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Chiang Mai

$229+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CNX
5月 18 — 5月 251
週一 5/18
週一 5/25
1 adult, Economy
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Cheap 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 4月 18, 2026.

This AirAsia deal was found by Cheapflights users on 4/14. 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.
週一 8/38:50 pm
SYD
-
CNX
1 stop21h 20m
Multiple Airlines
週一 8/103:40 pm
CNX
-
SYD
1 stop24h 55m
Multiple Airlines
Deal found 4/14$451
This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週日 5/318:50 pm
SYD
-
CNX
1 stop21h 20m
Multiple Airlines
週日 6/75:35 pm
CNX
-
SYD
1 stop22h 45m
Multiple Airlines
Deal found 4/15$471
This China Eastern deal was found by Cheapflights users on 4/17. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 8/2510:05 am
SYD
-
CNX
3 stops50h 10m
China Eastern
週四 8/272:55 pm
CNX
-
SYD
1 stop18h 40m
China Eastern
Deal found 4/17$557
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週一 8/310:00 am
SYD
-
CNX
2 stops32h 20m
China Eastern
週一 8/104:10 pm
CNX
-
SYD
2 stops41h 25m
China Eastern
Deal found 4/15$563
This China Eastern deal was found by Cheapflights users on 4/14. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 9/811:00 am
SYD
-
CNX
2 stops49h 15m
China Eastern
週四 9/102:55 pm
CNX
-
SYD
1 stop18h 40m
China Eastern
Deal found 4/14$600

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 4月 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$451
(AirAsia)

One-way from

$229
(Booking.com)

Popular in

December

Cheapest in

May

Average price

$725
Provider with most accurate pricing for Sydney Kingsford Smith-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Chiang Mai flights.
Search Deals
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. 23% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 4月 18, 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 round-trip
Quickest round-trip

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週一 8/3

8:50 pm-3:10 pm

1 stop21h 20m

Chiang Mai

週一 8/10

3:40 pm-7:35 pm

1 stop24h 55m

$451

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週二 8/25

10:05 am-9:15 am

3 stops50h 10m

Chiang Mai

週四 8/27

2:55 pm-12:35 pm

1 stop18h 40m

$557

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週二 9/8

11:00 am-9:15 am

2 stops49h 15m

Chiang Mai

週四 9/10

2:55 pm-12:35 pm

1 stop18h 40m

$600

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週一 6/1

11:00 am-3:20 pm

3 stops55h 20m

Chiang Mai

週一 6/8

10:05 am-12:35 pm

3 stops47h 30m

$632

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週一 8/3

8:30 pm-9:15 am

3 stops39h 45m

Chiang Mai

週一 8/10

10:05 am-9:00 am

2 stops19h 55m

$639

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週五 5/29

10:05 am-3:20 pm

3 stops56h 15m

Chiang Mai

週五 6/5

4:10 pm-9:00 am

3 stops61h 50m

$689
Cheapest one-way

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週六 4/25

8:50 pm-3:10 pm

1 stop21h 20m

$234

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週四 5/7

8:40 pm-10:25 am

1 stop16h 45m

$264

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週一 8/17

8:35 pm-1:40 pm

2 stops20h 05m

$269

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

週一 8/17

10:00 am-3:20 pm

3 stops32h 20m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 14 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Sydney-Chiang Mai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Chiang Mai flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 April 10, 2026.

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 7 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 $480). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $1,025). 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 to fly round-trip from Sydney to Chiang Mai?

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 $557, China Eastern can have you in Chiang Mai from Sydney in 50h 10m. 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 $480). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $1,025). 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

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