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฿6,165+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
— SYD
26 Mar — 2 Apr1
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 21 March 2025.

Return from

฿14,250

One-way from

฿6,165

Popular in

January

Cheapest in

May

Average price

฿23,109
Scoot
  • Scoot
  • 11/4-19/5
  • 2 total stops
  • 36h 05m total
  • Bangkok to Sydney
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Scoot
  • Scoot
  • 4/5
  • 1 total stop
  • 31h 30m total
  • Bangkok to Sydney
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (฿25,501 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿10,848 potential savings vs. average return price).
Search Deals
Average for return flights in March 2025
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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 21 March 2025.

Fri 11/401:05BKK - SYD
1 stop15h 25mScoot
Mon 19/520:45SYD - BKK
1 stop20h 40mScoot
Deal found 20/3฿14,250
Sat 12/416:00DMK - SYD
1 stop12h 50mMultiple Airlines
Mon 19/512:50SYD - DMK
1 stop12h 20mMultiple Airlines
Deal found 20/3฿14,283
Fri 21/311:25BKK - SYD
1 stop28h 55mMultiple Airlines
Fri 28/314:05SYD - BKK
1 stop31h 25mMultiple Airlines
Deal found 20/3฿14,283
Wed 16/412:20BKK - SYD
1 stop15h 05mChina Southern
Tue 20/521:45SYD - BKK
1 stop15h 35mChina Southern
Deal found 20/3฿14,789
Wed 7/523:20BKK - SYD
1 stop29h 40mPhilippine Airlines
Thu 15/510:10SYD - BKK
1 stop15h 15mPhilippine Airlines
Deal found 20/3฿15,462
Tue 25/301:45BKK - SYD
1 stop28h 40mXiamenAir
Thu 3/412:25SYD - BKK
1 stop16h 25mXiamenAir
Deal found 21/3฿15,799
Fri 21/302:20BKK - SYD
1 stop28h 40mChina Eastern
Tue 1/412:20SYD - BKK
3 stops28h 00mChina Eastern
Deal found 21/3฿15,833

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 21 March 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

Fri 11/4

01:05-19:30

1 stop15h 25m

Sydney Kingsford Smith

Mon 19/5

20:45-14:25

1 stop20h 40m

฿14,250

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 12/4

16:00-07:50

1 stop12h 50m

Sydney Kingsford Smith

Mon 19/5

12:50-22:10

1 stop12h 20m

฿14,283

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Mon 14/4

15:45-07:20

1 stop12h 35m

Sydney Kingsford Smith

Tue 20/5

20:45-08:05

1 stop14h 20m

฿14,317

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 16/4

12:20-06:25

1 stop15h 05m

Sydney Kingsford Smith

Wed 14/5

10:05-10:20

1 stop27h 15m

฿14,789

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Mon 19/5

01:50-09:20

1 stop28h 30m

Sydney Kingsford Smith

Sun 17/8

11:25-00:50

1 stop16h 25m

฿15,126

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 7/5

23:20-08:00

1 stop29h 40m

Sydney Kingsford Smith

Thu 15/5

10:10-22:25

1 stop15h 15m

฿15,462

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sun 8/6

01:30-14:15

1 stop33h 45m

Sydney Kingsford Smith

Tue 24/6

21:00-00:20

1 stop30h 20m

฿16,305

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 15/5

07:50-08:00

2 stops21h 10m

Sydney Kingsford Smith

Tue 20/5

11:20-12:20

3 stops28h 00m

฿19,640

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Mon 1/9

18:40-10:00

1 stop12h 20m

Sydney Kingsford Smith

Tue 23/9

13:05-23:05

1 stop13h 00m

฿20,650

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 20/8

03:25-09:45

1 stop27h 20m

Sydney Kingsford Smith

Tue 26/8

11:15-01:50

1 stop17h 35m

฿21,021

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 26 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 14 March 2025.

To ensure you get the cheapest price possible for a flight to Sydney, you should look to book at least 86 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 55 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 16 March 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 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 most popular airlines that fly to Sydney?

The most popular airlines flying from Bangkok to Sydney are Thai Airways, Thai AirAsia X and แควนตัสแอร์เวย์.

Thai Airways

Thai Airways

From ฿674

Thai AirAsia X

Thai AirAsia X

From ฿360

แควนตัสแอร์เวย์

แควนตัสแอร์เวย์

From ฿628

Scoot

Scoot

From ฿320

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 21 March 2025.
To help decide which airline to fly to Sydney, see what other customers have to say about Singapore Airlines, ไห่หนานแอร์ไลน์ and Vietnam Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,282 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.7

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,282 reviews
Singapore Airlines
8.1
Very Good
1,282 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.7

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
ไห่หนานแอร์ไลน์
7.8
Good
31 reviews
Singapore Airlines
8.1
Very Good
1,282 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.7

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Vietnam Airlines
7.6
Good
191 reviews
Singapore Airlines
8.1
Very Good
1,282 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.7

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
China Southern
7.5
Good
90 reviews
Singapore Airlines
8.1
Very Good
1,282 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.7

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Malaysia Airlines
7.3
Good
251 reviews
Singapore Airlines
8.1
Very Good
1,282 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.7

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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, 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 ฿4,038, while return flights cost around ฿24,118.

  • How much is a return flight to Sydney?

    A return flight to Sydney will typically cost around ฿2,030, however they can be found for as little as ฿716.

  • 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 40 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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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.

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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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