Trip.com
>
Cheap Flights
>
Thailand
>
Surat Thani Province
>
Koh Samui
Hotels in Koh Samui
>
Flights from Chiang Rai to Koh Samui

Airlines Flying from Chiang Rai to Koh Samui

Choose from 1 carriers that fly from Chiang Rai to Koh Samui, including Thai Airways,,
Thai Airways logo Thai Airways

Flight deals from Chiang Rai to Koh Samui

Find the cheapest flights from Chiang Rai to Koh Samui within the next three months. Book one-way flights from £66 or return tickets from £158.

  • Round-trip
  • One way

Deals on upcoming return flights from Chiang Rai to Koh Samui

Deals on upcoming one-way flights from Chiang Rai to Koh Samui

Find More Flights
Find More Flights

Flight Information from Chiang Rai to Koh Samui

The distance between Chiang Rai and Koh Samui is about 1,156.8km. The most popular month to Koh Samui is March. The off-season for travel is May.

Cheapest one-way flight price £66
Cheapest return ticket price £158
Off-season travel month May
Peak season for travel March
Flight distance 1,156.8km
Popular airline Thai Airways

Find the best time to fly from Chiang Rai to Koh Samui

The best time to book the cheapest flights from Chiang Rai to Koh Samui is between Aug 31 and Sep 7. One-way ticket prices start at £66 according to our flight calendar.

Cheapest flights
From price
Search
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from Chiang Rai (CEI) to Koh Samui (USM) the cheapest?

    Airlines adjust prices for flights from Chiang Rai to Koh Samui based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much are flights from Chiang Rai (CEI) to Koh Samui (USM) cost?

    According to Trip.com's data, the lowest price is around £157.

  • How many airports in Koh Samui (USM)?

    There are 1 airport(s) in Koh Samui (USM): Samui Airport.

How to find a cheap flight from Chiang Rai 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 Rai to Koh Samui. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest flight from Chiang Rai to Koh Samui.
Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Chiang Rai to Koh Samui over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Thu, Sep 4, with one-way flights priced at just £66.
2
Compare cheap flight deals from Chiang Rai to Koh Samui across hundreds of airlines.
With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Chiang Rai to Koh Samui. The cheapest airline for this route is Thai Vietjet Air.
3
Set up a Price Alert
By setting up a Price Alert for your journey from Chiang Rai to Koh Samui, you can easily keep an eye on ticket prices without having to check every day.
4
Don't miss out on cheap flight deals and promo codes from Chiang Rai to Koh Samui.
You can always find the latest offers through Trip.com Deals and Promo Codes for cheap flights. By signing up for a free membership, you'll get access to even more deals for your flights.
5
Book early or wait until the last minute.
It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.
6
Search for flights on the go.
For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Chiang Rai to Koh Samui and snag some exclusive deals just for you.

More Travel Options

  • Top Routes from Chiang Rai
  • Top Routes to Koh Samui
  • Popular Airlines