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.

$370 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 - 19:20CNX Chiang Mai-SYD Sydney Kingsford Smith

22h 45m1 stop Singapore Changi

09:45 - 10:25SYD Sydney Kingsford Smith-CNX Chiang Mai

27h 40m2 stops Kuala Lumpur Intl Phuket City

$811Multiple Airlines

Thu, 27 Aug - Sun, 30 Aug

18:15 - 18:50CNX Chiang Mai-SYD Sydney Kingsford Smith

20h 35m2 stops Bangkok Suvarnabhumi Singapore Changi

21:50 - 08:40SYD Sydney Kingsford Smith-CNX Chiang Mai

14h 50m1 stop Kuala Lumpur Intl

$854Multiple Airlines

Tue, 29 Dec - Mon, 18 Jan

17:35 - 11:45CNX Chiang Mai-SYD Sydney Kingsford Smith

15h 10m1 stop Singapore Changi

10:15 - 13:50SYD Sydney Kingsford Smith-CNX Chiang Mai

30h 35m2 stops Ho Chi Minh City Bangkok Suvarnabhumi

$861Multiple Airlines

Thu, 10 Sep - Thu, 17 Sep

18:15 - 18:50CNX Chiang Mai-SYD Sydney Kingsford Smith

20h 35m2 stops Bangkok Suvarnabhumi Singapore Changi

21:50 - 08:40SYD Sydney Kingsford Smith-CNX Chiang Mai

14h 50m1 stop Kuala Lumpur Intl

$862Multiple Airlines

Tue, 29 Dec - Mon, 18 Jan

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

22h 10m1 stop Singapore Changi

21:50 - 08:40SYD Sydney Kingsford Smith-CNX Chiang Mai

14h 50m1 stop Kuala Lumpur Intl

$869Multiple Airlines

Tue, 29 Dec - Mon, 18 Jan

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

22h 10m1 stop Singapore Changi

21:50 - 08:40SYD Sydney Kingsford Smith-CNX Chiang Mai

14h 50m1 stop Kuala Lumpur Intl

$872Multiple Airlines

Tue, 29 Dec - Mon, 18 Jan

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

22h 45m1 stop Singapore Changi

20:35 - 16:35SYD Sydney Kingsford Smith-CNX Chiang Mai

23h 00m1 stop Singapore Changi

$875Scoot

Thu, 27 Aug - Sun, 30 Aug

16:55 - 19:20CNX Chiang Mai-SYD Sydney Kingsford Smith

23h 25m2 stops Bangkok Suvarnabhumi Singapore Changi

20:35 - 19:00SYD Sydney Kingsford Smith-CNX Chiang Mai

25h 25m2 stops Singapore Changi Bangkok Suvarnabhumi

$920Multiple Airlines

Thu, 27 Aug - Sun, 30 Aug

07:05 - 18:50CNX Chiang Mai-SYD Sydney Kingsford Smith

31h 45m2 stops Bangkok Suvarnabhumi Singapore Changi

20:05 - 11:50SYD Sydney Kingsford Smith-CNX Chiang Mai

19h 45m2 stops Singapore Changi Bangkok Suvarnabhumi

$956Multiple Airlines

Tue, 29 Dec - Mon, 18 Jan

14:30 - 19:20CNX Chiang Mai-SYD Sydney Kingsford Smith

25h 50m2 stops Bangkok Suvarnabhumi Singapore Changi

20:35 - 14:35SYD Sydney Kingsford Smith-CNX Chiang Mai

21h 00m3 stops Singapore Changi Phuket City Bangkok Don Mueang Intl

$966Multiple Airlines

Thu, 27 Aug - Sun, 30 Aug

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Scoot flights from Chiang Mai to Sydney

Our best Scoot deals on Chiang Mai to Sydney flight tickets

Scoot

16 Aug

CNX21:30Chiang Mai

18h 50m

1 stop

SYD19:20Sydney Kingsford Smith

19 Aug

SYD13:00Sydney Kingsford Smith

30h 35m

1 stop

CNX16:35Chiang Mai

$831

Scoot

27 Aug

CNX17:35Chiang Mai

22h 45m

1 stop

SYD19:20Sydney Kingsford Smith

30 Aug

SYD20:35Sydney Kingsford Smith

23h 00m

1 stop

CNX16:35Chiang Mai

$875

Scoot

23 Sept

CNX11:30Chiang Mai

21h 15m

1 stop

SYD11:45Sydney Kingsford Smith

30 Sept

SYD20:35Sydney Kingsford Smith

23h 00m

1 stop

CNX16:35Chiang Mai

$1,058

China Eastern flights from Chiang Mai to Sydney

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

China Eastern

27 Aug

CNX09:10Chiang Mai

24h 25m

3 stops

SYD12:35Sydney Kingsford Smith

30 Aug

SYD10:05Sydney Kingsford Smith

50h 10m

3 stops

CNX09:15Chiang Mai

$1,015

China Eastern

29 Dec

CNX16:25Chiang Mai

41h 10m

3 stops

SYD13:35Sydney Kingsford Smith

18 Jan

SYD12:00Sydney Kingsford Smith

31h 25m

2 stops

CNX15:25Chiang Mai

$1,146

China Eastern

29 Dec

CNX16:25Chiang Mai

41h 10m

3 stops

SYD13:35Sydney Kingsford Smith

18 Jan

SYD12:00Sydney Kingsford Smith

31h 25m

2 stops

CNX15:25Chiang Mai

$1,168

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 27/8

17:35-19:20

1 stop22h 45m

Sydney Kingsford Smith

Sun 30/8

09:45-10:25

2 stops27h 40m

$811

Fastest return journey

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 29/12

18:15-18:50

2 stops20h 35m

Sydney Kingsford Smith

Mon 18/1

21:50-08:40

1 stop14h 50m

$854

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 10/9

17:35-11:45

1 stop15h 10m

Sydney Kingsford Smith

Thu 17/9

10:15-13:50

2 stops30h 35m

$861

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 29/12

18:15-18:50

2 stops20h 35m

Sydney Kingsford Smith

Mon 18/1

21:50-08:40

1 stop14h 50m

$862

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 29/12

16:40-18:50

1 stop22h 10m

Sydney Kingsford Smith

Mon 18/1

21:50-08:40

1 stop14h 50m

$869

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 29/12

16:40-18:50

1 stop22h 10m

Sydney Kingsford Smith

Mon 18/1

21:50-08:40

1 stop14h 50m

$872

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 27/8

17:35-19:20

1 stop22h 45m

Sydney Kingsford Smith

Sun 30/8

20:35-16:35

1 stop23h 00m

$875

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 27/8

16:55-19:20

2 stops23h 25m

Sydney Kingsford Smith

Sun 30/8

20:35-19:00

2 stops25h 25m

$920

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Tue 29/12

07:05-18:50

2 stops31h 45m

Sydney Kingsford Smith

Mon 18/1

20:05-11:50

2 stops19h 45m

$956

Chiang MaiSydney

CNX Chiang Mai - SYD Sydney Kingsford Smith

CNXSYD

Chiang Mai

Thu 27/8

14:30-19:20

2 stops25h 50m

Sydney Kingsford Smith

Sun 30/8

20:35-14:35

3 stops21h 00m

$966

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

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

As of August 2026, prices for Chiang Mai to Sydney flights are approximately 7% 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

Fastest flight time	20h 35m
Direct flights	None

The fastest flight from Chiang Mai to Sydney takes 20h 35m

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 20h 35m.
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.