNX) to Koh Samui (USM) cost?

According to Trip.com's data, the lowest price is around Rp 3,907,437.
How long does it take to fly from Chiang Mai (CNX) to Koh Samui (USM) and what is the distance?

It takes around 1 hour 45 minutes to fly from Chiang Mai (CNX) to Koh Samui (USM).
What is the transportation method from the main airport to downtown in Koh Samui?
- The distance from Samui International Airport to downtown is about 3 km. It takes about 20 minutes by taxi.
What are the most popular airlines that fly from Chiang Mai (CNX) to Koh Samui (USM)?

Airlines with flights from Chiang Mai (CNX) to Koh Samui (USM): Qatar Airways, China Airlines, Bangkok Airways, EVA Air, Turkish Airlines and Thai Airways.

How to find a cheap flight from Chiang Mai to Koh Samui

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chiang Mai to Koh Samui. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest Chiang Mai to Koh Samui ticket.

Tap "Date" in the flight search bar to browse the calendar and find airfare from Chiang Mai to Koh Samui for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 1406862 for a one-way ticket on Wed, Jun 4.

Compare cheap Chiang Mai to Koh Samui flight deals from hundreds of airlines.

Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Chiang Mai to Koh Samui. The most affordable airline currently operating on this route is Bangkok Airways.

Set up a Price Alert to track fare drops.

Set up a Price Alert for your Chiang Mai to Koh Samui route to track ticket prices effortlessly—no need to check manually every day.

Don't miss out on cheap Chiang Mai to Koh Samui flight deals and promo codes.

Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.

Book early or wait unitl the last minute to fine the best fares.

It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.

Search for flights on the go.

For the best booking experience on the go, download Trip.com and search for cheap flights from Chiang Mai to Koh Samui to access exclusive deals just for you.

Flight Info | Chiang Mai to Koh Samui

Cheapest one-way flight price	Rp 1,211,144
Cheapest round-trip ticket price	Rp 2,461,432
Off-season for travel	April
Peak season for travel	January
Flight distance	1,032.16 km
Average flight time	1 hour 45 minutes
Popular airline	Bangkok Airways