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Chiang Mai

$240+ Cheap flights from Sydney (SYD) to Chiang Mai (CNX)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CNX
dic. 31 — ene. 71
mié. 12/31
mié. 1/7
1 adult, Economy
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Find flight deals from Sydney to Chiang Mai

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 diciembre 1, 2025.

This AirAsia deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/249:50 pmSYD - CNX
1 stop14h 50mMultiple Airlines
sáb. 1/33:10 pmCNX - SYD
1 stop25h 25mMultiple Airlines
Deal found 11/30$1,819

Cheap 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 diciembre 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$971
(Philippine Airlines)

One-way from

$240
(FlightHub)

Popular in

December

Cheapest in

May

Average price

$997
Provider with most accurate pricing for Sydney Kingsford Smith-Chiang Mai flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Chiang Mai flights.
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From Sydney Kingsford Smith to Chiang Mai
Search Deals
One-way flight from Sydney Kingsford Smith to Chiang Mai
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($236 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated diciembre 1, 2025.
Use the filters below to find and compare flights from Sydney to Chiang Mai that are best for you.

Fly from

Sydney

Fly to

Chiang Mai

Route

Depart

Return

Price

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

mié. 3/25

10:15 pm-1:50 pm

1 stop19h 35m

Chiang Mai

mar. 4/7

2:40 pm-9:20 am

2 stops15h 40m

$744

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

mié. 5/20

9:45 am-9:20 am

2 stops26h 35m

Chiang Mai

dom. 5/31

8:00 pm-8:00 am

2 stops33h 00m

$992

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

mar. 2/3

9:10 am-8:30 pm

1 stop39h 20m

Chiang Mai

lun. 3/2

12:15 am-6:55 am

1 stop26h 40m

$1,557

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

mié. 12/24

9:50 pm-8:40 am

1 stop14h 50m

Chiang Mai

sáb. 1/3

3:10 pm-8:35 pm

1 stop25h 25m

$1,819

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

vie. 1/9

9:50 pm-8:40 am

1 stop14h 50m

$371

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

vie. 4/3

9:50 pm-4:40 pm

1 stop22h 50m

$444

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

vie. 2/27

10:00 pm-11:25 am

2 stops41h 25m

$466

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

vie. 2/27

4:10 pm-3:45 pm

1 stop27h 35m

$495

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

vie. 4/3

9:30 pm-3:20 pm

2 stops45h 50m

$555

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

jue. 5/7

10:10 pm-2:50 pm

2 stops19h 40m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 11 results
1
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Compare providers for flights from Sydney to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Chiang Mai in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Chiang Mai flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sydney-Chiang Mai flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sydney-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Chiang Mai flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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?

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Chiang Mai. Price data was last updated on November 28, 2025.

The price you pay for your flight from Sydney to Chiang Mai may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $374). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $707). 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.

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?

    For as low as $1,557, Korean Air can have you in Chiang Mai from Sydney in 39h 20m. There are 5001 mi between Sydney and Chiang Mai.

  • 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 vacation 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 $374). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $707). 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.

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