฿6,230+ 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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
— SYD
30 Jan — 6 Feb1
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 31 December 2025.

Tue 30/1217:35BKK - SYD
1 stop13h 55mMultiple Airlines
Sat 28/220:05SYD - BKK
1 stop25h 20mMultiple Airlines
Deal found 29/12฿17,683
Wed 31/1221:25DMK - SYD
2 stops30h 00mMultiple Airlines
Wed 7/110:45SYD - DMK
1 stop12h 25mMultiple Airlines
Deal found 30/12฿17,840
Wed 31/1210:40DMK - SYD
2 stops18h 35mMultiple Airlines
Tue 6/121:50SYD - DMK
1 stop17h 45mMultiple Airlines
Deal found 29/12฿18,658
Tue 30/1218:40DMK - SYD
1 stop21h 55mMultiple Airlines
Tue 6/121:50SYD - DMK
1 stop17h 45mMultiple Airlines
Deal found 29/12฿18,690
Wed 31/1217:05BKK - SYD
1 stop13h 35mMultiple Airlines
Wed 7/121:50SYD - BKK
2 stops30h 09mMultiple Airlines
Deal found 30/12฿19,162
Wed 31/1220:05BKK - SYD
1 stop32h 00mVietJet Air
Wed 7/111:15SYD - BKK
1 stop29h 45mVietJet Air
Deal found 29/12฿21,050
Tue 30/1220:05BKK - SYD
1 stop32h 00mVietJet Air
Tue 6/111:15SYD - BKK
1 stop29h 45mVietJet Air
Deal found 29/12฿21,931
Mon 29/1202:20BKK - SYD
1 stop25h 00mMultiple Airlines
Tue 6/110:45SYD - BKK
2 stops16h 10mMultiple Airlines
Deal found 29/12฿23,252
Wed 31/1212:15BKK - SYD
1 stop18h 10mXiamenAir
Mon 5/112:30SYD - BKK
1 stop16h 15mXiamenAir
Deal found 29/12฿23,535
Wed 31/1217:25DMK - SYD
1 stop13h 15mMultiple Airlines
Sun 4/114:25SYD - DMK
2 stops35h 35mMultiple Airlines
Deal found 30/12฿24,479

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 31 December 2025.

Return from

฿16,771

One-way from

฿6,230

Popular in

January

Cheapest in

July

Average price

฿25,486
Scoot
  • Scoot
  • 8/2-7/4
  • 3 total stops
  • 49h 20m total
  • Bangkok to Sydney
VietJet Air
  • VietJet Air
  • 26/4
  • 1 total stop
  • 32h 25m total
  • Bangkok to Sydney
Highest demand for flights based on searches. 9% potential increase in price (฿2,485 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (฿627 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 31 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

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 31/3

13:50-08:20

1 stop14h 30m

Sydney Kingsford Smith

Sat 4/4

11:15-17:10

2 stops33h 55m

฿17,652

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 12/3

13:20-09:50

1 stop16h 30m

Sydney Kingsford Smith

Fri 20/3

11:35-17:50

1 stop34h 15m

฿18,973

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sat 21/2

23:10-12:20

1 stop33h 10m

Sydney Kingsford Smith

Fri 6/3

10:20-16:10

Nonstop9h 50m

฿19,067

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Wed 28/1

12:10-11:50

2 stops19h 40m

Sydney Kingsford Smith

Sun 1/2

10:45-19:10

1 stop12h 25m

฿19,351

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 21/2

08:35-09:15

1 stop20h 40m

Sydney Kingsford Smith

Fri 6/3

10:45-19:10

1 stop12h 25m

฿19,382

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Tue 31/3

07:30-07:25

2 stops19h 55m

Sydney Kingsford Smith

Sat 4/4

11:15-23:15

1 stop16h 00m

฿19,539

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Wed 18/2

12:10-06:15

1 stop14h 05m

Sydney Kingsford Smith

Wed 4/3

07:15-22:00

1 stop18h 45m

฿19,823

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sat 7/3

23:10-18:50

1 stop15h 40m

Sydney Kingsford Smith

Sat 14/3

10:20-16:10

Nonstop9h 50m

฿19,917

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 17/2

08:30-21:50

Nonstop9h 20m

Sydney Kingsford Smith

Thu 19/2

13:35-08:15

1 stop22h 40m

฿20,357

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Mon 9/3

23:50-09:50

1 stop30h 00m

Sydney Kingsford Smith

Fri 20/3

11:35-23:00

1 stop15h 25m

฿20,609

Flights are sorted by cheapest return flights first.

Deals found on 29/12

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 26 December 2025.

To ensure you get the cheapest price possible for a flight to Sydney, 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.

How long is the flight to Sydney?

On average, a flight from Bangkok to Sydney takes 11 hours 15 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.

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 Thursday, 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 Scoot, China Southern and Malaysia Airlines.

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 31 December 2025.
Read reviews from past customers who have flown Emirates, Thai Airways, andCathay Pacific to Australia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.2

Comfort

8.0

Food

7.9

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Entertainment

8.2

Comfort

8.0

Food

7.9

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Entertainment

8.2

Comfort

8.0

Food

7.9

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Entertainment

8.2

Comfort

8.0

Food

7.9

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Entertainment

8.2

Comfort

8.0

Food

7.9

Overall

8.1

Crew

8.3

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Entertainment

8.2

Comfort

8.0

Food

7.9

Overall

8.1

Crew

8.3

Boarding

8.1

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 16 flights from Bangkok to Kingsford Smith per day from 8 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 ฿6,444, while return flights cost around ฿6,424.

  • How much is a return flight to Sydney?

    A return flight to Sydney will typically cost around ฿6,424, however they can be found for as little as ฿6,424.

  • 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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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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