SYD - CNX

£372 Find Cheap Flights from Sydney to Chiang Mai – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£372
Typical prices: £417-£754
Multiple Airlines
Sun 14/10Wed 24/10
SYD - CNX • 1 stop
Cheapest one-way flight
£952
Typical prices: £184-£336
Multiple Airlines
Sat 20/10
SYD - CNX • 3 stops
Direct flights
Not available
There are currently no direct flights between Sydney and Chiang Mai. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
24 weeks
in advance
Our data shows that travellers who book at least 24 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 47% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Kuala Lumpur Intl (KUL)
Cheapest • Avg £528 (return)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 14h 54m (one-way)
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Insights
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We hope you enjoy your trip to Chiang Mai!
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Flight Deals

Cheap Flights from Sydney to Chiang Mai (SYD-CNX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Sydney to Chiang Mai

Wed, 14 Oct - Sat, 24 Oct
Multiple Airlines Logo
21:50 - 15:10SYD  Sydney Kingsford Smith-CNX Chiang Mai
21h 20m1 stop Kuala Lumpur Intl
Multiple Airlines Logo
15:40 - 09:20CNX  Chiang Mai-SYD Sydney Kingsford Smith
13h 40m1 stop Kuala Lumpur Intl
£372Multiple Airlines
Sat, 10 Oct - Wed, 11 Nov
Malaysia Airlines Logo
22:10 - 11:40SYD  Sydney Kingsford Smith-CNX Chiang Mai
17h 30m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
12:25 - 07:55CNX  Chiang Mai-SYD Sydney Kingsford Smith
15h 30m1 stop Kuala Lumpur Intl
£530Malaysia Airlines
Sat, 10 Oct - Sun, 8 Nov
Malaysia Airlines Logo
22:10 - 11:40SYD  Sydney Kingsford Smith-CNX Chiang Mai
17h 30m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
12:25 - 07:55CNX  Chiang Mai-SYD Sydney Kingsford Smith
15h 30m1 stop Kuala Lumpur Intl
£684Malaysia Airlines
Tue, 13 Oct - Sat, 14 Nov
Malaysia Airlines Logo
12:00 - 11:40SYD  Sydney Kingsford Smith-CNX Chiang Mai
27h 40m2 stops Perth Kuala Lumpur Intl
Malaysia Airlines Logo
14:45 - 10:20CNX  Chiang Mai-SYD Sydney Kingsford Smith
15h 35m1 stop Kuala Lumpur Intl
£687Malaysia Airlines
Sat, 10 Oct - Sat, 14 Nov
Malaysia Airlines Logo
22:10 - 11:40SYD  Sydney Kingsford Smith-CNX Chiang Mai
17h 30m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
14:45 - 06:05CNX  Chiang Mai-SYD Sydney Kingsford Smith
35h 20m2 stops Kuala Lumpur Intl Perth
£694Malaysia Airlines
Tue, 13 Oct - Wed, 11 Nov
Malaysia Airlines Logo
22:10 - 11:40SYD  Sydney Kingsford Smith-CNX Chiang Mai
17h 30m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
12:25 - 07:55CNX  Chiang Mai-SYD Sydney Kingsford Smith
15h 30m1 stop Kuala Lumpur Intl
£697Malaysia Airlines
Sat, 10 Oct - Tue, 10 Nov
Malaysia Airlines Logo
22:10 - 11:40SYD  Sydney Kingsford Smith-CNX Chiang Mai
17h 30m1 stop Kuala Lumpur Intl
Malaysia Airlines Logo
14:45 - 06:05CNX  Chiang Mai-SYD Sydney Kingsford Smith
35h 20m2 stops Kuala Lumpur Intl Perth
£707Malaysia Airlines
Tue, 13 Oct - Tue, 10 Nov
Malaysia Airlines Logo
12:00 - 11:40SYD  Sydney Kingsford Smith-CNX Chiang Mai
27h 40m2 stops Perth Kuala Lumpur Intl
Malaysia Airlines Logo
14:45 - 06:05CNX  Chiang Mai-SYD Sydney Kingsford Smith
35h 20m2 stops Kuala Lumpur Intl Perth
£710Malaysia Airlines
Thu, 8 Oct - Sat, 14 Nov
Malaysia Airlines Logo
12:30 - 11:40SYD  Sydney Kingsford Smith-CNX Chiang Mai
27h 10m2 stops Perth Kuala Lumpur Intl
Malaysia Airlines Logo
14:45 - 10:20CNX  Chiang Mai-SYD Sydney Kingsford Smith
15h 35m1 stop Kuala Lumpur Intl
£711Malaysia Airlines
Thu, 8 Oct - Wed, 11 Nov
Malaysia Airlines Logo
12:30 - 11:40SYD  Sydney Kingsford Smith-CNX Chiang Mai
27h 10m2 stops Perth Kuala Lumpur Intl
Malaysia Airlines Logo
12:25 - 06:05CNX  Chiang Mai-SYD Sydney Kingsford Smith
37h 40m2 stops Kuala Lumpur Intl Perth
£721Malaysia Airlines
Booking Insights

Price, demand, and travel trends for Sydney to Chiang Mai flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Sydney to Chiang Mai with more confidence.

