Cheap Flights from Sydney to Chiang Rai

Compare Sydney to Chiang Rai flight deals

Find the cheapest month or even day of the year to fly to Chiang Rai

Book the best Chiang Rai fare with no extra fees

Flight deals from Sydney Airport to Chiang Rai Airport

Looking for a cheap last-minute deal or the best return flight from Sydney Airport to Chiang Rai Airport? If you want to travel next month, return fares start from R 21,252. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to Chiang Rai

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Chiang Rai flights are currently cheapest in May.

Sydney to Chiang Rai: Alternative routes

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

Sydney to Chiang Rai: Flight information

The things to know before you go.
Cheapest flight foundR 3,336
Cheapest month to flyMay

Finding cheap flights from Sydney to Chiang Rai: Frequently asked questions

The best price we found for a return flight from Sydney to Chiang Rai is R 7,772. 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 Sydney to Chiang Rai. But we found flights with one or more stops from R 7,772.
As of April 2026, there are no flights flying from Sydney to Chiang Rai.
The cheapest month to fly from Sydney to Chiang Rai is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Chiang Rai Airport on Wednesday, 12 August 2026.
No airlines currently offer direct flights between Sydney Airport and Chiang Rai 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 Chiang Rai 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 Chiang Rai is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Scoot offers the cheapest flight tickets to Chiang Rai.

Travelling from Sydney (Kingsford Smith) Airport (SYD) to Chiang Rai International Airport (CEI): what you need to know

  • Chiang Rai's timezone is UTC+7, which makes Chiang Rai four hours behind Sydney.

  • To ensure you get on your SYD to CEI flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • During popular months like April, it's best to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead for international flights when you fly during a peak period in general.

  • Opt for a stopover if you'd like to break up your flight. Just deselect 'Direct flights only' to see the options for tickets from Sydney (Kingsford Smith) Airport to Chiang Rai International Airport. Suvarnabhumi Airport is a top stopover on the SYD to CEI route.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Chiang Rai International Airport (CEI)

  • R 3,336 is currently the lowest price for a one-way Sydney (Kingsford Smith) Airport to Chiang Rai International Airport flight. Return flights start at R 7,772. These prices may change depending on availability.

  • To find cheap tickets from SYD to CEI, book as early as you can. Airlines usually offer lower prices when flights are first released.

  • Getting cheap flights from Sydney (Kingsford Smith) Airport to Chiang Rai International Airport is easier if you can be flexible with your trip dates. Use the 'Whole month' search function to see the lowest prices across the month and bag a great deal.

  • Save time searching for cheap flights from SYD to CEI by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Select your preferred departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Sydney (Kingsford Smith) Airport to Chiang Rai International Airport.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • When it comes to the on-time performance of Sydney (Kingsford Smith) Airport, 69.62% of flights arrive within the expected timeframe.

  • Sydney (Kingsford Smith) Airport is around 18 kilometres from central Sydney. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • You can expect a trip time of roughly 25 minutes when using public transport.

  • Booked an early flight from Sydney (Kingsford Smith) Airport to Chiang Rai International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these hotels near SYD:

Arriving at Chiang Rai International Airport (CEI)

  • The last thing you want is a long journey to your hotel if you're landing late on a Sydney (Kingsford Smith) Airport to Chiang Rai International Airport flight. Check in to one of these accommodation options near CEI instead:

  • Hit the road running by picking up a Chiang Rai International Airport rental car. Grab a set of wheels from Chic Car Rent, Drive Car Hire or Hertz and explore beyond Chiang Rai's main sights.

  • Get the best deal by reserving your vehicle from Chiang Rai International Airport about four weeks before your departure date.

Getting from Chiang Rai International Airport (CEI) to central Chiang Rai

  • Chiang Rai International Airport is approximately 8 kilometres from central Chiang Rai. Driving there takes about 15 minutes.

When to fly to Chiang Rai International Airport (CEI)

  • It's time to plan your dates for your flight from Sydney (Kingsford Smith) Airport to Chiang Rai International Airport. April is the most popular month to visit Chiang Rai. If you're after a more laid-back vibe, go in February.

  • The warmest month in Chiang Rai is April, with temperatures ranging between 22ºC (72ºF) and 41ºC (106ºF). Book your flights from Sydney (Kingsford Smith) Airport to Chiang Rai International Airport in this month if you enjoy this type of weather.

  • Search for cheap tickets from SYD to CEI in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 12ºC (54ºF) and 30ºC (86ºF) on average.

Explore more of Thailand

  • Chiang Rai has plenty to offer, but there are so many other parts of Thailand you'll want to see. Around 418 kilometres south-east of Chiang Rai, a trip to Udon Thani will keep you busy. Check out popular attractions like Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.

  • If you want to check out another side of Thailand, head for Chiang Mai, about 153 kilometres south-west of Chiang Rai. Doi Suthep, Kalare Night Bazaar and Wat Phra Singh are among its highlights.

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