Find flights
When to book
Airlines
FAQs

Cheap flights from Chiang Mai to Sydney from $334

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SYD
25 Apr — 2 May1
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 26 March 2026.

Mon 4/517:35
CNX
-
SYD
1 stop22h 45m
Multiple Airlines
Mon 11/520:50
SYD
-
CNX
1 stop21h 20m
Multiple Airlines
Deal found 22/3$653
Fri 8/511:30
CNX
-
SYD
1 stop21h 15m
Scoot
Fri 15/520:35
SYD
-
CNX
1 stop23h 00m
Scoot
Deal found 24/3$683
Fri 8/511:30
CNX
-
SYD
1 stop21h 15m
Multiple Airlines
Fri 15/509:45
SYD
-
CNX
2 stops35h 15m
Multiple Airlines
Deal found 23/3$745
Tue 5/517:35
CNX
-
SYD
1 stop15h 10m
Multiple Airlines
Tue 12/513:00
SYD
-
CNX
2 stops25h 15m
Multiple Airlines
Deal found 21/3$769
Thu 9/417:35
CNX
-
SYD
1 stop22h 45m
Scoot
Thu 7/520:40
SYD
-
CNX
1 stop16h 45m
Scoot
Deal found 21/3$868

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 26 March 2026.

Round-trip from

$653

One-way from

$334
4/5-11/5
  • 4/5-11/5
  • 2 total stops
  • 44h 05m total
  • Chiang Mai to Sydney
Search Deals
Scoot
  • Scoot
  • 28/4
  • 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 26 March 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
Fastest return journey

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Tue 5/5

17:35-11:45

1 stop15h 10m

Sydney Kingsford Smith

Tue 12/5

20:50-15:10

1 stop21h 20m

$653

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 9/4

17:35-19:20

1 stop22h 45m

Sydney Kingsford Smith

Thu 7/5

20:40-10:25

1 stop16h 45m

$868

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 9/4

10:55-08:45

1 stop18h 50m

Sydney Kingsford Smith

Thu 7/5

20:40-15:50

3 stops22h 10m

$952

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Wed 13/5

12:35-10:00

1 stop18h 25m

Sydney Kingsford Smith

Sun 17/5

09:15-11:40

1 stop29h 25m

$978

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Wed 1/4

11:30-12:45

1 stop21h 15m

Sydney Kingsford Smith

Tue 30/6

20:35-10:25

1 stop16h 50m

$985

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Wed 13/5

16:10-09:00

2 stops37h 50m

Sydney Kingsford Smith

Sun 17/5

11:00-15:20

2 stops31h 20m

$1,178

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 24/5

12:35-10:00

1 stop18h 25m

Sydney Kingsford Smith

Wed 27/5

22:10-13:40

1 stop18h 30m

$1,232

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 24/5

16:10-08:05

2 stops36h 55m

Sydney Kingsford Smith

Wed 27/5

20:30-09:15

3 stops39h 45m

$1,249
Cheapest one-way

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Wed 1/4

11:30-12:45

1 stop21h 15m

$336
Fastest single journey

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 30/3

17:35-12:45

1 stop15h 10m

$339

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 17 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.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 26 March 2026.
Read through reviews of airlines operating flights from Chiang Mai to Sydney, such as Thai Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
394 reviews
Check prices

Food

7.4

Entertainment

6.9

Crew

8.4

Overall

7.8

Comfort

7.6

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Airways
7.8
Good
394 reviews
Thai Airways
7.8
Good
394 reviews
Check prices

Food

7.4

Entertainment

6.9

Crew

8.4

Overall

7.8

Comfort

7.6

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

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 $978, Scoot can have you in Sydney from Chiang Mai in 18h 25m. There are 8048 km between Chiang Mai and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Chiang Mai to Sydney round-trip?

    Cheapflights users have booked flights from Chiang Mai to Sydney round-trip from $1,324.

  • 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
Terrigal
Lithgow
Katoomba
Manly
Bondi Beach
Coogee
Cronulla
Leura
Randwick

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chiang Mai to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Sydney flights
Don Mueang Intl to Sydney flights
Phuket City to Sydney flights
Suvarnabhumi to Coolangatta flights
Don Mueang Intl to Coolangatta flights

Top airline flying from Chiang Mai to Sydney

Discover the top airline that operate flights from Chiang Mai to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 26 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest$1,324Average$1,351FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.