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Cheap Flights from Chiang Rai to Samui International

Compare Chiang Rai to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

Book the best Samui International fare with no extra fees

Flight deals from Chiang Rai to Samui International

Looking for a cheap last-minute deal or the best return flight from Chiang Rai to Samui International? Find the lowest prices on one-way and return tickets right here.
Koh Samui.R 1,477 per passenger.Departing Wed, 8 Jul.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Rai on Wed, 8 Jul, arriving in Samui International.Price includes taxes and charges.From R 1,477, select.
Koh Samui.R 1,477 per passenger.Departing Sat, 8 Aug.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Rai on Sat, 8 Aug, arriving in Samui International.Price includes taxes and charges.From R 1,477, select.
Koh Samui.R 1,518 per passenger.Departing Tue, 30 Jun.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Chiang Rai on Tue, 30 Jun, arriving in Samui International.Price includes taxes and charges.From R 1,518, select.
Koh Samui.R 1,680 per passenger.Departing Sun, 8 Mar.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Sun, 8 Mar, arriving in Samui International.Price includes taxes and charges.From R 1,680, select.
Koh Samui.R 1,740 per passenger.Departing Wed, 1 Apr.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Wed, 1 Apr, arriving in Samui International.Price includes taxes and charges.From R 1,740, select.
Koh Samui.R 1,801 per passenger.Departing Tue, 19 May.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Tue, 19 May, arriving in Samui International.Price includes taxes and charges.From R 1,801, select.
Koh Samui.R 1,801 per passenger.Departing Fri, 23 Jan.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Fri, 23 Jan, arriving in Samui International.Price includes taxes and charges.From R 1,801, select.
Koh Samui.R 1,821 per passenger.Departing Thu, 26 Feb.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Chiang Rai on Thu, 26 Feb, arriving in Samui International.Price includes taxes and charges.From R 1,821, select.

Find the cheapest month to fly from Chiang Rai to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chiang Rai to Samui International flights are currently cheapest in July.
Oct
from R 2,084
Nov
from R 1,862
Dec
from R 2,388
Jan
from R 1,801
Feb
from R 1,821
Mar
from R 1,680
Apr
from R 1,740
May
from R 1,801
Jun
from R 1,518
Jul
from R 1,477
Aug
from R 1,477
Sep
from R 3,140

Chiang Rai to Samui International: Alternative routes

Compare routes from Chiang Rai to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Chiang Rai to Koh Samui: Flight information

The things to know before you go.
Cheapest flight foundR 1,477
Cheapest month to flyAugust

Finding cheap flights from Chiang Rai to Samui International: Frequently asked questions

The best price we found for a return flight from Chiang Rai to Samui International is R 3,622. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chiang Rai to Samui International. But we found flights with one or more stops from R 3,622.
As of October 2025, there are no flights flying from Chiang Rai to Samui International.
The cheapest month to fly from Chiang Rai to Samui International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Rai Airport to Samui International Airport on Thursday, 14 May 2026.
No airlines currently offer direct flights between Chiang Rai Airport and Samui International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai AirAsia offers the cheapest flight tickets to Samui International.

Travelling from Chiang Rai International Airport (CEI) to Koh Samui Airport (USM): what you need to know

  • Your CEI to USM flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Be prepared for bigger queues in popular months like April. Arriving up to four hours ahead of international flights and two hours for domestic departures will help ensure a smooth travel experience.

  • Pick a stopover if you'd love to break up your flight. Just deselect 'Direct flights only' to see all your options for tickets from Chiang Rai International Airport to Koh Samui Airport. Suvarnabhumi Airport is a top stopover on the CEI to USM route.

How to find the cheapest flights from Chiang Rai International Airport (CEI) to Koh Samui Airport (USM)

  • The lowest price we've seen for a one-way Chiang Rai International Airport to Koh Samui Airport flight is R 1,477. A return fare is currently R 3,622. Depending on the availability and when you book, these fares could change.

  • Don't leave things to the last moment. You're more likely to get cheap tickets from CEI to USM if you book ahead. Airlines often offer some fantastic early bird discounts.

  • Finding cheap flights from Chiang Rai International Airport to Koh Samui Airport is easier if you're flexible with your dates. Use the 'Whole month' search tool to see the lowest fares throughout the month and score a great deal.

  • Landing cheap flights from CEI to USM is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.

  • Select your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Chiang Rai International Airport to Koh Samui Airport.

Handy information about Chiang Rai International Airport (CEI)

  • Of all flights departing from Chiang Rai International Airport, 73.36% land on schedule at their destination.

  • Chiang Rai International Airport is around 8 kilometres from central Chiang Rai. If you're driving, catching a cab or ride-sharing from the centre, it'll take 15 minutes or so to get there, depending on the traffic.

  • Booked an early flight from Chiang Rai International Airport to Koh Samui Airport? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by picking one of these stays close to CEI:

Arriving at Koh Samui Airport (USM)

  • If you're coming in on a late Chiang Rai International Airport to Koh Samui Airport flight, nothing beats the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and snoozing soon after at one of these hotels near USM:

  • Explore without limits with a Koh Samui Airport rental car. Book your wheels from asap car hire, Hertz or Drive Car Hire and see more of Koh Samui and beyond.

  • To secure the lowest price, reserve your vehicle from Koh Samui Airport around four weeks before travelling.

Getting from Koh Samui Airport (USM) to central Koh Samui

  • Koh Samui Airport to central Koh Samui is roughly 3 kilometres. Journey times can vary based on traffic and the time of day, so checking a navigation app for real-time information is always a smart move.

When to fly to Koh Samui Airport (USM)

  • The quietest month for a flight from Chiang Rai International Airport to Koh Samui Airport is February, while July is the most popular. Choose the ideal time to go to Koh Samui based on whether you prefer a more fast-paced or easygoing experience.

Explore more of Thailand

  • You've visited Koh Samui, now it's time to explore other corners of Thailand. Journey around 467 kilometres north to Bangkok to check off its top attractions. From Grand Palace to Wat Arun and Wat Phra Kaew, you'll have a packed itinerary ahead.

  • If you're interested in discovering another side of Thailand, head for Chon Buri, roughly 434 kilometres north of Koh Samui. Wat Ton Son, Forest and Phra Phutthasihing Hall are key reasons to visit.

Plan the rest of your trip from Chiang Rai to Koh Samui

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.