Cheap flights from Chiang Mai to Sydney from $342

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to Sydney departing on 19/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Chiang Mai to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:55 - 10:45CNX-SYD
35h 50m2 stops
Multiple Airlines Logo
21:50 - 08:40SYD-CNX
14h 50m1 stop
$769Multiple Airlines
Find Deal
Sun, 1 Mar - Sun, 15 Mar
Multiple Airlines Logo
12:05 - 18:50CNX-SYD
26h 45m1 stop
Multiple Airlines Logo
21:50 - 08:40SYD-CNX
14h 50m1 stop
$775Multiple Airlines
Find Deal
Sun, 1 Mar - Mon, 16 Mar
Multiple Airlines Logo
12:05 - 18:50CNX-SYD
26h 45m1 stop
Multiple Airlines Logo
10:45 - 08:40SYD-CNX
25h 55m1 stop
$778Multiple Airlines
Find Deal
Sun, 1 Mar - Fri, 13 Mar
Multiple Airlines Logo
22:25 - 06:35CNX-SYD
28h 10m2 stops
Multiple Airlines Logo
21:50 - 08:40SYD-CNX
14h 50m1 stop
$807Multiple Airlines
Find Deal
Sun, 1 Mar - Wed, 11 Mar
Scoot Logo
12:05 - 18:50CNX-SYD
26h 45m1 stop
Scoot Logo
14:20 - 11:05SYD-CNX
24h 45m1 stop
$875Scoot
Find Deal
Sun, 1 Mar - Sat, 14 Mar
Scoot Logo
12:05 - 18:50CNX-SYD
26h 45m1 stop
Scoot Logo
20:05 - 11:05SYD-CNX
19h 00m1 stop
$907Scoot
Find Deal
Sun, 1 Mar - Tue, 17 Mar
China Eastern Logo
10:05 - 13:35CNX-SYD
23h 30m2 stops
China Eastern Logo
13:30 - 15:25SYD-CNX
29h 55m3 stops
$1,164China Eastern
Find Deal
Thu, 25 Dec - Thu, 1 Jan
China Eastern Logo
10:05 - 13:35CNX-SYD
23h 30m3 stops
China Eastern Logo
13:30 - 15:25SYD-CNX
29h 55m3 stops
$1,178China Eastern
Find Deal
Thu, 25 Dec - Thu, 1 Jan
Malaysia Airlines Logo
12:25 - 06:05CNX-SYD
37h 40m2 stops
Malaysia Airlines Logo
22:15 - 19:00SYD-CNX
24h 45m2 stops
$1,549Malaysia Airlines
Find Deal
Sun, 1 Mar - Mon, 16 Mar
Malaysia Airlines Logo
14:50 - 06:05CNX-SYD
35h 15m2 stops
Malaysia Airlines Logo
22:15 - 13:50SYD-CNX
19h 35m1 stop
$2,399Malaysia Airlines
Find Deal
Sat, 27 Dec - Fri, 2 Jan

Scoot flights from Chiang Mai to Sydney

Our best Scoot deals on Chiang Mai to Sydney flight tickets
Scoot
1 Mar
CNX12:05Chiang Mai
26h 45m
1 stop
SYD18:50Sydney Kingsford Smith
14 Mar
SYD14:20Sydney Kingsford Smith
24h 45m
1 stop
CNX11:05Chiang Mai
Scoot
1 Mar
CNX12:05Chiang Mai
26h 45m
1 stop
SYD18:50Sydney Kingsford Smith
12 Mar
SYD20:05Sydney Kingsford Smith
19h 00m
1 stop
CNX11:05Chiang Mai

China Eastern flights from Chiang Mai to Sydney

Our best China Eastern deals on Chiang Mai to Sydney flight tickets
China Eastern
25 Dec
CNX10:05Chiang Mai
23h 30m
3 stops
SYD13:35Sydney Kingsford Smith
1 Jan
SYD13:30Sydney Kingsford Smith
29h 55m
3 stops
CNX15:25Chiang Mai
China Eastern
25 Dec
CNX10:05Chiang Mai
23h 30m
2 stops
SYD13:35Sydney Kingsford Smith
1 Jan
SYD13:30Sydney Kingsford Smith
29h 55m
3 stops
CNX15:25Chiang Mai
China Eastern
1 Mar
CNX16:25Chiang Mai
37h 05m
2 stops
SYD09:30Sydney Kingsford Smith
14 Mar
SYD13:30Sydney Kingsford Smith
29h 55m
3 stops
CNX15:25Chiang Mai

momondo Fare Finder

 
Customise your flight search to find flights from Chiang Mai to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 11 November 2025.
Use the filters below to find and compare flights from Chiang Mai to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 1/3

18:55-10:45

2 stops35h 50m

Sydney Kingsford Smith

Sun 15/3

21:50-08:40

1 stop14h 50m

$769

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 1/3

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Mon 16/3

21:50-08:40

1 stop14h 50m

$775

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 1/3

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Fri 13/3

10:45-08:40

1 stop25h 55m

$778

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 1/3

22:25-06:35

2 stops28h 10m

Sydney Kingsford Smith

Wed 11/3

21:50-08:40

1 stop14h 50m

$807

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 1/3

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Sat 14/3

14:20-11:05

1 stop24h 45m

$875

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 1/3

12:05-18:50

1 stop26h 45m

Sydney Kingsford Smith

Tue 17/3

20:05-11:05

1 stop19h 00m

$907

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 25/12

10:05-13:35

2 stops23h 30m

Sydney Kingsford Smith

Thu 1/1

13:30-15:25

3 stops29h 55m

$1,164

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 25/12

10:05-13:35

3 stops23h 30m

Sydney Kingsford Smith

Thu 1/1

13:30-15:25

3 stops29h 55m

$1,178

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 1/3

12:25-06:05

2 stops37h 40m

Sydney Kingsford Smith

Mon 16/3

22:15-19:00

2 stops24h 45m

$1,549

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sat 27/12

14:50-06:05

2 stops35h 15m

Sydney Kingsford Smith

Fri 2/1

22:15-13:50

1 stop19h 35m

$2,399

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

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

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Sunday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,243. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $1,421.

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

As of November 2025, prices for Chiang Mai to Sydney flights are approximately 21% 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

Direct flights

None
There are no direct flights from Chiang Mai to Sydney. There are no popular flight routes 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 12h 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 many operators does momondo search for flights from Chiang Mai Airport to Sydney Kingsford Smith Airport?

  • 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.

  • What is the most popular airline from Chiang Mai to Sydney?

Best airlines flying from Chiang Mai to Sydney

Compare and see reviews for airlines that fly from Chiang Mai to Sydney with momondo
Airline
Rating
Free cancellation
Price
Thai AirwaysPriceFrom $1,397Free cancellationRating
7.8
361 reviews
Search Thai Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Leura
Manly
Bondi Beach
Coogee
Cronulla
Randwick
Charlestown
Newport
Swansea

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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 11/12
Thu 18/12

Find better results for your trip to Australia