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Cheap flights from Chiang Mai to Sydney from $312

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to Sydney departing on 18/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Chiang Mai to Sydney (CNX-SYD)

Cheap return flights

Logo
13:50 - 20:10CNX-SYD
26h 20m2 stops
Logo
20:05 - 11:55SYD-CNX
19h 50m2 stops
$653
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Thu, 23 Oct - Tue, 28 Oct
Logo
17:40 - 20:10CNX-SYD
22h 30m1 stop
Logo
21:50 - 14:35SYD-CNX
20h 45m1 stop
$666
Find Deal
Thu, 23 Oct - Tue, 28 Oct
Logo
13:50 - 20:10CNX-SYD
26h 20m2 stops
Logo
21:50 - 14:35SYD-CNX
20h 45m1 stop
$676
Find Deal
Thu, 23 Oct - Tue, 28 Oct
Logo
17:20 - 21:00CNX-SYD
23h 40m1 stop
Logo
11:15 - 22:30SYD-CNX
15h 15m2 stops
$761
Find Deal
Fri, 24 Oct - Fri, 31 Oct
Logo
06:30 - 08:20CNX-SYD
21h 50m2 stops
Logo
11:15 - 06:40SYD-CNX
23h 25m2 stops
$767
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Mon, 20 Oct - Fri, 24 Oct
Logo
17:20 - 21:00CNX-SYD
23h 40m1 stop
Logo
11:15 - 10:05SYD-CNX
26h 50m2 stops
$770
Find Deal
Mon, 20 Oct - Fri, 24 Oct
Logo
06:30 - 08:20CNX-SYD
21h 50m2 stops
Logo
11:15 - 22:50SYD-CNX
15h 35m2 stops
$771
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Fri, 24 Oct - Fri, 31 Oct
Logo
06:30 - 08:20CNX-SYD
21h 50m2 stops
Logo
21:25 - 22:00SYD-CNX
28h 35m3 stops
$779
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Mon, 20 Oct - Fri, 24 Oct
China Eastern Logo
10:05 - 13:35CNX-SYD
23h 30m3 stops
China Eastern Logo
12:20 - 14:20SYD-CNX
30h 00m2 stops
$976China Eastern
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Thu, 23 Oct - Tue, 28 Oct
China Eastern Logo
10:05 - 13:35CNX-SYD
23h 30m3 stops
China Eastern Logo
12:10 - 15:25SYD-CNX
31h 15m3 stops
$1,277China Eastern
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Thu, 23 Oct - Tue, 28 Oct

China Eastern flights from Chiang Mai to Sydney

Our best China Eastern deals on Chiang Mai to Sydney flight tickets
China Eastern
23 Oct
CNX10:05Chiang Mai
23h 30m
3 stops
SYD13:35Sydney Kingsford Smith
28 Oct
SYD12:20Sydney Kingsford Smith
30h 00m
2 stops
CNX14:20Chiang Mai
$976
Find similar
China Eastern
23 Oct
CNX10:05Chiang Mai
23h 30m
3 stops
SYD13:35Sydney Kingsford Smith
28 Oct
SYD12:10Sydney Kingsford Smith
31h 15m
3 stops
CNX15:25Chiang Mai
$1,277
Find similar
China Eastern
20 Oct
CNX16:20Chiang Mai
36h 40m
3 stops
SYD09:00Sydney Kingsford Smith
24 Oct
SYD21:30Sydney Kingsford Smith
39h 35m
3 stops
CNX09:05Chiang Mai
$1,467
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Chiang Mai to Sydney 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, momondo users made 78,305 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Chiang Mai to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 23/10

13:50-20:10

2 stops26h 20m

Sydney Kingsford Smith

Tue 28/10

20:05-11:55

2 stops19h 50m

$653

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 23/10

17:40-20:10

1 stop22h 30m

Sydney Kingsford Smith

Tue 28/10

21:50-14:35

1 stop20h 45m

$666

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 23/10

13:50-20:10

2 stops26h 20m

Sydney Kingsford Smith

Tue 28/10

21:50-14:35

1 stop20h 45m

$676

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Fri 24/10

17:20-21:00

1 stop23h 40m

Sydney Kingsford Smith

Fri 31/10

11:15-22:30

2 stops15h 15m

$761

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 20/10

06:30-08:20

2 stops21h 50m

Sydney Kingsford Smith

Fri 24/10

11:15-06:40

2 stops23h 25m

$767

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 20/10

17:20-21:00

1 stop23h 40m

Sydney Kingsford Smith

Fri 24/10

11:15-10:05

2 stops26h 50m

$770

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Fri 24/10

06:30-08:20

2 stops21h 50m

Sydney Kingsford Smith

Fri 31/10

11:15-22:50

2 stops15h 35m

$771

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Mon 20/10

06:30-08:20

2 stops21h 50m

Sydney Kingsford Smith

Fri 24/10

21:25-22:00

3 stops28h 35m

$779

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 23/10

10:05-13:35

3 stops23h 30m

Sydney Kingsford Smith

Tue 28/10

12:20-14:20

2 stops30h 00m

$976

Chiang MaiSydney

CNX - SYD

CNXSYD

Chiang Mai

Thu 23/10

10:05-13:35

3 stops23h 30m

Sydney Kingsford Smith

Tue 28/10

12:10-15:25

3 stops31h 15m

$1,277

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Chiang Mai to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Sunday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,227. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $1,404.

How have Chiang Mai to Sydney flight prices changed over time?

As of September 2025, prices for Chiang Mai to Sydney flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Chiang Mai to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Chiang Mai to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chiang Mai to Sydney (CNX to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chiang Mai to Sydney

Direct flights

None
There are no direct flights from Chiang Mai to Sydney. There are no popular flight routes from Chiang Mai to Sydney.
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  • How far is Chiang Mai to Sydney Kingsford Smith by plane?

    The distance between Chiang Mai and Sydney Kingsford Smith is about 8047.4 km. A reasonable flight in good conditions will take 15h 20m.

  • When did momondo last update prices for flights from Chiang Mai Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Chiang Mai Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Chiang Mai Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Chiang Mai Airport to Sydney Kingsford Smith Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chiang Mai Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chiang Mai to Sydney?

Best airlines flying from Chiang Mai to Sydney

Compare and see reviews for airlines that fly from Chiang Mai to Sydney with momondo
Airline
Rating
Free cancellation
Price
Thai AirwaysPriceFrom $1,380Free cancellationRating
7.8
350 reviews
Search Thai Airways flights

Travelling to a place near Sydney?

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Penrith
Katoomba
Lithgow
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Manly
Bondi Beach
Coogee
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Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Chiang Mai to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chiang Mai to Sydney . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chiang Mai to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Chiang Mai on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chiang Mai to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Chiang Mai. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chiang Mai to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Chiang Mai and alert you when they change.

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