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.

$305 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.

18:50 - 06:35CNX Chiang Mai-SYD Sydney Kingsford Smith

31h 45m1 stop Guangzhou Baiyun

15:10 - 17:50SYD Sydney Kingsford Smith-CNX Chiang Mai

30h 40m1 stop Guangzhou Baiyun

$1,153China Southern

Wed, 2 Dec - Wed, 9 Dec

08:00 - 10:00CNX Chiang Mai-SYD Sydney Kingsford Smith

46h 00m2 stops Bangkok Don Mueang Intl Ho Chi Minh City

09:50 - 08:40SYD Sydney Kingsford Smith-CNX Chiang Mai

26h 50m1 stop Kuala Lumpur Intl

$1,157Multiple Airlines

Sat, 12 Dec - Thu, 31 Dec

14:05 - 11:55CNX Chiang Mai-SYD Sydney Kingsford Smith

17h 50m1 stop Bangkok Suvarnabhumi

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

19h 00m1 stop Singapore Changi

$1,216Multiple Airlines

Sun, 24 Jan - Mon, 1 Feb

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

13h 30m1 stop Ho Chi Minh City

07:55 - 21:35SYD Sydney Kingsford Smith-CNX Chiang Mai

17h 40m2 stops Denpasar Bali Ngurah Rai Bangkok Don Mueang Intl

$1,233Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

19:35 - 11:55CNX Chiang Mai-SYD Sydney Kingsford Smith

12h 20m1 stop Bangkok Suvarnabhumi

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

19h 00m1 stop Singapore Changi

$1,238Multiple Airlines

Tue, 26 Jan - Mon, 1 Feb

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

20h 05m1 stop Singapore Changi

21:30 - 08:35SYD Sydney Kingsford Smith-CNX Chiang Mai

39h 05m3 stops Shanghai Pu Dong Ji'an Ji An/Jing Gang Shan Kunming Changshui

$1,256Multiple Airlines

Sat, 12 Dec - Thu, 31 Dec

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

20h 05m1 stop Singapore Changi

09:50 - 08:40SYD Sydney Kingsford Smith-CNX Chiang Mai

26h 50m1 stop Kuala Lumpur Intl

$1,258Multiple Airlines

Sat, 12 Dec - Thu, 31 Dec

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

$1,261Scoot

Tue, 26 Jan - Mon, 1 Feb

16:40 - 18:50CNX Chiang Mai-SYD Sydney Kingsford Smith

22h 10m1 stop Singapore Changi

11:10 - 15:25SYD Sydney Kingsford Smith-CNX Chiang Mai

32h 15m3 stops Nanjing Lukou Intl Xi'an Xianyang Kunming Changshui

$1,263Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

15:25 - 11:55CNX Chiang Mai-SYD Sydney Kingsford Smith

16h 30m1 stop Bangkok Suvarnabhumi

10:00 - 20:25SYD Sydney Kingsford Smith-CNX Chiang Mai

14h 25m1 stop Bangkok Suvarnabhumi

$1,291Thai Airways

Mon, 25 Jan - Sun, 31 Jan

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China Eastern flights from Chiang Mai to Sydney

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

China Eastern

12 Dec

CNX16:25Chiang Mai

36h 50m

3 stops

SYD09:15Sydney Kingsford Smith

31 Dec

SYD12:00Sydney Kingsford Smith

24h 35m

2 stops

CNX08:35Chiang Mai

$1,297

China Eastern

5 Dec

CNX13:00Chiang Mai

20h 35m

2 stops

SYD13:35Sydney Kingsford Smith

12 Dec

SYD11:15Sydney Kingsford Smith

32h 10m

3 stops

CNX15:25Chiang Mai

$1,412

China Eastern

6 Dec

CNX09:35Chiang Mai

24h 00m

2 stops

SYD13:35Sydney Kingsford Smith

13 Dec

SYD11:05Sydney Kingsford Smith

28h 55m

3 stops

CNX12:00Chiang Mai

$1,419

Scoot flights from Chiang Mai to Sydney

Our best Scoot deals on Chiang Mai to Sydney flight tickets

Scoot

26 Jan

CNX12:05Chiang Mai

26h 45m

1 stop

SYD18:50Sydney Kingsford Smith

1 Feb

SYD20:05Sydney Kingsford Smith

19h 00m

1 stop

CNX11:05Chiang Mai

$1,261

Scoot

25 Jan

CNX12:05Chiang Mai

20h 05m

1 stop

SYD12:10Sydney Kingsford Smith

31 Jan

SYD20:05Sydney Kingsford Smith

23h 35m

1 stop

CNX15:40Chiang Mai

$1,461

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Wed 2/12

18:50-06:35

1 stop31h 45m

Sydney Kingsford Smith

Wed 9/12

15:10-17:50

1 stop30h 40m

$1,153

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Sat 12/12

08:00-10:00

2 stops46h 00m

Sydney Kingsford Smith

Thu 31/12

09:50-08:40

1 stop26h 50m

$1,157

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Sun 24/1

14:05-11:55

1 stop17h 50m

Sydney Kingsford Smith

Mon 1/2

20:05-11:05

1 stop19h 00m

$1,216

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Wed 2/12

16:30-10:00

1 stop13h 30m

Sydney Kingsford Smith

Wed 9/12

07:55-21:35

2 stops17h 40m

$1,233

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 26/1

19:35-11:55

1 stop12h 20m

Sydney Kingsford Smith

Mon 1/2

20:05-11:05

1 stop19h 00m

$1,238

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Sat 12/12

12:05-12:10

1 stop20h 05m

Sydney Kingsford Smith

Thu 31/12

21:30-08:35

3 stops39h 05m

$1,256

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Sat 12/12

12:05-12:10

1 stop20h 05m

Sydney Kingsford Smith

Thu 31/12

09:50-08:40

1 stop26h 50m

$1,258

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 26/1

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Mon 1/2

20:05-11:05

1 stop19h 00m

$1,261

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Wed 2/12

16:40-18:50

1 stop22h 10m

Sydney Kingsford Smith

Wed 9/12

11:10-15:25

3 stops32h 15m

$1,263

Fastest return journey

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Mon 25/1

15:25-11:55

1 stop16h 30m

Sydney Kingsford Smith

Sun 31/1

10:00-20:25

1 stop14h 25m

$1,291

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 October 2026, prices for Chiang Mai to Sydney flights are approximately 27% 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	$305
Fastest flight time	13h 30m
Direct flights	None

The best one-way flight to Sydney from Chiang Mai in the past 72 hours is $305. The best return flight deal from Chiang Mai to Sydney found on momondo in the last 72 hours is $1,153.

The fastest flight from Chiang Mai to Sydney takes 13h 30m

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 13h 30m.
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.