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Cheap flights from Chiang Mai to Sydney from $291

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SYD
20 Apr — 27 Apr1
1 adult

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 15 April 2025.

Popular in

October

Cheapest in

April

Average price

$710
Highest demand for flights based on searches. 14% potential increase in price ($347 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($83 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Chiang Mai to Sydney

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 15 April 2025.

Thu 15/510:15CNX - SYD
2 stops18h 35mMultiple Airlines
Sat 31/520:45SYD - CNX
2 stops18h 20mMultiple Airlines
Deal found 13/4$633
Fri 12/911:15CNX - SYD
1 stop21h 20mScoot
Tue 16/920:45SYD - CNX
1 stop16h 30mScoot
Deal found 14/4$727
Thu 15/510:05CNX - SYD
2 stops19h 55mChina Eastern
Sat 31/511:20SYD - CNX
3 stops55h 00mChina Eastern
Deal found 13/4$941
Thu 11/900:45CNX - SYD
1 stop27h 45mAsiana Airlines
Tue 16/909:30SYD - CNX
1 stop17h 10mAsiana Airlines
Deal found 14/4$1,753

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 15 April 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 15/5

10:15-07:50

2 stops18h 35m

Sydney Kingsford Smith

Sat 31/5

20:45-12:05

2 stops18h 20m

$633

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Fri 12/9

11:15-11:35

1 stop21h 20m

Sydney Kingsford Smith

Tue 16/9

20:45-10:15

1 stop16h 30m

$727

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 15/5

10:05-09:00

2 stops19h 55m

Sydney Kingsford Smith

Sat 31/5

11:20-15:20

3 stops55h 00m

$941

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 11/9

00:45-07:30

1 stop27h 45m

Sydney Kingsford Smith

Tue 16/9

09:30-23:40

1 stop17h 10m

$1,753

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 22/5

08:25-07:50

2 stops20h 25m

$291

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 22/5

17:40-11:35

1 stop14h 55m

$378

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 2/6

12:35-19:35

1 stop28h 00m

$741

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 2/6

20:00-08:00

2 stops33h 00m

$811

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 1/6

10:05-12:35

3 stops23h 30m

$954

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 1/6

00:45-07:30

1 stop27h 45m

$1,136

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to Sydney

What is the cheapest time of day to fly from CNX to SYD?

Find hourly flight availability from Chiang Mai to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chiang Mai to Sydney as you normally would.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 15 April 2025.
Asiana Airlines
8.2
Very Good
438 reviews
Check prices

Overall

8.2

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Crew

8.5

Food

8.0

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Asiana Airlines
8.2
Very Good
438 reviews
Asiana Airlines
8.2
Very Good
438 reviews
Check prices

Overall

8.2

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Crew

8.5

Food

8.0

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Malaysia Airlines
7.3
Good
253 reviews
Asiana Airlines
8.2
Very Good
438 reviews
Check prices

Overall

8.2

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Crew

8.5

Food

8.0

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Philippine Airlines
7.2
Good
855 reviews
Asiana Airlines
8.2
Very Good
438 reviews
Check prices

Overall

8.2

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Crew

8.5

Food

8.0

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
China Eastern
7.2
Good
143 reviews
Asiana Airlines
8.2
Very Good
438 reviews
Check prices

Overall

8.2

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Crew

8.5

Food

8.0

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Scoot
6.7
Okay
303 reviews
Asiana Airlines
8.2
Very Good
438 reviews
Check prices

Overall

8.2

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Crew

8.5

Food

8.0

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

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 are the cheapest airlines to fly from Chiang Mai to Sydney one-way?

    One-way options have recently been found by users for as low as $392 on Scoot. Other airlines that offer cheap prices include Malaysia Airlines from $741 and Philippine Airlines from $823 one-way.

  • 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.

  • What is the cheapest month to book a flight from Chiang Mai to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Chiang Mai to Sydney (average of $129). Flying from Chiang Mai to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Chiang Mai?

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

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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest$1,184Average$1,446FlexibilityNo 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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