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Cheap flights from Chiang Mai to Sydney from $348

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — SYD
24 May — 31 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 24 April 2026.

Sun 30/817:35
CNX
-
SYD
1 stop15h 10m
Scoot
Mon 21/920:35
SYD
-
CNX
1 stop23h 00m
Scoot
Deal found 23/4$714
Sun 30/817:35
CNX
-
SYD
1 stop15h 10m
Scoot
Tue 22/920:35
SYD
-
CNX
1 stop16h 50m
Scoot
Deal found 23/4$723
Sun 30/817:35
CNX
-
SYD
1 stop15h 10m
Scoot
Wed 23/913:00
SYD
-
CNX
1 stop30h 35m
Scoot
Deal found 23/4$763
Sat 5/915:40
CNX
-
SYD
1 stop13h 40m
Multiple Airlines
Tue 22/910:15
SYD
-
CNX
2 stops31h 20m
Multiple Airlines
Deal found 23/4$772
Sat 5/915:40
CNX
-
SYD
1 stop13h 40m
Multiple Airlines
Mon 21/910:15
SYD
-
CNX
2 stops31h 20m
Multiple Airlines
Deal found 23/4$774
Sat 5/915:40
CNX
-
SYD
1 stop13h 40m
Multiple Airlines
Sun 20/910:15
SYD
-
CNX
2 stops31h 20m
Multiple Airlines
Deal found 23/4$777
Sun 24/517:35
CNX
-
SYD
1 stop22h 45m
Multiple Airlines
Fri 29/510:05
SYD
-
CNX
3 stops32h 15m
Multiple Airlines
Deal found 22/4$779
Thu 3/908:00
CNX
-
SYD
2 stops20h 20m
Multiple Airlines
Mon 21/920:35
SYD
-
CNX
1 stop23h 00m
Multiple Airlines
Deal found 23/4$785
Sun 30/817:35
CNX
-
SYD
1 stop15h 10m
Multiple Airlines
Tue 22/910:15
SYD
-
CNX
2 stops24h 40m
Multiple Airlines
Deal found 23/4$788
Sun 30/817:35
CNX
-
SYD
1 stop15h 10m
Multiple Airlines
Mon 21/910:15
SYD
-
CNX
2 stops23h 55m
Multiple Airlines
Deal found 23/4$789
Thu 20/815:40
CNX
-
SYD
1 stop13h 40m
Multiple Airlines
Mon 30/1111:15
SYD
-
CNX
2 stops34h 30m
Multiple Airlines
Deal found 22/4$791
Sun 24/517:35
CNX
-
SYD
1 stop22h 45m
Scoot
Fri 29/520:35
SYD
-
CNX
1 stop23h 00m
Scoot
Deal found 22/4$792

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 April 2026.

Round-trip from

$714

One-way from

$348
Scoot
  • Scoot
  • 30/8-21/9
  • 2 total stops
  • 38h 10m total
  • Chiang Mai to Sydney
Search Deals
Scoot
  • Scoot
  • 24/5
  • 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 April 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

Wed 20/5

11:30-19:25

1 stop28h 55m

Sydney Kingsford Smith

Sun 24/5

13:00-16:35

1 stop30h 35m

$1,058
Fastest return journey

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 4/6

14:55-12:35

1 stop18h 40m

Sydney Kingsford Smith

Mon 8/6

20:30-13:25

1 stop19h 55m

$1,089
Cheapest one-way
Fastest single journey

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Sun 24/5

07:00-07:20

2 stops21h 20m

$368

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Sorted by cheapest first

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 24 April 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
7.9
Good
401 reviews
Check prices

Boarding

7.9

Comfort

7.7

Entertainment

6.9

Food

7.4

Crew

8.4

Overall

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
7.9
Good
401 reviews
Thai Airways
7.9
Good
401 reviews
Check prices

Boarding

7.9

Comfort

7.7

Entertainment

6.9

Food

7.4

Crew

8.4

Overall

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 $1,089, Scoot can have you in Sydney from Chiang Mai in 18h 40m. 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 $1,291.

  • 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 $307 on Scoot. Other airlines that offer cheap prices include Malaysia Airlines from $489 and Thai Airways from $588 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.

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
Terrigal
Lithgow
Cronulla
Manly
Bondi Beach
Leura
Randwick
Coogee

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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest$1,291Average$1,317FlexibilityNo 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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