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Cheap flights from Chiang Mai to Sydney from $320

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SYD
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 14 November 2025.

Round-trip from

$951

One-way from

$320
5/2-11/2
  • 5/2-11/2
  • 3 total stops
  • 37h 15m total
  • Chiang Mai to Sydney
Search Deals
16/3
  • 16/3
  • 2 total stops
  • 29h 35m total
  • Chiang Mai to Sydney
Search Deals

Find 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 14 November 2025.

Wed 19/1109:10CNX - SYD
2 stops23h 10mMultiple Airlines
Sat 29/1111:15SYD - CNX
2 stops33h 50mMultiple Airlines
Deal found 12/11$858
Wed 19/1112:05CNX - SYD
1 stop20h 15mScoot
Sat 29/1120:05SYD - CNX
1 stop19h 00mScoot
Deal found 12/11$1,224
Sun 28/1214:30CNX - SYD
2 stops20h 50mMultiple Airlines
Sun 4/121:50SYD - CNX
1 stop14h 50mMultiple Airlines
Deal found 13/11$1,369
Sat 27/1209:10CNX - SYD
1 stop20h 05mMultiple Airlines
Fri 2/121:50SYD - CNX
1 stop14h 50mMultiple Airlines
Deal found 12/11$1,529
Mon 22/1206:50CNX - SYD
2 stops21h 15mMultiple Airlines
Fri 26/1221:50SYD - CNX
1 stop14h 50mMultiple Airlines
Deal found 13/11$1,631

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 14 November 2025.
Use the filters below to find and compare flights from Chiang Mai to Sydney that are best for you.

Fly from

Chiang Mai

Fly to

Sydney

Route

Depart

Return

Price

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 5/2

09:10-09:15

1 stop20h 05m

Sydney Kingsford Smith

Wed 11/2

21:50-11:00

2 stops17h 10m

$951

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 28/12

14:30-15:20

2 stops20h 50m

Sydney Kingsford Smith

Sun 4/1

21:50-08:40

1 stop14h 50m

$1,369

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Wed 7/1

09:10-09:15

1 stop20h 05m

Sydney Kingsford Smith

Fri 16/1

21:50-08:40

1 stop14h 50m

$1,370

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sat 27/12

09:10-09:15

1 stop20h 05m

Sydney Kingsford Smith

Fri 2/1

21:50-08:40

1 stop14h 50m

$1,529

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 22/12

06:50-08:05

2 stops21h 15m

Sydney Kingsford Smith

Fri 26/12

21:50-08:40

1 stop14h 50m

$1,631

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 5/2

14:50-06:05

2 stops35h 15m

Sydney Kingsford Smith

Wed 11/2

22:15-13:45

2 stops19h 30m

$1,692

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 16/3

22:30-08:05

2 stops29h 35m

$320

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 16/3

16:45-18:50

1 stop22h 05m

$334

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 19/3

16:45-18:50

1 stop22h 05m

$334

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 19/3

08:05-08:05

2 stops20h 00m

$339

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 16 results
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 14 November 2025.
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
361 reviews
Check prices

Comfort

7.6

Crew

8.3

Food

7.3

Boarding

7.8

Entertainment

6.9

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.8
Good
361 reviews
Thai Airways
7.8
Good
361 reviews
Check prices

Comfort

7.6

Crew

8.3

Food

7.3

Boarding

7.8

Entertainment

6.9

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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.

  • 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 $1,392.

  • 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
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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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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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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest$1,392Average$1,433FlexibilityNo 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.

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