Find flights
When to book
Airlines
FAQs

Cheap flights from Chiang Mai to Sydney from $335

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SYD
11 Jan — 18 Jan1
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 12 December 2025.

Sat 27/1209:10CNX - SYD
1 stop20h 05mMultiple Airlines
Fri 2/121:50SYD - CNX
1 stop14h 50mMultiple Airlines
Deal found 12/12$1,050
Sat 20/1220:50CNX - SYD
2 stops40h 30mMultiple Airlines
Sun 28/1221:50SYD - CNX
1 stop14h 50mMultiple Airlines
Deal found 10/12$1,134
Thu 18/1215:10CNX - SYD
1 stop14h 05mMultiple Airlines
Sun 28/1221:50SYD - CNX
1 stop14h 50mMultiple Airlines
Deal found 10/12$1,140
Mon 22/1222:30CNX - SYD
2 stops29h 35mMultiple Airlines
Sun 28/1221:50SYD - CNX
1 stop14h 50mMultiple Airlines
Deal found 10/12$1,149
Fri 19/1222:25CNX - SYD
2 stops38h 55mMultiple Airlines
Sun 28/1221:50SYD - CNX
1 stop14h 50mMultiple Airlines
Deal found 10/12$1,158
Sun 21/1209:10CNX - SYD
2 stops17h 05mMultiple Airlines
Sun 28/1221:50SYD - CNX
1 stop14h 50mMultiple Airlines
Deal found 10/12$1,304

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 12 December 2025.

Round-trip from

$1,026

One-way from

$335
24/1-31/1
  • 24/1-31/1
  • 2 total stops
  • 40h 00m total
  • Chiang Mai to Sydney
Search Deals
Scoot
  • Scoot
  • 25/12
  • 1 total stop
  • 20h 15m 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 12 December 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

Sat 24/1

15:10-09:15

1 stop14h 05m

Sydney Kingsford Smith

Sat 31/1

10:45-08:40

1 stop25h 55m

$1,026

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

$1,050

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 8/1

15:10-14:55

3 stops19h 45m

Sydney Kingsford Smith

Thu 15/1

21:50-21:30

2 stops27h 40m

$1,086

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 22/12

09:10-09:15

1 stop20h 05m

Sydney Kingsford Smith

Sun 28/12

21:50-08:40

1 stop14h 50m

$1,168

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 25/12

12:05-12:20

1 stop20h 15m

Sydney Kingsford Smith

Sat 27/12

21:50-08:40

1 stop14h 50m

$1,350

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 25/12

15:35-13:35

1 stop18h 00m

Sydney Kingsford Smith

Sat 27/12

21:30-09:05

3 stops39h 35m

$1,603

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 25/12

12:05-12:20

1 stop20h 15m

$335

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 22/12

15:10-09:15

1 stop14h 05m

$354

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Wed 24/12

09:10-09:15

1 stop20h 05m

$369

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Tue 23/12

22:50-08:05

2 stops29h 15m

$390

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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 12 December 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
366 reviews
Check prices

Comfort

7.5

Crew

8.3

Overall

7.8

Entertainment

6.9

Food

7.3

Boarding

7.9

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
366 reviews
Thai Airways
7.8
Good
366 reviews
Check prices

Comfort

7.5

Crew

8.3

Overall

7.8

Entertainment

6.9

Food

7.3

Boarding

7.9

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 $1,370.

  • 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

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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest$1,370Average$1,410FlexibilityNo 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.