฿5,894+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SYD
19 Aug — 26 Aug1
1 adult

Flights to Sydney in 2025

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 14 August 2025.

Return from

฿11,301

One-way from

฿5,894

Popular in

January

Cheapest in

July

Average price

฿22,149
Scoot
  • Scoot
  • 30/8-14/10
  • 2 total stops
  • 51h 35m total
  • Bangkok to Sydney
Scoot
  • Scoot
  • 2/9
  • 1 total stop
  • 12h 10m total
  • Bangkok to Sydney
Highest demand for flights based on searches. 3% potential increase in price (฿29,429 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿14,190 potential savings vs. average return price).
Average for return flights in August 2025

Find flight deals to Sydney

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 14 August 2025.

Sat 30/819:55BKK - SYD
1 stop32h 25mMultiple Airlines
Tue 14/1021:25SYD - BKK
1 stop19h 10mMultiple Airlines
Deal found 14/8฿11,301
Wed 22/1009:05BKK - SYD
1 stop23h 30mScoot
Sun 26/1020:05SYD - BKK
1 stop23h 55mScoot
Deal found 14/8฿11,658
Thu 23/1017:00BKK - SYD
1 stop15h 35mScoot
Sat 1/1120:05SYD - BKK
1 stop25h 30mScoot
Deal found 13/8฿11,819
Sun 2/1101:35BKK - SYD
1 stop33h 20mMultiple Airlines
Fri 7/1120:05SYD - BKK
1 stop26h 55mMultiple Airlines
Deal found 14/8฿11,884
Thu 25/913:50BKK - SYD
1 stop14h 30mMultiple Airlines
Tue 14/1021:25SYD - BKK
1 stop14h 40mMultiple Airlines
Deal found 13/8฿11,917
Tue 30/913:50BKK - SYD
1 stop14h 30mMultiple Airlines
Tue 14/1021:25SYD - BKK
1 stop19h 10mMultiple Airlines
Deal found 12/8฿11,981
Thu 6/1120:00BKK - SYD
1 stop18h 50mScoot
Tue 11/1120:05SYD - BKK
1 stop25h 30mScoot
Deal found 14/8฿12,046
Sat 25/1019:55BKK - SYD
1 stop32h 25mMultiple Airlines
Sat 1/1120:05SYD - BKK
1 stop25h 30mMultiple Airlines
Deal found 13/8฿12,143
Tue 21/1010:50BKK - SYD
1 stop29h 20mScoot
Sun 26/1020:05SYD - BKK
1 stop23h 55mScoot
Deal found 13/8฿12,240
Sat 1/1120:00BKK - SYD
1 stop18h 50mScoot
Sat 15/1114:20SYD - BKK
1 stop32h 40mScoot
Deal found 13/8฿12,467
Wed 3/907:30DMK - SYD
2 stops33h 00mMultiple Airlines
Wed 10/912:50SYD - DMK
2 stops27h 40mMultiple Airlines
Deal found 12/8฿13,341
Sun 7/913:40DMK - SYD
1 stop17h 30mMultiple Airlines
Sat 13/914:25SYD - DMK
1 stop12h 05mMultiple Airlines
Deal found 13/8฿13,471

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 14 August 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

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 22/10

09:05-12:35

1 stop23h 30m

Sydney Kingsford Smith

Sun 26/10

20:05-16:00

1 stop23h 55m

฿11,658

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sat 27/9

19:55-07:20

1 stop32h 25m

Sydney Kingsford Smith

Tue 30/9

21:00-18:15

1 stop24h 15m

฿13,115

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Wed 3/9

07:30-19:30

2 stops33h 00m

Sydney Kingsford Smith

Wed 10/9

12:50-13:30

2 stops27h 40m

฿13,341

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Tue 16/9

13:40-10:10

1 stop17h 30m

Sydney Kingsford Smith

Thu 2/10

21:15-21:30

2 stops27h 15m

฿13,406

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Wed 3/9

07:30-19:30

2 stops33h 00m

Sydney Kingsford Smith

Sun 7/9

12:50-09:55

2 stops24h 05m

฿13,406

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Tue 2/9

07:30-10:10

1 stop23h 40m

Sydney Kingsford Smith

Sat 6/9

21:15-23:30

2 stops29h 15m

฿13,503

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Tue 16/9

13:40-10:10

1 stop17h 30m

Sydney Kingsford Smith

Fri 3/10

09:15-10:45

2 stops28h 30m

฿13,568

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Wed 3/9

19:50-20:00

1 stop21h 10m

Sydney Kingsford Smith

Tue 9/9

21:15-07:50

1 stop13h 35m

฿13,600

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 16/9

20:25-11:35

1 stop12h 10m

Sydney Kingsford Smith

Tue 30/9

21:00-10:00

1 stop16h 00m

฿13,698

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 17/12

11:10-14:55

1 stop23h 45m

Sydney Kingsford Smith

Thu 8/1

21:00-00:25

1 stop31h 25m

฿13,795

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 39 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 8 August 2025.

To ensure you get the cheapest price possible for a flight to Sydney, you should look to book at least 4 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 11 hours 17 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 10 August 2025.

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

Weekly flight availability to Sydney

The most flights from Bangkok to Sydney are scheduled on a Monday (18 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (16 on average).

What are the cheapest airlines that fly to Sydney?

The cheapest airlines flying from Bangkok to Sydney are Thai AirAsia X, Scoot 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 14 August 2025.
Read reviews from past customers who have flown Thai Airways, China Southern, andแควนตัสแอร์เวย์ to Australia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.9

Entertainment

6.8

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Boarding

7.9

Entertainment

6.8

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Boarding

7.9

Entertainment

6.8

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Boarding

7.9

Entertainment

6.8

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Boarding

7.9

Entertainment

6.8

Crew

8.3

Food

7.3

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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 11 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, Thai AirAsia X 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 ฿3,287, while return flights cost around ฿1,868.

  • How much is a return flight to Sydney?

    A return flight to Sydney will typically cost around ฿67, however they can be found for as little as ฿58.

  • 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 45 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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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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