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Thailand (ภาษาไทย)
ภาษาไทย

Cheap flights from Bangkok to Sydney from ฿6,219

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 25/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bangkok to Sydney Kingsford Smith are usually found in July or August, booked 79 days in advance, depart on a Monday or Wednesday and return on a Thursday

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 27 November 2025.

Round-trip from

฿17,078

One-way from

฿6,219

Popular in

January

Cheapest in

July

Average price

฿25,811
30/1-2/2
  • 30/1-2/2
  • 3 total stops
  • 39h 40m total
  • Bangkok to Sydney
Search Deals
25/12
  • 25/12
  • 1 total stop
  • 22h 35m total
  • Bangkok to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿66,072 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿20,931 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Bangkok to Sydney

Enter your travel dates to find the best prices.

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 27 November 2025.

Wed 24/1210:50BKK - SYD
2 stops17h 15mMultiple Airlines
Tue 13/115:15SYD - BKK
1 stop13h 50mMultiple Airlines
Deal found 25/11฿17,304
Thu 25/1206:40DMK - SYD
1 stop22h 35mMultiple Airlines
Fri 9/121:50SYD - DMK
1 stop14h 00mMultiple Airlines
Deal found 25/11฿17,336
Sun 30/1101:10BKK - SYD
1 stop33h 30mMultiple Airlines
Mon 8/1220:05SYD - BKK
1 stop30h 05mMultiple Airlines
Deal found 26/11฿17,368
Wed 3/1220:15BKK - SYD
1 stop12h 05mScoot
Sun 7/1220:05SYD - BKK
1 stop25h 20mScoot
Deal found 26/11฿17,594
Mon 1/1211:10BKK - SYD
1 stop23h 45mไห่หนานแอร์ไลน์
Mon 8/1221:00SYD - BKK
1 stop25h 05mไห่หนานแอร์ไลน์
Deal found 25/11฿17,626
Sun 21/1201:45BKK - SYD
1 stop28h 40mMultiple Airlines
Sun 11/122:10SYD - BKK
3 stops28h 45mMultiple Airlines
Deal found 24/11฿17,884
Sun 7/1219:10BKK - SYD
1 stop16h 10mไห่หนานแอร์ไลน์
Thu 11/1221:00SYD - BKK
1 stop17h 05mไห่หนานแอร์ไลน์
Deal found 26/11฿18,142
Sat 29/1101:10BKK - SYD
1 stop33h 30mMultiple Airlines
Sun 7/1213:35SYD - BKK
1 stop33h 30mMultiple Airlines
Deal found 25/11฿18,206
Mon 1/1219:25DMK - SYD
2 stops19h 25mMultiple Airlines
Mon 8/1220:05SYD - DMK
2 stops31h 15mMultiple Airlines
Deal found 26/11฿18,238
Wed 3/1219:10BKK - SYD
1 stop15h 45mไห่หนานแอร์ไลน์
Tue 9/1221:00SYD - BKK
1 stop17h 05mไห่หนานแอร์ไลน์
Deal found 26/11฿18,238
Mon 22/1223:05BKK - SYD
2 stops30h 10mMultiple Airlines
Sat 10/112:30SYD - BKK
1 stop16h 15mMultiple Airlines
Deal found 24/11฿18,271
Thu 27/1112:15BKK - SYD
1 stop18h 10mMultiple Airlines
Mon 1/1217:35SYD - BKK
2 stops32h 35mMultiple Airlines
Deal found 26/11฿18,303

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 27 November 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