What's the cheapest day of the week to fly from Sydney to Chiang Mai?

Thursday is the cheapest day of the week to fly from Sydney to Chiang Mai and is 19% cheaper than the average day. Saturday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • March is the cheapest month to fly from Sydney to Chiang Mai at £327 return.
  • December (£815) and January (£684) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 148% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Sydney to Chiang Mai the cheapest?

Flights from Sydney to Chiang Mai are cheapest 24 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Sydney to Chiang Mai flights

Low season

June

Cheapest flight

£952
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly (33% more expensive on average)
Flights from Sydney to Chiang Mai

When to book flights from Sydney to Chiang Mai

Are your dates flexible? Find out the best times to travel from Sydney to Chiang Mai based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Sydney to Chiang Mai flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Sydney to Chiang Mai?

    Flights from Sydney to Chiang Mai usually depart from Sydney Kingsford Smith (SYD) and arrive at Chiang Mai (CNX).

  • Which cabin classes can I book on flights from Sydney to Chiang Mai?

    Only Economy class is available on flights from Sydney to Chiang Mai.

  • Which airports do connecting flights from Sydney to Chiang Mai pass through?

    One-stop flights from Sydney to Chiang Mai most commonly connect through:

    • Kuala Lumpur Intl (KUL) – 40% of one-stop connections
    • Bangkok Suvarnabhumi (BKK) – 31% of one-stop connections
    • Singapore Changi (SIN) – 22% of one-stop connections
    • Hong Kong Intl (HKG) – 3% of one-stop connections

    Kuala Lumpur Intl (KUL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Sydney to Chiang Mai?

    Yes. Being flexible with your travel dates can save you up to 28% on the Sydney to Chiang Mai route. Thursday is the cheapest departure day at £502 return on average, while Saturday is the most expensive at £689, a difference of £187. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Chiang Mai?

    Some of the most popular sights in Chiang Mai are Chiang Mai Night Bazaar, Suan Dok Gate, and Sunday Walking Street Market. These are among the most viewed places in Chiang Mai on KAYAK.

  • How expensive are last-minute Sydney to Chiang Mai flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 7% above the route average of £615. Book 24 weeks before departure for the lowest fares.

  • How long is a flight from Sydney to Chiang Mai?

    A direct flight from Sydney to Chiang Mai takes 0h 00m, covering 5,001 miles.

  • Do I need a passport to fly from Sydney to Chiang Mai?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Sydney to Chiang Mai changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £372 to £3,143. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Sydney to Chiang Mai looking right now?

    One-way fares from Sydney to Chiang Mai are currently higher than usual. Average one-way flight prices are about £1,095, which is 371% above the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Sydney to Chiang Mai?

    Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 14h 54m, compared to 15h 18m via Hong Kong Intl (HKG) and 16h 12m via Kuala Lumpur Intl (KUL).

  • What is the time difference between Sydney and Chiang Mai?

    Chiang Mai is 3 hours behind Sydney (Indochina Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Chiang Mai Airport (CNX)?

    Chiang Mai Airport (CNX) hosts 5 major car hire companies, with daily rates starting from around £9 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Hertz
    • Yesaway

  • How much should I expect to pay for a Sydney to Chiang Mai flight?

    Return flights from Sydney to Chiang Mai range from £417 to £754, with an average of £615 over the past 12 months. Anything below £417 counts as a good deal.

Your guide to booking Sydney to Chiang Mai flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure instead of Saturday. On this route, Thursday flights average £502 – about £187 less than Saturday (27% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 33% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Sydney to Chiang Mai trip for March. Fares historically average £327 return in that month – typically £488 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Chiang Mai Airport.
    - Le Naview @Prasingh
    - Bodhi Serene, Chiang Mai
    - 99 The Gallery Hotel

More options for your flight from Sydney to Chiang Mai

Complete your trip to Chiang Mai with a hotel stay or car hire

Car hire in Chiang Mai
Hotels in Chiang Mai
Holidays in Chiang Mai