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Cheap flights from Sydney to Chiang Mai from $308

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CNX
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Chiang Mai

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Chiang Mai
Explore the most affordable flight options available from Sydney to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 August 2026.

Fri 30/1010:45 -
1 stop25h 55m
Sat 7/1109:10 -
1 stop20h 05m
Deal found 8/8$605
Wed 11/1121:50 -
1 stop14h 50m
Sat 14/1109:10 -
1 stop20h 05m
Deal found 8/8$634
Mon 7/920:50 -
1 stop21h 20m
Sat 12/915:40 -
1 stop13h 40m
Deal found 6/8$679
Tue 11/820:35 -
1 stop16h 50m
Tue 25/817:35 -
1 stop15h 10m
Deal found 8/8$709
Wed 12/820:35 -
1 stop23h 00m
Sun 16/821:30 -
1 stop18h 50m
Deal found 7/8$710
Mon 19/1014:00 -
1 stop30h 35m
Tue 27/1012:05 -
1 stop26h 45m
Deal found 7/8$711
Mon 19/1014:00 -
1 stop30h 35m
Tue 27/1022:50 -
2 stops33h 20m
Deal found 6/8$718

Find flight deals from Sydney to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Chiang Mai (CNX). 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 10 August 2026.

Round-trip from

$605

One-way from

$308

Popular in

December

Cheapest in

May

Average price

$955
30/10-7/11
  • 30/10-7/11
  • 2 total stops
  • 46h 00m total
  • Sydney to Chiang Mai
Search Deals
30/10
  • 30/10
  • 1 total stop
  • 25h 55m total
  • Sydney to Chiang Mai
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($260 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($63 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Chiang Mai 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 10 August 2026.
Use the filters below to find and compare flights from Sydney to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Wed 18/11

11:25-17:50

1 stop34h 25m

Chiang Mai

Mon 7/12

18:50-13:35

1 stop14h 45m

$973

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Tue 26/1

21:50-08:40

1 stop14h 50m

Chiang Mai

Thu 4/2

09:10-09:15

1 stop20h 05m

$997

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Mon 16/11

22:15-13:50

1 stop19h 35m

Chiang Mai

Sat 12/12

14:50-07:55

1 stop13h 05m

$1,086

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Mon 16/11

22:15-13:50

1 stop19h 35m

Chiang Mai

Fri 18/12

12:25-10:20

1 stop17h 55m

$1,223
Fastest return journey

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Mon 7/9

07:40-18:40

1 stop14h 00m

Chiang Mai

Thu 10/9

19:25-11:45

1 stop13h 20m

$1,240

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Sat 16/1

10:45-08:40

1 stop25h 55m

Chiang Mai

Sat 23/1

09:10-09:15

1 stop20h 05m

$1,288

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Wed 27/1

22:15-13:50

1 stop19h 35m

Chiang Mai

Thu 4/2

14:50-20:35

1 stop25h 45m

$1,291

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Mon 7/9

20:30-15:20

2 stops45h 50m

Chiang Mai

Thu 10/9

14:55-12:35

1 stop18h 40m

$1,313

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Thu 28/1

22:15-11:25

1 stop17h 10m

Chiang Mai

Thu 4/2

14:50-06:05

2 stops35h 15m

$1,315
Cheapest one-way

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Fri 30/10

10:45-08:40

1 stop25h 55m

$308

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Sydney 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 Sydney to Chiang Mai

How far ahead should I book a flight from Sydney to Chiang Mai?

To ensure you get the cheapest price possible for a flight from Sydney to Chiang Mai, you should look to book at least 6 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Sydney to Chiang Mai (average of $685). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $1,526). 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.

How much does it cost for a return flight from Sydney to Chiang Mai?

Airfare is below average for this route at the moment.

Sydney to Chiang Mai flights typically cost between $677 and $1,321 in October.
The cheapest return price found within the last 5 days was $605 on Multiple Airlines (30 Oct–7 Nov).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated 10 August 2026.
Get a feel of what it's like to fly with Singapore Airlines,Thai Airways, andCathay Pacific from Sydney to Chiang Mai by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,584 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Singapore Airlines
8.2
Very Good
1,584 reviews
Singapore Airlines
8.2
Very Good
1,584 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Thai Airways
7.9
Good
414 reviews
Singapore Airlines
8.2
Very Good
1,584 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Cathay Pacific
7.5
Good
1,444 reviews
Singapore Airlines
8.2
Very Good
1,584 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Malaysia Airlines
7.3
Good
315 reviews
Singapore Airlines
8.2
Very Good
1,584 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Scoot
6.7
Okay
327 reviews
Singapore Airlines
8.2
Very Good
1,584 reviews
Check prices

Overall

8.2

Crew

8.6

Food

7.8

Boarding

8.3

Comfort

8.0

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Chiang Mai. 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 Sydney to Chiang Mai?

    Departing from Sydney to Chiang Mai will take you 19h 35m. The distance between Sydney and Chiang Mai is about 8048 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Sydney to Chiang Mai round-trip?

    Scoot, at $568, was found to be the cheapest airline from Sydney to Chiang Mai.Alternate airlines to your destination round-trip include Malaysia Airlines and China Southern. Users have found that Scoot is 45% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with China Eastern, which is currently one of the cheapest options available, starting at $186. Scoot flights start at $296 while deals on Malaysia Airlines start at $354 one-way.

  • Can I find deals for flights from Sydney to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on Sydney to Chiang Mai flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Chiang Mai.

  • Can I find deals for business class flights from Sydney to Chiang Mai?

    Yes. Cheapflights offers flight deals from Sydney to Chiang Mai 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 Sydney to Chiang Mai?

    Currently, May is the cheapest month in which you can book a flight from Sydney to Chiang Mai (average of $685). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $1,526). 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

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.

Fly from Sydney to Chiang Mai on these airlines

Choose from the following airlines for your flight from Sydney to Chiang Mai. Flights are based on user searches made on Cheapflights and were last updated on 10 August 2026.
Thai Airways flights from Sydney Kingsford Smith to Chiang Mai
Scoot flights from Sydney Kingsford Smith to Chiang Mai
Singapore Airlines flights from Sydney Kingsford Smith to Chiang Mai

Top 6 airlines flying from Sydney to Chiang Mai

Discover the top 6 airlines that operate flights from Sydney to Chiang Mai. 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 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$568Average$737FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Malaysia AirlinesCheapest$578Average$960FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China SouthernCheapest$725Average$1,391FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Cathay PacificCheapest$861Average$1,255FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Singapore AirlinesCheapest$1,019Average$1,911FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest$1,103Average$1,328FlexibilityNo 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 Sydney to Chiang Mai?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Chiang Mai. 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 Sydney to Chiang Mai?

Cheapflights simply makes it quick and affordable to book flights from Sydney to Chiang Mai 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 Sydney to Chiang Mai with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Chiang Mai flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Sydney to Chiang Mai become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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