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 4/4

10:00-08:05

2 stops18h 05m

Sydney Kingsford Smith

Sat 18/4

21:15-07:50

1 stop13h 35m

฿17,530

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 26/3

07:30-08:05

1 stop20h 35m

Sydney Kingsford Smith

Sat 28/3

07:15-19:15

2 stops16h 00m

฿17,723

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sat 28/2

09:15-06:15

2 stops17h 00m

Sydney Kingsford Smith

Sat 14/3

20:05-08:15

1 stop16h 10m

฿17,723

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 8/2

06:00-09:10

2 stops23h 10m

Sydney Kingsford Smith

Fri 13/2

07:15-15:20

1 stop12h 05m

฿17,948

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 7/3

21:25-20:35

1 stop19h 10m

Sydney Kingsford Smith

Wed 18/3

21:50-20:45

1 stop26h 55m

฿18,013

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 16/2

12:10-06:15

1 stop14h 05m

Sydney Kingsford Smith

Tue 24/2

07:15-22:00

1 stop18h 45m

฿19,882

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Tue 17/2

09:55-06:15

2 stops16h 20m

Sydney Kingsford Smith

Mon 18/5

17:45-07:50

2 stops17h 05m

฿20,236

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Mon 2/3

01:10-14:40

1 stop33h 30m

Sydney Kingsford Smith

Sat 7/3

21:25-17:20

1 stop23h 55m

฿20,397

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 6/3

13:25-09:15

1 stop15h 50m

Sydney Kingsford Smith

Tue 17/3

21:50-09:20

1 stop15h 30m

฿20,397

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 6/1

22:55-07:25

2 stops28h 30m

Sydney Kingsford Smith

Fri 23/1

13:35-22:10

1 stop12h 35m

฿21,010

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 41 results
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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 21 November 2025.

The best time to book flights from Bangkok to Sydney is 79 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 month to book a flight from Bangkok to Sydney?

Currently, August is the cheapest month in which you can book a flight from Bangkok to Sydney (average of ฿10,473). Flying from Bangkok to Sydney in January is currently the most expensive (average of ฿15,274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 27 November 2025.

It’s optimal to fly from Bangkok to Sydney at midday. By choosing this option you can save up to 33% 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 25 November 2025.

Travellers seeking maximum savings on their Bangkok to Sydney flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday evenings 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 27 November 2025.

The most flights from TH1 to SYD 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).

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

How often are flights from Bangkok to Sydney delayed?

About 19% of weekly flights between Bangkok and Sydney have experienced delays in the past year, with the average delay time being 94 minutes.

What is the most punctual flight time for Bangkok to Sydney flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bangkok to Sydney flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 14% of flights being delayed.

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 27 November 2025.
Get a feel of what it's like to fly with Emirates, Thai Airways, andแควนตัสแอร์เวย์ 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.
Emirates
8.1
Very Good
3,422 reviews
Check prices

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Emirates
8.1
Very Good
3,422 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Thai Airways
7.8
Good
362 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
แควนตัสแอร์เวย์
7.5
Good
946 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
Scoot
6.7
Okay
311 reviews
Emirates
8.1
Very Good
3,422 reviews
Check prices

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

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 17 inbound flights from Bangkok per day from 9 airlines. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • How long is the flight from Bangkok to Sydney?

    A quick flight from Bangkok to Sydney can take about 33h 30m. ซื่อชวนแอร์ไลน์ provides one of the quickest options available for as low as ฿20,397. The distance between Bangkok and Sydney is about 7509 km.

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

    Cheapflights users have booked flights from Bangkok to Sydney return from ฿10,375. Other airlines that can offer you cheap pricing are Thai AirAsia X, from ฿11,527, and China Southern, from ฿13,024. You may be able to fly from Bangkok to Sydney for 57% 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 ฿6,251 on Scoot. Other airlines that offer cheap prices include ไห่หนานแอร์ไลน์ from ฿6,380 and ซื่อชวนแอร์ไลน์ from ฿7,121 one-way.

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

    Consider เตอร์กิชแอร์ไลน์ (85%), เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (80%) or Emirates (80%) 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 ฿10,253. While the most popular route (Bangkok Suvarnabhumi - Sydney Kingsford Smith) can be booked for ฿11,729 on average, our data indicates ฿22,760 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.

  • What is the cheapest month to book a flight from Bangkok to Sydney?

    Currently, August is the cheapest month in which you can book a flight from Bangkok to Sydney (average of ฿10,473). Flying from Bangkok to Sydney in January is currently the most expensive (average of ฿15,274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Wollongong

Browse thousands of different options on Cheapflights for your next trip

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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.
Phuket City to Sydney flights
Chiang Mai to Sydney flights

Top 9 airlines flying from Bangkok to Sydney

Discover the top 9 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest฿10,375Average฿12,881FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Thai AirAsia XCheapest฿11,527Average฿16,732FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
China SouthernCheapest฿13,024Average฿13,909FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest฿18,242Average฿21,490FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest฿19,645Average฿23,699FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest฿20,637Average฿26,128FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EmiratesCheapest฿21,430Average฿23,253FlexibilityNo cancel feeOn-time75%
Search Emirates flights
แควนตัสแอร์เวย์Cheapest฿21,739Average฿25,405FlexibilityNo cancel feeOn-time74%
Search แควนตัสแอร์เวย์ flights
Thai AirwaysCheapest฿25,229Average฿29,833FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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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