Cheap flights from Bangkok to Sydney from ฿5,798

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
24 Jul — 31 Jul1
1 adult

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 Monday or Sunday and return on a Friday

Cheap flight deals from Bangkok to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 July 2025.

Round-trip from

฿11,951

One-way from

฿5,798

Popular in

January

Cheapest in

December

Average price

฿25,684
Scoot
  • Scoot
  • 14/9-18/9
  • 2 total stops
  • 46h 10m total
  • Bangkok to Sydney
Scoot
  • Scoot
  • 22/8
  • 1 total stop
  • 16h 05m total
  • Bangkok to Sydney
Highest demand for flights based on searches. 1% potential increase in price (฿13,529 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿12,446 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Bangkok to Sydney

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 19 July 2025.

Sun 14/909:05BKK - SYD
1 stop23h 10mScoot
Thu 18/920:45SYD - BKK
1 stop23h 00mScoot
Deal found 16/7฿11,951
Sat 30/823:00DMK - SYD
1 stop31h 45mMultiple Airlines
Tue 14/1022:15SYD - DMK
1 stop17h 45mMultiple Airlines
Deal found 18/7฿12,016
Thu 21/801:30BKK - SYD
1 stop33h 45mMultiple Airlines
Tue 26/820:45SYD - BKK
1 stop20h 40mMultiple Airlines
Deal found 16/7฿12,048
Thu 21/801:30BKK - SYD
1 stop33h 45mไห่หนานแอร์ไลน์
Sat 30/821:00SYD - BKK
1 stop16h 00mไห่หนานแอร์ไลน์
Deal found 18/7฿12,826
Sat 9/803:00BKK - SYD
1 stop13h 25mChina Southern
Sat 23/810:15SYD - BKK
1 stop14h 45mChina Southern
Deal found 18/7฿13,117

Cheapflights Fare Finder

Customise your flight search to find flights from Bangkok to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 19 July 2025.
Use the filters below to find and compare flights from Bangkok to Sydney that are best for you.

Fly from

Bangkok

Fly to

Sydney

Route

Depart

Return

Price

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sun 14/9

09:05-11:15

1 stop23h 10m

Sydney Kingsford Smith

Thu 18/9

20:45-16:45

1 stop23h 00m

฿11,951

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 30/8

23:00-09:45

1 stop31h 45m

Sydney Kingsford Smith

Tue 14/10

22:15-12:00

1 stop17h 45m

฿12,016

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 21/8

01:30-14:15

1 stop33h 45m

Sydney Kingsford Smith

Tue 26/8

20:45-14:25

1 stop20h 40m

฿12,048

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 21/8

01:30-14:15

1 stop33h 45m

Sydney Kingsford Smith

Sat 30/8

21:00-10:00

1 stop16h 00m

฿12,826

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sat 9/8

03:00-19:25

1 stop13h 25m

Sydney Kingsford Smith

Sat 23/8

10:15-22:00

1 stop14h 45m

฿13,117

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 22/8

00:25-19:30

1 stop16h 05m

฿5,798

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 30/10

13:20-09:15

1 stop15h 55m

฿5,895

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 21/8

11:30-11:35

2 stops21h 05m

฿6,121

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sun 24/8

01:30-14:15

1 stop33h 45m

฿6,219

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 2/9

03:25-09:45

1 stop27h 20m

฿6,963

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 13 results
1
2

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.
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 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 11 July 2025.

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.

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 19 July 2025.

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.

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 13 July 2025.

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. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 19 July 2025.

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).

How much does it cost for a return flight from Bangkok to Sydney?

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 19 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.

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Crew

8.9

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Crew

8.9

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Crew

8.9

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Crew

8.9

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Crew

8.9

Entertainment

7.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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?

    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.

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

    Cheapflights users have booked flights from Bangkok to Sydney return from ฿11,951. Other airlines that can offer you cheap pricing are ไห่หนานแอร์ไลน์, from ฿12,826, and China Southern, from ฿13,117. You may be able to fly from Bangkok to Sydney for 49% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as ฿5,798 on Scoot. Other airlines that offer cheap prices include ไห่หนานแอร์ไลน์ from ฿6,219 and XiamenAir from ฿7,061 one-way.

  • What are the most reliable airlines from Bangkok to Sydney?

    Consider เตอร์กิชแอร์ไลน์ (85%), โอมานแอร์ (73%) or Thai Airways (73%) when booking your flight. These represent the most reliable airlines when flying from Bangkok to Sydney.

  • What are the cheapest flights from Bangkok to Sydney?

    Looking at all options, your cheapest flight can be booked for ฿14,731. While the most popular route (Bangkok Suvarnabhumi - Sydney Kingsford Smith) can be booked for ฿11,077 on average our data indicates ฿50,910 when flying from Bangkok to Sydney.

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

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

  • How can I find direct flights from Bangkok to Sydney?

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

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

    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.

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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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

Discover the top 10 airlines that operate flights from Bangkok to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 19 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest฿5,785Average฿15,668FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
ScootCheapest฿10,428Average฿13,616FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
China SouthernCheapest฿13,269Average฿14,169FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Philippine AirlinesCheapest฿13,941Average฿17,160FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
ซื่อชวนแอร์ไลน์Cheapest฿14,506Average฿14,878FlexibilityNo cancel feeOn-time63%
Search ซื่อชวนแอร์ไลน์ flights
Malaysia AirlinesCheapest฿18,336Average฿21,600FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapest฿18,757Average฿25,612FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Singapore AirlinesCheapest฿20,091Average฿22,897FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
แควนตัสแอร์เวย์Cheapest฿20,333Average฿25,510FlexibilityNo cancel feeOn-time74%
Search แควนตัสแอร์เวย์ flights
EmiratesCheapest฿21,540Average฿23,056FlexibilityNo cancel feeOn-time75%
Search Emirates flights

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?

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.

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

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.

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

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.

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

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.

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