HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chiang Mai

$300+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CNX
Sep 13 — Sep 201
Sun 9/13
Sun 9/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sydney to Chiang Mai with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 14, 2026.

This AirAsia deal was found by Cheapflights users on 8/12. 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.
Fri 10/3010:45 am -
1 stop25h 55m
Sat 11/79:10 am -
1 stop20h 05m
Deal found 8/12$441
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:00 pm -
1 stop30h 35m
Sun 11/17:05 am -
2 stops31h 45m
Deal found 8/11$565
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:00 pm -
1 stop30h 35m
Sun 11/112:05 pm -
1 stop20h 05m
Deal found 8/11$588
This FlightHub deal was found by Cheapflights users on 8/12. 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.
Wed 9/91:00 pm -
1 stop30h 35m
Wed 9/2311:30 am -
1 stop21h 15m
Deal found 8/12$682
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:45 am -
2 stops15h 40m
Sun 10/43:40 pm -
1 stop24h 55m
Deal found 8/13$726
This Mytrip deal was found by Cheapflights users on 8/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2810:00 am -
2 stops26h 00m
Fri 10/210:20 pm -
2 stops30h 40m
Deal found 8/9$787
This Malaysia Airlines deal was found by Cheapflights users on 8/9. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:00 pm -
2 stops40h 40m
Wed 9/2312:35 pm -
1 stop14h 55m
Deal found 8/9$833

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 August 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$441
(AirAsia)

One-way from

$300
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$675
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. 14% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 14, 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

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Wed 9/9

10:00 pm-11:40 am

2 stops40h 40m

Chiang Mai

Wed 9/23

12:35 pm-6:30 am

1 stop14h 55m

$833

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Sat 1/16

10:45 am-8:40 am

1 stop25h 55m

Chiang Mai

Sat 1/23

9:10 am-9:15 am

1 stop20h 05m

$912
Quickest round-trip

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Wed 1/27

10:15 pm-1:50 pm

1 stop19h 35m

Chiang Mai

Thu 2/4

2:50 pm-8:35 pm

1 stop25h 45m

$913

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Wed 10/28

12:25 pm-1:50 pm

2 stops29h 25m

Chiang Mai

Sun 11/1

12:25 pm-6:05 am

2 stops37h 40m

$929

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Fri 1/29

10:15 pm-1:50 pm

1 stop19h 35m

Chiang Mai

Thu 2/4

2:50 pm-6:05 am

2 stops35h 15m

$944

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Sun 1/24

12:20 pm-11:25 am

2 stops27h 05m

Chiang Mai

Thu 2/4

2:50 pm-6:05 am

2 stops35h 15m

$966
Cheapest one-way

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Thu 11/19

1:25 pm-7:10 pm

3 stops33h 45m

$344

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Thu 11/19

8:05 pm-3:40 pm

1 stop23h 35m

$358
Quickest one-way

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Sat 1/9

10:10 pm-10:25 am

1 stop16h 15m

$628

SydneyChiang Mai

SYD Sydney Kingsford Smith - CNX Chiang Mai

SYDCNX

Sydney Kingsford Smith

Thu 1/7

10:15 pm-11:25 am

1 stop17h 10m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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?

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 6 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 $484). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $1,079). 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?

Airfare is below average for this route at the moment.

Sydney to Chiang Mai flights typically cost between $479 and $934 in October.
The cheapest round-trip price found within the last 5 days was $441 on Multiple Airlines (Oct 30-Nov 7).

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 $913, Malaysia Airlines can have you in Chiang Mai from Sydney in 19h 35m. 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 $484). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $1,079). 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.

Alternative routes for Sydney to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Suvarnabhumi flights
Sydney to Phuket City flights
Sydney to Ko Samui flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.