Cheap flights from Bangkok to Sydney from $294

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 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
30 Dec — 6 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 Sunday or Saturday and return on a Wednesday

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 30 November 2025.

Round-trip from

$807

One-way from

$294

Popular in

January

Cheapest in

July

Average price

$1,222
28/3-10/4
  • 28/3-10/4
  • 3 total stops
  • 56h 15m total
  • Bangkok to Sydney
VietJet Air
  • VietJet Air
  • 23/12
  • 1 total stop
  • 32h 00m total
  • Bangkok to Sydney
Highest demand for flights based on searches. 7% potential increase in price ($146 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($49 potential savings vs. average return price).
Average for round-trip flights in November 2025

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 30 November 2025.

Sun 30/1102:20BKK - SYD
3 stops27h 10mMultiple Airlines
Wed 21/120:05SYD - BKK
1 stop25h 20mMultiple Airlines
Deal found 29/11$816
Sun 30/1102:20BKK - SYD
3 stops27h 10mMultiple Airlines
Tue 20/113:35SYD - BKK
1 stop12h 35mMultiple Airlines
Deal found 29/11$819
Sun 28/1201:45BKK - SYD
1 stop28h 40mXiamenAir
Wed 14/112:30SYD - BKK
1 stop16h 15mXiamenAir
Deal found 29/11$821
Thu 18/1216:50DMK - SYD
1 stop12h 25mMultiple Airlines
Wed 7/115:50SYD - DMK
2 stops27h 30mMultiple Airlines
Deal found 30/11$839
Thu 25/1215:40DMK - SYD
1 stop12h 25mMultiple Airlines
Fri 18/913:00SYD - DMK
1 stop13h 00mMultiple Airlines
Deal found 28/11$842
Tue 16/1215:40DMK - SYD
1 stop12h 25mMultiple Airlines
Wed 7/115:50SYD - DMK
2 stops27h 30mMultiple Airlines
Deal found 30/11$847
Thu 18/1219:10BKK - SYD
1 stop16h 10mHainan Airlines
Thu 8/121:00SYD - BKK
1 stop17h 05mHainan Airlines
Deal found 29/11$853
Mon 29/1213:30DMK - SYD
2 stops25h 20mMultiple Airlines
Wed 14/120:05SYD - DMK
2 stops19h 30mMultiple Airlines
Deal found 29/11$863
Mon 1/1212:10DMK - SYD
1 stop14h 05mMultiple Airlines
Tue 20/110:45SYD - DMK
1 stop12h 25mMultiple Airlines
Deal found 29/11$866
Sun 28/1219:10BKK - SYD
1 stop16h 10mMultiple Airlines
Wed 7/121:30SYD - BKK
3 stops47h 55mMultiple Airlines
Deal found 29/11$868
Mon 1/1220:05BKK - SYD
1 stop32h 00mMultiple Airlines
Fri 5/1220:05SYD - BKK
2 stops27h 55mMultiple Airlines
Deal found 30/11$870
Sun 28/1219:10BKK - SYD
1 stop16h 10mMultiple Airlines
Tue 13/106:35SYD - BKK
2 stops14h 50mMultiple Airlines
Deal found 28/11$871

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 647,157 searches. Data last updated 30 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

Thu 18/12

16:50-09:15

1 stop12h 25m

Sydney Kingsford Smith

Wed 7/1

15:50-15:20

2 stops27h 30m

$839

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Wed 25/2

02:00-06:15

2 stops24h 15m

Sydney Kingsford Smith

Mon 2/3

21:50-09:20

1 stop15h 30m

$853

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 12/3

16:50-09:15

1 stop12h 25m

Sydney Kingsford Smith

Mon 23/3

21:50-14:40

1 stop20h 50m

$856

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 29/12

13:30-18:50

2 stops25h 20m

Sydney Kingsford Smith

Wed 14/1

20:05-11:35

2 stops19h 30m

$863

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 9/4

08:35-08:00

3 stops44h 25m

Sydney Kingsford Smith

Tue 12/5

10:15-23:15

1 stop16h 00m

$888

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 21/3

16:35-18:50

2 stops22h 15m

Sydney Kingsford Smith

Sat 28/3

07:15-20:45

2 stops17h 30m

$898

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 9/2

12:10-06:15

1 stop14h 05m

Sydney Kingsford Smith

Tue 17/2

07:15-22:00

1 stop18h 45m

$915

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 9/3

12:10-06:15

1 stop14h 05m

Sydney Kingsford Smith

Sun 29/3

07:15-11:50

2 stops32h 35m

$915

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 27/3

10:50-08:05

2 stops17h 15m

Sydney Kingsford Smith

Sat 18/4

17:00-08:05

2 stops18h 05m

$935

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 8/3

23:10-10:45

1 stop31h 35m

Sydney Kingsford Smith

Sat 28/3

09:00-22:00

2 stops17h 00m

$949

Flights are sorted by cheapest return flights first.

Deals found on 29/11

Showing 1-10 of 45 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.

To ensure you get the cheapest price possible for a flight from Bangkok to Sydney, you should look to book at least 79 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.

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 $496). Flying from Bangkok to Sydney in January is currently the most expensive (average of $723). 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 30 November 2025.

One of the essential ways to save on airfare from Bangkok to Sydney is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 30% on airfare.

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 30 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 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 30 November 2025.
See what other customers who have flown with Emirates, Thai Airways, andQantas Airways from Bangkok to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Food

7.9

Comfort

8.0

Entertainment

8.2

Overall

8.1

Boarding

8.1

Crew

8.3

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?

    For a flight from Bangkok to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 17 inbound flights from Bangkok per day. 9 airlines have flights to Sydney Kingsford Smith from Bangkok on a regular basis.

  • How long is the flight from Bangkok to Sydney?

    There are many flights that can get you from Bangkok to Sydney in 9h 35m. Fly via Philippine Airlines or Emirates to get the fastest option. The distance between Bangkok and Sydney is about 7509 km. This flight may include one or multiple stops.

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

    Our cheapest airline available from Bangkok to Sydney is Scoot. Our recent data shows that you can find tickets from as low as $508 on this airline. Additional options worth looking into are Thai AirAsia X and China Southern, starting at $551 and $612 round-trip. You may be able to fly from Bangkok to Sydney for 55% less than the average price by searching for these airlines.

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

    $340 is the cheapest one-way deal found within the past few days, from Sichuan Airlines. You may also be able to find cheap deals on VietJet Air and China Eastern, with prices starting from $510 and $542, respectively.

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

    Consider Turkish Airlines (85%), KLM (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?

    The cheapest flight price from Bangkok to Sydney is $644. On average you can expect to pay $1,862. The most popular route, (Bangkok Suvarnabhumi - Sydney Kingsford Smith), can usually be booked for $542.

  • 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 $496). Flying from Bangkok to Sydney in January is currently the most expensive (average of $723). 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
Parramatta
Wollongong
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

Browse thousands of different options on Cheapflights for your next trip

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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 647,157 searches. Data last updated 30 November 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$508Average$646FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Thai AirAsia XCheapest$551Average$820FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
China SouthernCheapest$612Average$663FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Philippine AirlinesCheapest$672Average$795FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Malaysia AirlinesCheapest$843Average$952FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
EmiratesCheapest$983Average$1,101FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest$1,004Average$1,238FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,037Average$1,163FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest$1,191Average$1,371FlexibilityNo 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?

Millions of users choose and trust Cheapflights to book the best flight deals from Bangkok to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Bangkok to Sydney with no change fees.

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

Not ready to book yet? You can track prices for flights from Bangkok to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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