฿6,240+ Cheap flights to Sydney

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
— SYD
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Sydney in 2025

Enter your travel dates to find the best prices.

Cheapest flights to Sydney
Explore the most affordable flight options available to Sydney. Find the lowest fares based on data from user searches, with prices last updated on 5 December 2025.

Thu 25/1207:30DMK - SYD
1 stop20h 35mMultiple Airlines
Fri 9/112:30SYD - DMK
2 stops35h 20mMultiple Airlines
Deal found 3/12฿17,121
Wed 10/1206:25DMK - SYD
2 stops25h 55mMultiple Airlines
Wed 14/120:05SYD - DMK
2 stops27h 05mMultiple Airlines
Deal found 5/12฿17,601
Fri 12/1219:10BKK - SYD
1 stop15h 45mไห่หนานแอร์ไลน์
Tue 16/1219:40SYD - BKK
1 stop26h 25mไห่หนานแอร์ไลน์
Deal found 5/12฿17,601
Thu 25/1217:05BKK - SYD
2 stops15h 15mMultiple Airlines
Fri 9/112:30SYD - BKK
1 stop16h 15mMultiple Airlines
Deal found 3/12฿18,049
Wed 10/1211:10BKK - SYD
1 stop23h 45mไห่หนานแอร์ไลน์
Mon 15/1221:00SYD - BKK
1 stop25h 05mไห่หนานแอร์ไลน์
Deal found 4/12฿18,209
Wed 10/1215:25BKK - SYD
2 stops16h 55mMultiple Airlines
Wed 14/118:25SYD - BKK
2 stops20h 20mMultiple Airlines
Deal found 5/12฿18,241
Thu 11/1211:10BKK - SYD
1 stop24h 10mไห่หนานแอร์ไลน์
Mon 15/1219:40SYD - BKK
1 stop26h 25mไห่หนานแอร์ไลน์
Deal found 4/12฿18,401
Wed 10/1219:10BKK - SYD
1 stop15h 45mไห่หนานแอร์ไลน์
Wed 17/1219:40SYD - BKK
1 stop18h 25mไห่หนานแอร์ไลน์
Deal found 3/12฿18,433
Mon 8/1219:10BKK - SYD
1 stop15h 45mไห่หนานแอร์ไลน์
Mon 15/1221:00SYD - BKK
1 stop25h 05mไห่หนานแอร์ไลน์
Deal found 3/12฿18,497
Sun 21/1211:10BKK - SYD
1 stop26h 10mไห่หนานแอร์ไลน์
Wed 31/1221:00SYD - BKK
1 stop25h 05mไห่หนานแอร์ไลน์
Deal found 5/12฿18,689
Sun 7/1211:10BKK - SYD
1 stop24h 10mไห่หนานแอร์ไลน์
Tue 9/1221:00SYD - BKK
1 stop25h 05mไห่หนานแอร์ไลน์
Deal found 3/12฿18,721
Sat 6/1219:10BKK - SYD
1 stop16h 10mไห่หนานแอร์ไลน์
Wed 10/1221:00SYD - BKK
1 stop17h 05mไห่หนานแอร์ไลน์
Deal found 5/12฿18,785

Find flight deals to Sydney

Find the latest flights to Sydney in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 5 December 2025.

Return from

฿16,961

One-way from

฿6,240

Popular in

January

Cheapest in

July

Average price

฿24,257
22/5-6/6
  • 22/5-6/6
  • 4 total stops
  • 58h 05m total
  • Bangkok to Sydney
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 15/12
  • 1 total stop
  • 18h 10m total
  • Bangkok to Sydney
Highest demand for flights based on searches. 7% potential increase in price (฿2,090 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿645 potential savings vs. average return price).
Average for return flights in December 2025

Cheapflights Fare Finder

 
Locate flights to Sydney that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 5 December 2025.
Use the filters below to find and compare flights to Sydney that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 4/4

