What is the cheapest airline that flies from Chiang Mai to Sydney Kingsford Smith?

VietJet Air is the most popular carrier operating from Chiang Mai to Sydney Kingsford Smith

When did momondo last update prices for flights from Chiang Mai Airport to Sydney Kingsford Smith Airport?

Prices for flights from Chiang Mai Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How old do you have to be to fly from Chiang Mai Airport to Sydney Kingsford Smith Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chiang Mai Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$317 Cheap Flights from Chiang Mai to Sydney in 2026/27

Find the cheapest flights from Chiang Mai to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:40 - 12:10CNX Chiang Mai-SYD Sydney Kingsford Smith

15h 30m1 stop Singapore Changi

13:25 - 11:05SYD Sydney Kingsford Smith-CNX Chiang Mai

25h 40m1 stop Singapore Changi

$755Scoot

Thu, 4 Mar - Mon, 8 Mar

12:05 - 18:50CNX Chiang Mai-SYD Sydney Kingsford Smith

26h 45m1 stop Singapore Changi

13:25 - 11:05SYD Sydney Kingsford Smith-CNX Chiang Mai

25h 40m1 stop Singapore Changi

$757Scoot

Wed, 3 Mar - Mon, 8 Mar

12:05 - 12:10CNX Chiang Mai-SYD Sydney Kingsford Smith

20h 05m1 stop Singapore Changi

13:25 - 11:05SYD Sydney Kingsford Smith-CNX Chiang Mai

25h 40m1 stop Singapore Changi

$792Scoot

Mon, 1 Mar - Mon, 8 Mar

16:40 - 12:10CNX Chiang Mai-SYD Sydney Kingsford Smith

15h 30m1 stop Singapore Changi

20:05 - 11:05SYD Sydney Kingsford Smith-CNX Chiang Mai

19h 00m1 stop Singapore Changi

$792Scoot

Thu, 4 Mar - Wed, 10 Mar

16:40 - 12:10CNX Chiang Mai-SYD Sydney Kingsford Smith

15h 30m1 stop Singapore Changi

20:05 - 15:40SYD Sydney Kingsford Smith-CNX Chiang Mai

23h 35m1 stop Singapore Changi

$795Scoot

Thu, 4 Mar - Tue, 9 Mar

16:30 - 10:00CNX Chiang Mai-SYD Sydney Kingsford Smith

13h 30m1 stop Ho Chi Minh City

13:25 - 11:05SYD Sydney Kingsford Smith-CNX Chiang Mai

25h 40m1 stop Singapore Changi

$798Multiple Airlines

Sun, 28 Feb - Mon, 8 Mar

12:05 - 18:50CNX Chiang Mai-SYD Sydney Kingsford Smith

26h 45m1 stop Singapore Changi

20:05 - 11:05SYD Sydney Kingsford Smith-CNX Chiang Mai

19h 00m1 stop Singapore Changi

$800Scoot

Wed, 3 Mar - Wed, 10 Mar

16:40 - 12:10CNX Chiang Mai-SYD Sydney Kingsford Smith

15h 30m1 stop Singapore Changi

13:25 - 11:05SYD Sydney Kingsford Smith-CNX Chiang Mai

25h 40m1 stop Singapore Changi

$804Scoot

Tue, 2 Mar - Mon, 8 Mar

12:05 - 18:50CNX Chiang Mai-SYD Sydney Kingsford Smith

26h 45m1 stop Singapore Changi

20:05 - 11:05SYD Sydney Kingsford Smith-CNX Chiang Mai

19h 00m1 stop Singapore Changi

$824Scoot

Wed, 3 Mar - Tue, 9 Mar

16:30 - 10:00CNX Chiang Mai-SYD Sydney Kingsford Smith

13h 30m1 stop Ho Chi Minh City

20:05 - 11:05SYD Sydney Kingsford Smith-CNX Chiang Mai

19h 00m1 stop Singapore Changi

$831Multiple Airlines

Sun, 28 Feb - Wed, 10 Mar

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Scoot flights from Chiang Mai to Sydney

