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Chiang Mai

$222+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CNX
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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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 August 13, 2025.

Round-trip from

$402
(Booking.com)

One-way from

$222
(Mytrip)

Popular in

November

Cheapest in

February

Average price

$686
From Sydney Kingsford Smith to Chiang Mai
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One-way flight from Sydney Kingsford Smith to Chiang Mai
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Highest demand for flights based on searches. 17% potential increase in price ($153 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 13, 2025.

This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:50 pmSYD - CNX
1 stop24h 25mScoot
Mon 9/155:40 pmCNX - SYD
1 stop14h 55mScoot
Deal found 8/11$402
This AirAsia 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 AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:15 amSYD - CNX
1 stop26h 25mMultiple Airlines
Fri 10/319:10 amCNX - SYD
1 stop20h 05mMultiple Airlines
Deal found 8/11$413
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/131:50 pmSYD - CNX
1 stop30h 50mMultiple Airlines
Sun 10/191:20 amCNX - SYD
1 stop29h 25mMultiple Airlines
Deal found 8/12$435
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:45 pmSYD - CNX
1 stop16h 30mMultiple Airlines
Sun 9/141:20 amCNX - SYD
1 stop29h 25mMultiple Airlines
Deal found 8/11$436
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:25 pmSYD - CNX
1 stop23h 15mScoot
Mon 10/205:40 pmCNX - SYD
1 stop14h 55mScoot
Deal found 8/12$458
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Tue 11/252:20 pmSYD - CNX
2 stops30h 30mMultiple Airlines
Mon 12/112:05 pmCNX - SYD
1 stop21h 00mMultiple Airlines
Deal found 8/10$494

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 13, 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

Tue 9/9

12:50 pm-10:15 am

1 stop24h 25m

Chiang Mai

Mon 9/15

5:40 pm-11:35 am

1 stop14h 55m

$402

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Sun 10/26

10:15 am-8:40 am

1 stop26h 25m

Chiang Mai

Fri 10/31

9:10 am-9:15 am

1 stop20h 05m

$413

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Mon 10/13

1:50 pm-4:40 pm

1 stop30h 50m

Chiang Mai

Sun 10/19

1:20 am-10:45 am

1 stop29h 25m

$435

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Tue 9/9

8:45 pm-10:15 am

1 stop16h 30m

Chiang Mai

Sun 9/14

1:20 am-9:45 am

1 stop29h 25m

$436

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Mon 10/13

9:25 pm-4:40 pm

1 stop23h 15m

Chiang Mai

Mon 10/20

5:40 pm-12:35 pm

1 stop14h 55m

$458

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Wed 10/15

9:25 pm-11:25 pm

2 stops30h 00m

$222

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Tue 11/18

2:20 pm-3:00 pm

2 stops28h 40m

$229

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Sat 11/15

10:45 am-3:40 pm

2 stops32h 55m

$247

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Wed 10/15

9:25 pm-4:40 pm

1 stop23h 15m

$271

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Tue 11/18

12:15 pm-12:20 am

1 stop16h 05m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 12 results
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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 August 8, 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 88 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, September is the cheapest month in which you can book a flight from Sydney to Chiang Mai (average of $1,006). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $1,624). 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.

What is the cheapest time of day to fly from SYD to CNX?

Find hourly flight availability from Sydney to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Sydney to Chiang Mai at noon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the morning.

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.

  • What is the cheapest airline to fly from Sydney to Chiang Mai round-trip?

    Cheapflights users have booked flights from Sydney to Chiang Mai round-trip from $402. You may be able to fly from Sydney to Chiang Mai for 43% less than the average price by searching for this airline.

  • 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, September is the cheapest month in which you can book a flight from Sydney to Chiang Mai (average of $1,006). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $1,624). 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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