17:50-09:50

1 stop12h 00m

Sydney Kingsford Smith

Mon 10/8

20:50-13:05

2 stops19h 15m

฿17,473

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 7/3

18:40-20:35

1 stop21h 55m

Sydney Kingsford Smith

Wed 18/3

21:50-20:45

1 stop26h 55m

฿17,729

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 25/12

07:55-08:05

2 stops20h 10m

Sydney Kingsford Smith

Fri 9/1

12:30-19:50

2 stops35h 20m

฿18,081

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 30/3

16:55-09:50

1 stop12h 55m

Sydney Kingsford Smith

Fri 10/4

10:15-11:20

2 stops28h 05m

฿18,209

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 4/4

10:00-07:30

2 stops17h 30m

Sydney Kingsford Smith

Sat 18/4

21:15-07:50

1 stop13h 35m

฿18,689

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 6/3

16:50-09:15

1 stop12h 25m

Sydney Kingsford Smith

Tue 17/3

21:50-09:20

1 stop15h 30m

฿19,649

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 17/5

07:30-07:20

1 stop20h 50m

Sydney Kingsford Smith

Sun 28/6

20:50-13:40

1 stop19h 50m

฿19,777

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 4/4

16:00-08:55

1 stop12h 55m

Sydney Kingsford Smith

Sun 19/4

20:50-09:30

2 stops15h 40m

฿20,129

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 22/12

16:50-09:15

1 stop12h 25m

Sydney Kingsford Smith

Thu 15/1

10:45-19:10

1 stop12h 25m

฿20,513

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 30/1

06:00-09:40

2 stops23h 40m

Sydney Kingsford Smith

Sun 8/2

10:45-19:10

1 stop12h 25m

฿20,641

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 43 results
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Best time to book a flight to Sydney

Have a flexible travel schedule? Discover the best time to fly to 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 to Sydney

When is the best time to book a flight to Sydney?

Use this chart to determine the optimal time to book a return flight from Bangkok to Sydney. Price data was last updated on 28 November 2025.

To ensure you get the cheapest price possible for a flight to Sydney, you should look to book at least 79 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.

How long is the flight to Sydney?

On average, a flight from Bangkok to Sydney takes 10 hours 50 minutes. Flights to Sydney from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Sydney?

Use this chart to determine the cheapest time to fly return from Bangkok to Sydney. Price data was last updated on 29 November 2025.

Users looking for the lowest fares to Sydney should consider flying on Thursday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday evenings, when prices are usually at their highest.

Weekly flight availability to Sydney

The most flights from Bangkok to Sydney are scheduled on a Monday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).

What are the cheapest airlines that fly to Sydney?

The cheapest airlines flying from Bangkok to Sydney are Scoot, Thai AirAsia X and China Southern.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 mm per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 5 December 2025.
Read reviews from past customers who have flown Emirates, Thai Airways, andแควนตัสแอร์เวย์ to Australia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane

FAQs about flying to Sydney

  • What airport do you fly into for flights to Sydney?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney. Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre. There are 17 flights from Bangkok to Kingsford Smith per day from 9 different airlines.

  • Can I find cheaper flights to Sydney if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Sydney on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Sydney?

    Based on reviews from Cheapflights users, Scoot is rated the highest out of the airlines that fly to Sydney.

  • What is the cheapest airport to fly to in Sydney?

    Sydney Kingsford Smith is currently the cheapest airport to fly to in Sydney. One-way flights to Sydney Kingsford Smith typically cost ฿10,182, while return flights cost around ฿6,534.

  • How much is a return flight to Sydney?

    A return flight to Sydney will typically cost around ฿6,534, however they can be found for as little as ฿6,534.

  • Where does the fastest flight to Sydney depart from?

    For those looking to save time traveling to Sydney, Phuket City offers the quickest one-way flight (8 hours 55 minutes).

  • Does Sydney Kingsford Smith have rental cars?

    Yes. Those touching down at Sydney Kingsford Smith can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Sydney Kingsford Smith?

    Yes. Sydney Kingsford Smith has hotels nearby for those requiring accommodations. Aerotel Sydney - Inside International Terminal Airport is the closest property to Sydney Kingsford Smith (0.0 km away from Sydney Kingsford Smith).

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong

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Why should you use Cheapflights to find cheap flight tickets to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights to Sydney with no change fees?

Certainly. Search results for flights to Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Sydney flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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