Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Find cheap one-way flights from Chiang Mai to Koh Samui starting at US$65.

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

  • One way
  • Round-trip

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

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

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

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Chiang Mai to Koh Samui

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Bangkok Airways
From US$65
Thai Vietjet Air
From US$83
Thai Lion Air
From US$85
Thai AirAsia
From US$104
Thai Airways
From US$105
Nokair Airline
From US$118
ANA airlines

Find more flights and airlines

Find cheap flights from Chiang Mai to Koh Samui by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Chiang Mai to Koh Samui.

  • Cheapest
    Bangkok Airways
    CNX
    11:55
    7h 50m
    1 transfer
    USM
    19:45
    Chiang Mai International Airport - Samui International Airport
    Sat, Jun 8Bangkok Airways
    US$65
  • Bangkok Airways
    CNX
    11:55
    7h 50m
    1 transfer
    USM
    19:45
    Chiang Mai International Airport - Samui International Airport
    Sat, Jun 8Bangkok Airways
    US$65
    Find More Flights

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 $240.
  • 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 3km. 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): China Airlines, Qatar Airways, EVA Air, Bangkok Airways, Turkish Airlines, Singapore 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.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Chiang Mai to Koh Samui Flight Information

Cheapest nonstop flight price

$65

Cheapest round-trip ticket price

$144

Off-season for travel

December

Peak season for travel

October

Flight distance

1,032.16km

Average flight time

1 hour 45 minutes

Popular airline

Bangkok Airways

What You Should Know about Flights from Chiang Mai to Koh Samui