฿5,660+ 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 16/12. Fares are subject to change and may not be available on all flights or dates of travel.
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 30 June 2025.
Return from | ฿12,785 |
---|---|
One-way from | ฿5,660 |
Popular in | January |
Cheapest in | December |
Average price | ฿23,260 |
Find flight deals to Sydney
Cheapest flights to SydneyExplore the most affordable flight options available to Sydney. Find the lowest fares based on data from user searches, with prices last updated on 30 June 2025.
Explore the most affordable flight options available to Sydney. Find the lowest fares based on data from user searches, with prices last updated on 30 June 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 30 June 2025.
Use the filters below to find and compare flights to Sydney that are best for you.
Fly from
Route
Depart
Return
Price
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Thu 14/8
07:05-07:50
2 stops21h 45m
Sydney Kingsford Smith
Tue 26/8
20:45-08:05
1 stop14h 20m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Wed 3/9
09:05-11:35
1 stop23h 30m
Sydney Kingsford Smith
Fri 19/9
12:50-08:05
1 stop22h 15m
BangkokSydney
DMK - SYD
DMKSYD
Bangkok Don Mueang Intl
Tue 12/8
13:40-07:50
2 stops15h 10m
Sydney Kingsford Smith
Sat 16/8
21:15-12:00
1 stop17h 45m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Mon 1/9
03:00-19:40
1 stop13h 40m
Sydney Kingsford Smith
Wed 17/9
21:45-14:30
1 stop19h 45m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Tue 16/12
20:00-12:50
1 stop12h 50m
BangkokSydney
DMK - SYD
DMKSYD
Bangkok Don Mueang Intl
Thu 13/11
15:40-11:30
1 stop15h 50m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Thu 14/8
13:50-10:10
1 stop17h 20m
BangkokSydney
DMK - SYD
DMKSYD
Bangkok Don Mueang Intl
Wed 27/8
19:50-20:00
1 stop21h 10m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Sat 16/8
01:50-09:20
1 stop28h 30m
BangkokSydney
BKK - SYD
BKKSYD
Bangkok Suvarnabhumi
Wed 3/12
19:10-14:55
1 stop15h 45m
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.
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 27 June 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 11 hours 47 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 June 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 Wednesday mornings, 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 Monday, which is when the least amount of flights are scheduled (18 on average).
What are the most popular airlines that fly to Sydney?
The most popular airlines flying from Bangkok to Sydney are Thai Airways, แควนตัสแอร์เวย์ and Scoot.
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 30 June 2025.
Read reviews from past customers who have flown ไห่หนานแอร์ไลน์, China Southern, andCebu Pacific to Australia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Boarding
Crew
Comfort
Food
Reviews
Anonymous,Mar 2025
CAN - PEK
Entertainment
Overall
Boarding
Crew
Comfort
Food
Reviews
Anonymous,Mar 2025
CAN - PEK
Entertainment
Overall
Boarding
Crew
Comfort
Food
Reviews
Anonymous,Mar 2025
CAN - PEK
Entertainment
Overall
Boarding
Crew
Comfort
Food
Reviews
Anonymous,Mar 2025
CAN - PEK
Entertainment
Overall
Boarding
Crew
Comfort
Food
Reviews
Anonymous,Mar 2025
CAN - PEK
Entertainment
Overall
Boarding
Crew
Comfort
Food
Reviews
Anonymous,Mar 2025
CAN - PEK
FAQs about flying to Sydney
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How does Cheapflights help users find flights to Sydney?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
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.