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Cheap flights from Chiang Mai to Sydney from $329

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SYD
23 Aug — 30 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Chiang Mai to Sydney
Explore the most affordable flight options available from Chiang Mai to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 July 2026.

Sun 9/821:30
CNX
-
SYD
1 stop18h 50m
Scoot
Mon 24/820:35
SYD
-
CNX
1 stop26h 55m
Scoot
Deal found 21/7$721
Tue 1/917:35
CNX
-
SYD
1 stop15h 10m
Scoot
Fri 11/913:00
SYD
-
CNX
1 stop30h 35m
Scoot
Deal found 21/7$725
Tue 1/922:30
CNX
-
SYD
3 stops41h 50m
Multiple Airlines
Fri 11/920:35
SYD
-
CNX
1 stop23h 00m
Multiple Airlines
Deal found 23/7$758
Thu 10/917:35
CNX
-
SYD
1 stop15h 10m
Scoot
Mon 21/920:35
SYD
-
CNX
1 stop23h 00m
Scoot
Deal found 24/7$765
Tue 8/917:35
CNX
-
SYD
1 stop15h 10m
Scoot
Tue 22/913:00
SYD
-
CNX
1 stop24h 25m
Scoot
Deal found 24/7$814
Sun 9/821:30
CNX
-
SYD
1 stop18h 50m
Multiple Airlines
Mon 24/810:15
SYD
-
CNX
2 stops24h 40m
Multiple Airlines
Deal found 20/7$816

Find flight deals from Chiang Mai to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 July 2026.

Round-trip from

$721

One-way from

$329
Scoot
  • Scoot
  • 9/8-24/8
  • 2 total stops
  • 45h 45m total
  • Chiang Mai to Sydney
Search Deals
Scoot
  • Scoot
  • 15/9
  • 1 total stop
  • 22h 45m total
  • Chiang Mai to Sydney
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 24 July 2026.
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

Cheapest return flight

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Tue 1/9

22:30-19:20

3 stops41h 50m

Sydney Kingsford Smith

Fri 11/9

20:35-16:35

1 stop23h 00m

$758

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 9/8

21:30-19:20

1 stop18h 50m

Sydney Kingsford Smith

Mon 24/8

10:15-07:55

2 stops24h 40m

$816

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Fri 11/9

11:30-11:45

1 stop21h 15m

Sydney Kingsford Smith

Fri 18/9

20:35-16:35

1 stop23h 00m

$934

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 31/8

00:30-08:00

3 stops28h 30m

Sydney Kingsford Smith

Fri 11/9

20:30-09:15

3 stops39h 45m

$1,100

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 10/9

09:10-12:35

3 stops24h 25m

Sydney Kingsford Smith

Sun 13/9

20:30-09:15

3 stops39h 45m

$1,129
Fastest return journey

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Wed 9/9

12:35-06:30

1 stop14h 55m

Sydney Kingsford Smith

Sun 13/9

22:10-11:40

1 stop16h 30m

$1,180
Cheapest one-way

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Tue 20/10

17:35-20:20

1 stop22h 45m

$329

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Tue 8/12

07:05-11:30

2 stops24h 25m

$353
Fastest single journey

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 6/9

17:35-11:45

1 stop15h 10m

$358

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Tue 15/9

12:10-11:45

2 stops20h 35m

$408

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Chiang Mai to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Chiang Mai with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chiang Mai to Sydney?

    For as low as $934, Scoot can have you in Sydney from Chiang Mai in 21h 15m. There are 8048 km between Chiang Mai and Sydney.

  • Can I find deals for flights from Chiang Mai to Sydney that include hotel bookings?

    Yes. In addition to deals on Chiang Mai to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Chiang Mai to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Sydney.

  • Can I find deals for business class flights from Chiang Mai to Sydney?

    Yes. Cheapflights offers flight deals from Chiang Mai to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chiang Mai to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chiang Mai to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chiang Mai to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Chiang Mai to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Chiang Mai to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Chiang Mai to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Chiang Mai? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Chiang Mai to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Chiang Mai to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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