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Cheap flights from Sydney to Chiang Mai from $319

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CNX
3 Sep — 10 Sep1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Chiang Mai are usually found in February or May, booked 88 days in advance, depart on a Monday or Saturday and return on a Tuesday

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 29 August 2025.

Round-trip from

$613

One-way from

$319

Popular in

November

Cheapest in

February

Average price

$1,073
15/11-15/12
  • 15/11-15/12
  • 2 total stops
  • 46h 00m total
  • Sydney to Chiang Mai
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17/11
  • 17/11
  • 1 total stop
  • 20h 45m total
  • Sydney to Chiang Mai
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($344 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($62 potential savings vs. average return price).
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Average for round-trip flights in August 2025
Search Deals

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 29 August 2025.

Sat 15/1110:45SYD - CNX
1 stop25h 55mMultiple Airlines
Mon 15/1209:10CNX - SYD
1 stop20h 05mMultiple Airlines
Deal found 27/8$613
Thu 23/1022:15SYD - CNX
1 stop22h 35mMultiple Airlines
Tue 28/1015:10CNX - SYD
1 stop25h 25mMultiple Airlines
Deal found 28/8$618
Mon 10/1120:05SYD - CNX
1 stop23h 30mScoot
Mon 24/1112:05CNX - SYD
1 stop21h 00mScoot
Deal found 26/8$639
Mon 13/1021:25SYD - CNX
1 stop23h 15mScoot
Sun 26/1012:00CNX - SYD
1 stop26h 50mScoot
Deal found 27/8$679
Thu 30/1020:05SYD - CNX
1 stop18h 55mScoot
Tue 11/1112:00CNX - SYD
1 stop21h 05mScoot
Deal found 28/8$685
Tue 14/1022:15SYD - CNX
1 stop22h 35mMultiple Airlines
Mon 27/1008:05CNX - SYD
2 stops18h 10mMultiple Airlines
Deal found 28/8$688
Mon 13/1021:25SYD - CNX
1 stop23h 15mMultiple Airlines
Sun 26/1021:30CNX - SYD
2 stops28h 45mMultiple Airlines
Deal found 27/8$708

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 29 August 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

Wed 18/2

20:05-11:00

1 stop18h 55m

Chiang Mai

Fri 6/3

16:35-13:05

1 stop16h 30m

$604

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Sat 15/11

10:45-08:40

1 stop25h 55m

Chiang Mai

Mon 15/12

09:10-09:15

1 stop20h 05m

$613

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Thu 23/10

22:15-16:50

1 stop22h 35m

Chiang Mai

Tue 28/10

15:10-20:35

1 stop25h 25m

$618

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Mon 16/2

14:20-15:35

1 stop29h 15m

Chiang Mai

Wed 25/2

16:35-18:50

1 stop22h 15m

$639

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Mon 10/11

20:05-15:35

1 stop23h 30m

Chiang Mai

Mon 24/11

12:05-13:05

1 stop21h 00m

$639

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Mon 13/10

21:25-16:40

1 stop23h 15m

Chiang Mai

Sun 26/10

12:00-18:50

1 stop26h 50m

$679

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Thu 30/10

20:05-11:00

1 stop18h 55m

Chiang Mai

Mon 10/11

12:05-13:05

1 stop21h 00m

$685

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Thu 30/10

20:05-11:00

1 stop18h 55m

Chiang Mai

Tue 11/11

12:00-13:05

1 stop21h 05m

$685

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Tue 14/10

22:15-16:50

1 stop22h 35m

Chiang Mai

Mon 27/10

08:05-06:15

2 stops18h 10m

$688

SydneyChiang Mai

SYD - CNX

SYDCNX

Sydney Kingsford Smith

Mon 10/11

14:20-13:50

3 stops27h 30m

Chiang Mai

Mon 24/11

22:25-18:50

3 stops40h 25m

$708

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 19 results
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?

Use this chart to determine the optimal time to book a return flight from Sydney to Chiang Mai. Price data was last updated on 22 August 2025.

To ensure you get the cheapest price possible for a flight from Sydney to Chiang Mai, you should look to book at least 88 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 $553). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $929). 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 29 August 2025.

When flying from Sydney to Chiang Mai, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 30% versus a flight at midday.

What is the cheapest day to fly from Sydney to Chiang Mai?

Use this chart to determine the cheapest time to fly return from Sydney to Chiang Mai. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to Chiang Mai flight should consider departing on Sunday at midday when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 29 August 2025.
Get a feel of what it's like to fly with Singapore Airlines, Thai Airways, andChina Southern 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
8.1
Very Good
1,352 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,352 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Thai Airways
7.8
Good
345 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
China Southern
7.5
Good
109 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Malaysia Airlines
7.3
Good
278 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Scoot
6.7
Okay
309 reviews
Singapore Airlines
8.1
Very Good
1,352 reviews
Check prices

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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 18h 55m. The distance between Sydney and Chiang Mai is about 8048 km.

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

    Scoot, at $573, 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 47% cheaper than the other options available to this destination.

  • Where are the most common stopover locations when flying from Sydney to Chiang Mai?

    Flights departing from Sydney and landing in Chiang Mai stopover in Bangkok most frequently.

  • What are some popular things to do or see while on a stopover in Bangkok?

    Most Bangkok visitors opt to spend their time experiencing Pratunam, Thailand Cultural Center, and Siam Square. Pratunam, Thailand Cultural Center, and Siam Square can be accessed by travelling approximately 23.8 km, 21.1 km, and 24.2 km, respectively from Bangkok Suvarnabhumi. Those looking to explore during their stopover in Bangkok can hire a car from Bangkok Suvarnabhumi for about $33 per day.

  • Where are the least popular stopover locations for Sydney to Chiang Mai flights?

    Sydney to Chiang Mai flights have a stopover in Singapore least often.

  • 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 $553). Flying from Sydney to Chiang Mai in December is currently the most expensive (average of $929). 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

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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 29 August 2025.
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 7 airlines flying from Sydney to Chiang Mai

Discover the top 7 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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$573Average$703FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Malaysia AirlinesCheapest$686Average$911FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
China SouthernCheapest$735Average$1,299FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Singapore AirlinesCheapest$881Average$1,093FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China EasternCheapest$910Average$1,334FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Cathay PacificCheapest$923Average$1,066FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Thai AirwaysCheapest$1,103Average$1,369FlexibilityNo 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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