Cheap Flights from Chiang Rai to Sydney

Compare Chiang Rai to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

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Flight deals from Chiang Rai to Sydney

Looking for a cheap last-minute deal or the best return flight from Chiang Rai Airport to Sydney Airport? If you want to travel next month, return fares start from $1,574. Find the lowest prices on one-way and return tickets right here.

Sydney.$847 per passenger.Departing Mon, 21 Sep, returning Wed, 14 Oct.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Chiang Rai on Mon, 21 Sep, arriving in Sydney.Inbound indirect flight with Scoot, departs from Sydney on Wed, 14 Oct, arriving in Chiang Rai.Price includes taxes and charges.From $847, select.

Sydney.$857 per passenger.Departing Fri, 28 Aug, returning Thu, 3 Sep.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Chiang Rai on Fri, 28 Aug, arriving in Sydney.Inbound indirect flight with Scoot, departs from Sydney on Thu, 3 Sep, arriving in Chiang Rai.Price includes taxes and charges.From $857, select.

Sydney.$921 per passenger.Departing Fri, 6 Nov, returning Fri, 26 Feb.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Chiang Rai on Fri, 6 Nov, arriving in Sydney.Inbound indirect flight with Scoot, departs from Sydney on Fri, 26 Feb, arriving in Chiang Rai.Price includes taxes and charges.From $921, select.

Sydney.$1,103 per passenger.Departing Thu, 19 Nov, returning Thu, 26 Nov.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Chiang Rai on Thu, 19 Nov, arriving in Sydney.Inbound indirect flight with Scoot, departs from Sydney on Thu, 26 Nov, arriving in Chiang Rai.Price includes taxes and charges.From $1,103, select.

Sydney.$1,434 per passenger.Departing Thu, 26 Nov, returning Thu, 3 Dec.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Chiang Rai on Thu, 26 Nov, arriving in Sydney.Inbound indirect flight with Scoot, departs from Sydney on Thu, 3 Dec, arriving in Chiang Rai.Price includes taxes and charges.From $1,434, select.

Sydney.$1,459 per passenger.Departing Wed, 12 May, returning Thu, 27 May.Return flight with Thai Airways and Scoot.Outbound indirect flight with Thai Airways, departs from Chiang Rai on Wed, 12 May, arriving in Sydney.Inbound indirect flight with Scoot, departs from Sydney on Thu, 27 May, arriving in Chiang Rai.Price includes taxes and charges.From $1,459, select.

Sydney.$1,574 per passenger.Departing Tue, 4 Aug, returning Tue, 25 Aug.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Chiang Rai on Tue, 4 Aug, arriving in Sydney.Inbound indirect flight with Thai Airways, departs from Sydney on Tue, 25 Aug, arriving in Chiang Rai.Price includes taxes and charges.From $1,574, select.

Sydney.$1,985 per passenger.Departing Tue, 6 Oct, returning Sat, 31 Oct.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Chiang Rai on Tue, 6 Oct, arriving in Sydney.Inbound indirect flight with Thai Airways, departs from Sydney on Sat, 31 Oct, arriving in Chiang Rai.Price includes taxes and charges.From $1,985, select.

Sydney.$1,997 per passenger.Departing Fri, 24 Jul, returning Fri, 31 Jul.Return flight with Scoot and Thai Airways.Outbound indirect flight with Scoot, departs from Chiang Rai on Fri, 24 Jul, arriving in Sydney.Inbound indirect flight with Thai Airways, departs from Sydney on Fri, 31 Jul, arriving in Chiang Rai.Price includes taxes and charges.From $1,997, select.

Find the cheapest month to fly from Chiang Rai to Sydney

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

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Chiang Rai to Sydney: Alternative routes

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

Sydney

9km from central Sydney

ClosestCheapest

from $847

Search flights

Wollongong

86km from central Sydney

Search flights

Chiang Rai to Sydney: Flight information

The things to know before you go.

Cheapest flight found	$847
Cheapest month to fly	September

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

How much are return flights from Chiang Rai to Sydney?

The best price we found for a return flight from Chiang Rai to Sydney is $847. 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.

Which airlines fly direct from Chiang Rai to Sydney?

Currently, there are no airlines that fly direct from Chiang Rai to Sydney. But we found flights with one or more stops from $847.

