Question 1

What are the cheapest airlines flying from Bangkok to Sydney round-trip?

Accepted Answer

Cheapflights users have booked flights from Bangkok to Sydney return from ฿13,116. Another airline that can offer you cheap pricing is China Southern. You may be able to fly from Bangkok to Sydney for 44% less than the average price by searching for these airlines. Find deals

Question 2

What are the cheapest airlines to fly from Bangkok to Sydney one-way?

Accepted Answer

One-way options have recently been found by users for as low as ฿5,700 on Scoot. Other airlines that offer cheap prices include แอร์เอเชีย from ฿5,862 and ไห่หนานแอร์ไลน์ from ฿6,671 one-way. Find deals

Question 3

How far ahead should I book a flight from Bangkok to Sydney?

Accepted Answer

The best time to book flights from Bangkok to Sydney is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight. Find deals

Question 4

What is the cheapest day to fly from Bangkok to Sydney?

Accepted Answer

Travellers seeking maximum savings on their Bangkok to Sydney flight should consider departing on Wednesday at midday when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

Question 5

Weekly flight availability from Bangkok to Sydney

Accepted Answer

The most flights from TH1 to SYD 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).

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches 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.

Question 7

E

Accepted Answer

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).

Question 8

What are the cheapest flights from Bangkok to Sydney?

Accepted Answer

Looking at all options, your cheapest flight can be booked for ฿14,729. While the most popular route (Bangkok Suvarnabhumi - Sydney Kingsford Smith) can be booked for ฿10,784 on average our data indicates ฿54,065 when flying from Bangkok to Sydney.

Question 9

What are the most reliable airlines from Bangkok to Sydney?

Accepted Answer

Consider เตอร์กิชแอร์ไลน์ (80%), โอมานแอร์ (76%) or Thai Airways (76%) when booking your flight. These represent the most reliable airlines when flying from Bangkok to Sydney.

Question 10

What are the most popular airlines that fly from Bangkok to Sydney?

Accepted Answer

The most popular airlines flying from Bangkok to Sydney are ซื่อชวนแอร์ไลน์, Cathay Pacific and China Southern. Something to consider prior to booking your flight.

Question 11

What is the cheapest day to fly return from Bangkok to Sydney?

Accepted Answer

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Sydney. Check prices with Cheapflights to find a great deal for your trip.

Question 12

How far in advance should I book a flight from Bangkok to Sydney?

Accepted Answer

To save on the cost of your flight from Bangkok to Sydney, book at least 48 days before your planned departure. Booking around this time can save you about 65% on the cost of this flight compared to booking a flight leaving this week. We have found prices from ฿23,867 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as ฿31,056.

Question 13

What is the cheapest month to fly from Bangkok to Sydney?

Accepted Answer

The best pricing can be found in the month of December. Prices to Sydney from Bangkok average ฿23,519. You can even find prices in December for less than ฿23,519, as users have found deals to Sydney from as low as ฿12,079. The month of January appears to be one of the more expensive times to travel to Sydney from Bangkok. Flying in the targeted month can save you up to 18%.

Question 14

What is the cheapest time of day to fly from BKK to SYD?

Accepted Answer

It’s optimal to fly from Bangkok to Sydney at midday. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the morning.

Question 15

What airport do you fly into for flights to Sydney from Bangkok?

Accepted Answer

Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Bangkok. On average, Kingsford Smith has 18 inbound flights from Bangkok per day from 11 airlines. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

Question 16

Can I find deals for flights from Bangkok to Sydney that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Bangkok to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 17

How can I find direct flights from Bangkok to Sydney?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Sydney.

Question 18

Can I find deals for business class flights from Bangkok to Sydney?

Accepted Answer

Yes. Cheapflights offers flight deals from Bangkok to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 19

How does Cheapflights help users find flights from Bangkok to Sydney?

Accepted Answer

Cheapflights helps you search for flights from Bangkok to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 20

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

Accepted Answer

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

Question 21

Can Cheapflights find flights from Bangkok to Sydney with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Bangkok to Sydney, users can toggle the no change fees filter when performing a flight search.

Question 22

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

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Bangkok today and book when prices fit your budget.

Round-trip from	฿13,116
One-way from	฿5,700
Popular in	January
Cheapest in	December
Average price	฿24,547

Airline	Cheapest	Average	Flexibility	On-time
Thai AirAsia X	Cheapest฿5,784	Average฿15,666	FlexibilityNo cancel fee	On-timeN/A	Search Thai AirAsia X flights
Scoot	Cheapest฿10,361	Average฿13,315	FlexibilityNo cancel fee	On-timeN/A	Search Scoot flights
China Southern	Cheapest฿13,268	Average฿14,102	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Philippine Airlines	Cheapest฿13,939	Average฿17,158	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
ซื่อชวนแอร์ไลน์	Cheapest฿14,504	Average฿14,876	FlexibilityNo cancel fee	On-time63%	Search ซื่อชวนแอร์ไลน์ flights
Malaysia Airlines	Cheapest฿17,818	Average฿21,597	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Cathay Pacific	Cheapest฿18,755	Average฿25,609	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Singapore Airlines	Cheapest฿20,089	Average฿23,732	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
แควนตัสแอร์เวย์	Cheapest฿20,331	Average฿25,456	FlexibilityNo cancel fee	On-time74%	Search แควนตัสแอร์เวย์ flights
Emirates	Cheapest฿21,537	Average฿23,400	FlexibilityNo cancel fee	On-time75%	Search Emirates flights

Cheap flights from Bangkok to Sydney from ฿5,700

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Bangkok to Sydney Kingsford Smith are usually found in December or August, booked 86 days in advance, depart on a Sunday or Wednesday and return on a Friday

Cheap flight deals from Bangkok to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Bangkok to Sydney

Cheapest flights from Bangkok to SydneyExplore the most affordable flight options available from Bangkok to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Explore the most affordable flight options available from Bangkok to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bangkok to Sydney that are best for you.

Best time to book a flight from Bangkok to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Bangkok with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Bangkok to Sydney

How far ahead should I book a flight from Bangkok 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.

What is the cheapest time of day to fly from BKK to SYD?

Find hourly flight availability from Bangkok to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 July 2025.

What is the cheapest day to fly from Bangkok 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.

Weekly flight availability from Bangkok to Sydney

Explore weekly flight availability from Bangkok to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 3 July 2025.

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 3 July 2025.

Get a feel of what it's like to fly with ไห่หนานแอร์ไลน์, China Southern, andCebu Pacific from Bangkok to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Bangkok?

What are the cheapest airlines flying from Bangkok to Sydney round-trip?

What are the cheapest airlines to fly from Bangkok to Sydney one-way?

What are the most reliable airlines from Bangkok to Sydney?

What are the cheapest flights from Bangkok to Sydney?

Can I find deals for flights from Bangkok to Sydney that include hotel bookings?

How can I find direct flights from Bangkok to Sydney?

Can I find deals for business class flights from Bangkok to Sydney?

Travelling to a place near Bangkok?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bangkok to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Bangkok to Sydney

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Bangkok to Sydney?

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

Can Cheapflights find flights from Bangkok to Sydney with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Bangkok to Sydney
Explore the most affordable flight options available from Bangkok to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.