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

Scoot and VietJet Air are the most popular carriers 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.

$365 Cheap Flights from Chiang Mai to Sydney in 2026

Find the cheapest flights from Chiang Mai to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:35 - 20:20CNX Chiang Mai-SYD Sydney Kingsford Smith

22h 45m1 stop Singapore Changi

13:25 - 15:40SYD Sydney Kingsford Smith-CNX Chiang Mai

30h 15m1 stop Singapore Changi

$802Scoot

Tue, 20 Oct - Tue, 27 Oct

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

26h 45m1 stop Singapore Changi

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

23h 35m1 stop Singapore Changi

$810Scoot

Tue, 27 Oct - Tue, 3 Nov

08:00 - 08:20CNX Chiang Mai-SYD Sydney Kingsford Smith

20h 20m2 stops Bangkok Suvarnabhumi Ho Chi Minh City

21:50 - 11:25SYD Sydney Kingsford Smith-CNX Chiang Mai

17h 35m2 stops Kuala Lumpur Intl Bangkok Don Mueang Intl

$862Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

06:35 - 08:20CNX Chiang Mai-SYD Sydney Kingsford Smith

21h 45m2 stops Bangkok Suvarnabhumi Ho Chi Minh City

14:05 - 10:25SYD Sydney Kingsford Smith-CNX Chiang Mai

24h 20m1 stop Phuket City

$895Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

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

26h 45m1 stop Singapore Changi

15:15 - 10:10SYD Sydney Kingsford Smith-CNX Chiang Mai

22h 55m2 stops Guangzhou Baiyun Bangkok Suvarnabhumi

$898Multiple Airlines

Tue, 27 Oct - Tue, 3 Nov

20:35 - 07:20CNX Chiang Mai-SYD Sydney Kingsford Smith

31h 45m2 stops Bangkok Suvarnabhumi Ho Chi Minh City

21:35 - 10:25SYD Sydney Kingsford Smith-CNX Chiang Mai

16h 50m1 stop Singapore Changi

$914Multiple Airlines

Tue, 22 Sep - Tue, 13 Oct

22:30 - 08:20CNX Chiang Mai-SYD Sydney Kingsford Smith

29h 50m2 stops Bangkok Suvarnabhumi Ho Chi Minh City

16:25 - 15:30SYD Sydney Kingsford Smith-CNX Chiang Mai

27h 05m1 stop Ho Chi Minh City

$925Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

07:05 - 10:00CNX Chiang Mai-SYD Sydney Kingsford Smith

22h 55m2 stops Bangkok Suvarnabhumi Ho Chi Minh City

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

23h 35m1 stop Singapore Changi

$937Multiple Airlines

Sun, 25 Oct - Sun, 1 Nov

17:35 - 19:20CNX Chiang Mai-SYD Sydney Kingsford Smith

22h 45m1 stop Singapore Changi

21:35 - 10:25SYD Sydney Kingsford Smith-CNX Chiang Mai

16h 50m1 stop Singapore Changi

$947Scoot

Tue, 22 Sep - Tue, 13 Oct

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

$951Scoot

Sun, 25 Oct - Sun, 1 Nov

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Malaysia Airlines flights from Chiang Mai to Sydney

Our best Malaysia Airlines deals on Chiang Mai to Sydney flight tickets

Malaysia Airlines

4 Nov

CNX12:25Chiang Mai

17h 55m

1 stop

SYD10:20Sydney Kingsford Smith

8 Nov

SYD22:15Sydney Kingsford Smith

17h 10m

1 stop

CNX11:25Chiang Mai

$1,209

Malaysia Airlines

4 Nov

CNX12:25Chiang Mai

17h 55m

1 stop

SYD10:20Sydney Kingsford Smith

8 Nov

SYD22:15Sydney Kingsford Smith

17h 10m

1 stop

CNX11:25Chiang Mai

$1,212

Malaysia Airlines

4 Nov

CNX12:25Chiang Mai

17h 55m

1 stop

SYD10:20Sydney Kingsford Smith

8 Nov

SYD22:15Sydney Kingsford Smith

17h 10m

1 stop

CNX11:25Chiang Mai

$1,216

Scoot flights from Chiang Mai to Sydney

Our best Scoot deals on Chiang Mai to Sydney flight tickets

Scoot

20 Oct

CNX17:35Chiang Mai

22h 45m

1 stop

SYD20:20Sydney Kingsford Smith

27 Oct

SYD13:25Sydney Kingsford Smith

30h 15m

1 stop

CNX15:40Chiang Mai

$802

Scoot

22 Sept

CNX17:35Chiang Mai

22h 45m

1 stop

SYD19:20Sydney Kingsford Smith

13 Oct

SYD21:35Sydney Kingsford Smith

16h 50m

1 stop

CNX10:25Chiang Mai

$947

Scoot

25 Oct

CNX16:40Chiang Mai

15h 30m

1 stop

SYD12:10Sydney Kingsford Smith

1 Nov

SYD20:05Sydney Kingsford Smith

23h 35m

1 stop

CNX15:40Chiang Mai

$951

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 20/10

17:35-20:20

1 stop22h 45m

Sydney Kingsford Smith

Tue 27/10

13:25-15:40

1 stop30h 15m

$802

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 27/10

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Tue 3/11

20:05-15:40

1 stop23h 35m

$810

Fastest return journey

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 15/10

08:00-08:20

2 stops20h 20m

Sydney Kingsford Smith

Wed 21/10

21:50-11:25

2 stops17h 35m

$862

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 15/10

06:35-08:20

2 stops21h 45m

Sydney Kingsford Smith

Wed 21/10

14:05-10:25

1 stop24h 20m

$895

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 27/10

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Tue 3/11

15:15-10:10

2 stops22h 55m

$898

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 22/9

20:35-07:20

2 stops31h 45m

Sydney Kingsford Smith

Tue 13/10

21:35-10:25

1 stop16h 50m

$914

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 20/10

22:30-08:20

2 stops29h 50m

Sydney Kingsford Smith

Tue 27/10

16:25-15:30

1 stop27h 05m

$925

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Sun 25/10

07:05-10:00

2 stops22h 55m

Sydney Kingsford Smith

Sun 1/11

20:05-15:40

1 stop23h 35m

$937

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 22/9

17:35-19:20

1 stop22h 45m

Sydney Kingsford Smith

Tue 13/10

21:35-10:25

1 stop16h 50m

$947

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Sun 25/10

16:40-12:10

1 stop15h 30m

Sydney Kingsford Smith

Sun 1/11

20:05-15:40

1 stop23h 35m

$951

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 September 2026, prices for Chiang Mai to Sydney flights are approximately 15% 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	$365
Fastest flight time	17h 55m
Direct flights	None

The best one-way flight to Sydney from Chiang Mai in the past 72 hours is $365. The best return flight deal from Chiang Mai to Sydney found on momondo in the last 72 hours is $802.

The fastest flight from Chiang Mai to Sydney takes 17h 55m

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 17h 55m.
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.