How many flights are there a week from Chiang Rai to Sydney?

As of July 2026, there are no flights flying from Chiang Rai to Sydney.

When is the cheapest time to fly from Chiang Rai to Sydney?

The cheapest month to fly from Chiang Rai to Sydney is usually September.

Which upcoming date is cheapest to fly from Chiang Rai Airport to Sydney Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Rai Airport to Sydney Airport on Monday, 21 September 2026.

Can I get a direct flight from Chiang Rai Airport to Sydney Airport?

No airlines currently offer direct flights between Chiang Rai Airport and Sydney Airport. Most routes have one or more stops.

How can I find the best flight deal to Sydney?

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 Sydney 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.

When is the best time to book flights to Sydney?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Chiang Rai Airport to Sydney with?

Currently, Scoot offers the cheapest flight tickets to Sydney.

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

The timezone in Sydney is UTC+11, which is four hours ahead of Chiang Rai.
Leave plenty of time to catch your CEI to SYD flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.
Travelling during a peak time like April? Public holidays and other high seasons can result in longer lines at check-in and security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.
If you'd like to check out another city along the way, consider a flight with a stopover. To see your options for tickets from Chiang Rai International Airport to Sydney (Kingsford Smith) Airport, uncheck 'Direct flights only.' Suvarnabhumi Airport is a well-known stop between CEI and SYD.

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

The lowest price we've seen for a one-way Chiang Rai International Airport to Sydney (Kingsford Smith) Airport flight is $411. A round-trip ticket is currently $847. Depending on the availability when you book, these fares could change.
To pick up cheap tickets from CEI to SYD, book early. Airlines generally offer lower fares when flights are first released.
If you're flexible with your travel plans, use the 'Whole month' tool. It'll find the lowest price in every month when searching for a flight from Chiang Rai International Airport to Sydney (Kingsford Smith) Airport.
You don't need to check back in every day to see if fares have gone down when you create a Price Alert. We'll let you know the moment a special offer becomes available on cheap flights from CEI to SYD.
Find the ideal flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Chiang Rai International Airport to Sydney (Kingsford Smith) Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Chiang Rai International Airport (CEI)

73.36% of flights taking off from Chiang Rai International Airport arrive at their destination on time.
Central Chiang Rai to Chiang Rai International Airport is around 8 kilometres. Depending on traffic, it'll take you about 15 minutes to get there if you're ride-sharing, catching a cab or driving.
Looking for a convenient hotel close to CEI? If you've booked an early flight from Chiang Rai International Airport to Sydney (Kingsford Smith) Airport, these stays will have you moments from your check-in counter:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

Consider staying in a hotel near SYD if you're catching a late Chiang Rai International Airport to Sydney (Kingsford Smith) Airport flight. Select one of these options and skip the long transfer:
Fast-track your adventure by picking up a Sydney (Kingsford Smith) Airport rental car. Grab a set of wheels from simba car hire, Bargain Car Rentals or Yes Drive to explore Sydney and beyond.
Booking your vehicle from Sydney (Kingsford Smith) Airport about two weeks ahead can help you secure the lowest rate.

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

Sydney (Kingsford Smith) Airport is approximately 18 kilometres from central Sydney. Driving there takes about 20 minutes.
Getting to the centre by public transport takes around 25 minutes.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

It's time to plan your trip dates for your flight from Chiang Rai International Airport to Sydney (Kingsford Smith) Airport. April is the busiest month to visit Sydney. If you'd like a more relaxed vibe, go in April.
The warmest month in Sydney is January, with the temperature ranging between 17ºC and 32ºC. Book your flights from Chiang Rai International Airport to Sydney (Kingsford Smith) Airport in this month if you like this kind of weather.
Search for cheap tickets from CEI to SYD in July if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 5ºC and 19ºC on average.

Explore more of Australia

Canberra is just one of the many cities in Australia waiting to be discovered after you've seen Sydney. Around 241 kilometres away to the south-west, well-known attractions include Australian War Memorial, National Gallery of Australia and Parliament House.
If you're ready to explore another corner of Australia, consider Newcastle, roughly 121 kilometres north-east of Sydney. Newcastle Beach, Nobbys Beach and Merewether Beach are among the biggest draws.