Our best Scoot deals on Chiang Mai to Sydney flight tickets

Scoot

4 Mar

CNX16:40Chiang Mai

15h 30m

1 stop

SYD12:10Sydney Kingsford Smith

8 Mar

SYD13:25Sydney Kingsford Smith

25h 40m

1 stop

CNX11:05Chiang Mai

$755

Scoot

3 Mar

CNX12:05Chiang Mai

26h 45m

1 stop

SYD18:50Sydney Kingsford Smith

8 Mar

SYD13:25Sydney Kingsford Smith

25h 40m

1 stop

CNX11:05Chiang Mai

$757

Scoot

1 Mar

CNX12:05Chiang Mai

20h 05m

1 stop

SYD12:10Sydney Kingsford Smith

8 Mar

SYD13:25Sydney Kingsford Smith

25h 40m

1 stop

CNX11:05Chiang Mai

$792

China Southern flights from Chiang Mai to Sydney

Our best China Southern deals on Chiang Mai to Sydney flight tickets

China Southern

1 Mar

CNX18:50Chiang Mai

14h 30m

1 stop

SYD13:20Sydney Kingsford Smith

7 Mar

SYD22:05Sydney Kingsford Smith

23h 45m

1 stop

CNX17:50Chiang Mai

$999

China Southern

1 Mar

CNX18:50Chiang Mai

14h 30m

1 stop

SYD13:20Sydney Kingsford Smith

6 Mar

SYD11:25Sydney Kingsford Smith

34h 25m

1 stop

CNX17:50Chiang Mai

$1,032

China Southern

28 Feb

CNX18:50Chiang Mai

14h 30m

1 stop

SYD13:20Sydney Kingsford Smith

7 Mar

SYD22:05Sydney Kingsford Smith

23h 45m

1 stop

CNX17:50Chiang Mai

$1,241

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 4/3

16:40-12:10

1 stop15h 30m

Sydney Kingsford Smith

Mon 8/3

13:25-11:05

1 stop25h 40m

$755

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Wed 3/3

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Mon 8/3

13:25-11:05

1 stop25h 40m

$757

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Mon 1/3

12:05-12:10

1 stop20h 05m

Sydney Kingsford Smith

Mon 8/3

13:25-11:05

1 stop25h 40m

$792

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 4/3

16:40-12:10

1 stop15h 30m

Sydney Kingsford Smith

Wed 10/3

20:05-11:05

1 stop19h 00m

$792

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 4/3

16:40-12:10

1 stop15h 30m

Sydney Kingsford Smith

Tue 9/3

20:05-15:40

1 stop23h 35m

$795

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Sun 28/2

16:30-10:00

1 stop13h 30m

Sydney Kingsford Smith

Mon 8/3

13:25-11:05

1 stop25h 40m

$798

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Wed 3/3

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Wed 10/3

20:05-11:05

1 stop19h 00m

$800

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 2/3

16:40-12:10

1 stop15h 30m

Sydney Kingsford Smith

Mon 8/3

13:25-11:05

1 stop25h 40m

$804

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Wed 3/3

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Tue 9/3

20:05-11:05

1 stop19h 00m

$824

Fastest return journey

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Sun 28/2

16:30-10:00

1 stop13h 30m

Sydney Kingsford Smith

Wed 10/3

20:05-11:05

1 stop19h 00m

$831

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chiang Mai to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

How have Chiang Mai to Sydney flight prices changed over time?

As of November 2026, prices for Chiang Mai to Sydney flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Chiang Mai to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Chiang Mai to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Chiang Mai to Sydney (CNX to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chiang Mai to Sydney

Best price found	$317
Fastest flight time	22h 45m
Direct flights	None

The best one-way flight to Sydney from Chiang Mai in the past 72 hours is $317. The best return flight deal from Chiang Mai to Sydney found on momondo in the last 72 hours is $755.

The fastest flight from Chiang Mai to Sydney takes 22h 45m

There are no direct flights from Chiang Mai to Sydney. There are no popular flight routes from Chiang Mai to Sydney.

Search flight deals

Frequently asked questions about flying from Chiang Mai to Sydney

How far is Chiang Mai to Sydney Kingsford Smith by plane?
The distance between Chiang Mai and Sydney Kingsford Smith is about 8047.4 km. A reasonable flight in good conditions will take 22h 45m.
When did momondo last update prices for flights from Chiang Mai Airport to Sydney Kingsford Smith Airport?
Prices for flights from Chiang Mai Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How old do you have to be to fly from Chiang Mai Airport to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chiang Mai Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Why use momondo?

Why should I use momondo to find a flight deal from Chiang Mai to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chiang Mai to Sydney . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chiang Mai to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Chiang Mai on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chiang Mai to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Chiang Mai. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chiang Mai to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Chiang Mai and alert you when they change.