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

VietJet Air and Scoot 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.

$309 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.

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

13h 30m1 stop Ho Chi Minh City

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

23h 35m1 stop Singapore Changi

$661Multiple Airlines

Wed, 23 Dec - Wed, 20 Jan

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

26h 45m1 stop Singapore Changi

12:05 - 15:30SYD Sydney Kingsford Smith-CNX Chiang Mai

31h 25m1 stop Ho Chi Minh City

$773Multiple Airlines

Thu, 29 Oct - Thu, 12 Nov

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

22h 10m1 stop Singapore Changi

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

19h 00m1 stop Singapore Changi

$805Scoot

Mon, 30 Nov - Wed, 10 Mar

16:30 - 12:10CNX Chiang Mai-SYD Sydney Kingsford Smith

39h 40m2 stops Ho Chi Minh City Singapore Changi

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

19h 00m1 stop Singapore Changi

$809Multiple Airlines

Mon, 30 Nov - Wed, 10 Mar

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

20h 05m1 stop Singapore Changi

21:35 - 16:35SYD Sydney Kingsford Smith-CNX Chiang Mai

23h 00m1 stop Singapore Changi

$832Scoot

Mon, 1 Mar - Mon, 29 Mar

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

20h 05m1 stop Singapore Changi

11:15 - 22:00SYD Sydney Kingsford Smith-CNX Chiang Mai

38h 45m2 stops Ho Chi Minh City Bangkok Suvarnabhumi

$863Multiple Airlines

Mon, 1 Mar - Mon, 29 Mar

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

15h 30m1 stop Singapore Changi

21:35 - 16:35SYD Sydney Kingsford Smith-CNX Chiang Mai

23h 00m1 stop Singapore Changi

$903Scoot

Tue, 2 Mar - Mon, 29 Mar

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

13h 30m1 stop Ho Chi Minh City

21:35 - 16:35SYD Sydney Kingsford Smith-CNX Chiang Mai

23h 00m1 stop Singapore Changi

$927Multiple Airlines

Sun, 28 Feb - Mon, 29 Mar

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

13h 30m1 stop Ho Chi Minh City

11:15 - 22:00SYD Sydney Kingsford Smith-CNX Chiang Mai

38h 45m2 stops Ho Chi Minh City Bangkok Suvarnabhumi

$936Multiple Airlines

Sun, 28 Feb - Mon, 29 Mar

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

15h 30m1 stop Singapore Changi

11:15 - 22:00SYD Sydney Kingsford Smith-CNX Chiang Mai

38h 45m2 stops Ho Chi Minh City Bangkok Suvarnabhumi

$950Multiple Airlines

Tue, 2 Mar - Mon, 29 Mar

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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

29 Oct

CNX16:25Chiang Mai

36h 50m

2 stops

SYD09:15Sydney Kingsford Smith

12 Nov

SYD10:50Sydney Kingsford Smith

25h 45m

2 stops

CNX08:35Chiang Mai

$1,002

China Eastern

2 Nov

CNX13:00Chiang Mai

20h 35m

2 stops

SYD13:35Sydney Kingsford Smith

4 Nov

SYD11:10Sydney Kingsford Smith

28h 50m

3 stops

CNX12:00Chiang Mai

$1,044

China Eastern

30 Nov

CNX16:25Chiang Mai

37h 35m

2 stops

SYD10:00Sydney Kingsford Smith

10 Mar

SYD11:10Sydney Kingsford Smith

28h 50m

3 stops

CNX12:00Chiang Mai

$1,058

Scoot flights from Chiang Mai to Sydney

Our best Scoot deals on Chiang Mai to Sydney flight tickets

Scoot

30 Nov

CNX16:40Chiang Mai

22h 10m

1 stop

SYD18:50Sydney Kingsford Smith

10 Mar

SYD20:05Sydney Kingsford Smith

19h 00m

1 stop

CNX11:05Chiang Mai

$805

Scoot

1 Mar

CNX12:05Chiang Mai

20h 05m

1 stop

SYD12:10Sydney Kingsford Smith

29 Mar

SYD21:35Sydney Kingsford Smith

23h 00m

1 stop

CNX16:35Chiang Mai

$832

Scoot

2 Mar

CNX16:40Chiang Mai

15h 30m

1 stop

SYD12:10Sydney Kingsford Smith

29 Mar

SYD21:35Sydney Kingsford Smith

23h 00m

1 stop

CNX16:35Chiang Mai

$903

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Wed 23/12

16:30-10:00

1 stop13h 30m

Sydney Kingsford Smith

Wed 20/1

20:05-15:40

1 stop23h 35m

$661

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 29/10

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Thu 12/11

12:05-15:30

1 stop31h 25m

$773

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Mon 30/11

16:40-18:50

1 stop22h 10m

Sydney Kingsford Smith

Wed 10/3

20:05-11:05

1 stop19h 00m

$805

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Mon 30/11

16:30-12:10

2 stops39h 40m

Sydney Kingsford Smith

Wed 10/3

20:05-11:05

1 stop19h 00m

$809

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 29/3

21:35-16:35

1 stop23h 00m

$832

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 29/3

11:15-22:00

2 stops38h 45m

$863

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 29/3

21:35-16:35

1 stop23h 00m

$903

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

Mon 29/3

21:35-16:35

1 stop23h 00m

$927

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 29/3

11:15-22:00

2 stops38h 45m

$936

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 29/3

11:15-22:00

2 stops38h 45m

$950

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	$309
Fastest flight time	13h 30m
Direct flights	Sat
Airports in Sydney	1 airport

The best one-way flight to Sydney from Chiang Mai in the past 72 hours is $309. The best return flight deal from Chiang Mai to Sydney found on momondo in the last 72 hours is $661.

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

Direct flights go from Chiang Mai to Sydney on Saturday. There are no airlines offering direct flights..

There is 1 airport in Sydney. From Chiang Mai there are direct flights to Sydney Kingsford Smith (SYD).

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.