Cheap flights from Bangkok Suvarnabhumi Airport to Sydney from £154

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
2 Jan — 9 Jan1
1 adult
1 adult, Economy, 0 bags

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

Cheap flight deals from Suvarnabhumi to Sydney

Enter your travel dates to find the best prices.

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

Mon 22/1222:45BKK - SYD
2 stops31h 40mMultiple Airlines
Thu 15/112:30SYD - BKK
1 stop26h 45mMultiple Airlines
Deal found 1/12£528
Thu 25/1213:20BKK - SYD
1 stop16h 30mPhilippine Airlines
Tue 29/909:45SYD - BKK
1 stop15h 55mPhilippine Airlines
Deal found 1/12£547
Thu 25/1218:00BKK - SYD
Nonstop9h 35mQantas Airways
Fri 18/909:50SYD - BKK
Nonstop9h 50mQantas Airways
Deal found 1/12£558
Thu 25/1218:00BKK - SYD
Nonstop9h 35mEmirates
Wed 23/909:50SYD - BKK
Nonstop9h 50mEmirates
Deal found 1/12£593
Thu 25/1213:20BKK - SYD
1 stop16h 30mPhilippine Airlines
Mon 28/909:45SYD - BKK
1 stop15h 55mPhilippine Airlines
Deal found 1/12£597
Fri 12/1218:20BKK - SYD
1 stop16h 20mSichuan Airlines
Fri 2/121:25SYD - BKK
1 stop23h 55mSichuan Airlines
Deal found 2/12£601
Fri 26/1218:00BKK - SYD
Nonstop9h 35mEmirates
Sun 11/110:20SYD - BKK
Nonstop9h 50mEmirates
Deal found 1/12£603
Thu 25/1218:00BKK - SYD
Nonstop9h 35mEmirates
Sun 27/909:50SYD - BKK
Nonstop9h 50mEmirates
Deal found 1/12£605
Mon 22/1219:55BKK - SYD
1 stop37h 40mChina Eastern
Thu 15/113:30SYD - BKK
2 stops37h 05mChina Eastern
Deal found 3/12£642
Mon 22/1218:00BKK - SYD
Nonstop9h 35mEmirates
Thu 15/110:20SYD - BKK
Nonstop9h 50mEmirates
Deal found 1/12£667

Find flight deals from Suvarnabhumi to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) 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 3 December 2025.

Round-trip from

£407

One-way from

£154

Popular in

January

Cheapest in

July

Average price

£574

Good one-way deal

£393 or less
Hong Kong Airlines
  • Hong Kong Airlines
  • 12/3-16/3
  • 2 total stops
  • 44h 50m total
  • Bangkok to Sydney
VietJet Air
  • VietJet Air
  • 7/5
  • 1 total stop
  • 14h 30m total
  • Bangkok to Sydney
Highest demand for flights based on searches. 7% potential increase in price (£36 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a one-way flight from Bangkok Suvarnabhumi to Sydney Kingsford Smith.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Suvarnabhumi 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 858,174 searches. Data last updated 3 December 2025.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Sydney that are best for you.

Fly from

Suvarnabhumi

Fly to

Sydney

Route

Depart

Return

Price

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 6/3

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Tue 17/3

10:20-16:10

Nonstop9h 50m

£483

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 12/3

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Mon 23/3

10:20-16:10

Nonstop9h 50m

£525

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 13/3

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Sat 9/5

09:50-16:40

Nonstop9h 50m

£525

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sat 7/3

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Wed 18/3

10:20-16:10

Nonstop9h 50m

£565

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 25/12

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Wed 23/9

09:50-16:40

Nonstop9h 50m

£593

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 25/12

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Thu 24/9

09:50-16:40

Nonstop9h 50m

£593

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 25/12

13:20-09:50

1 stop16h 30m

Sydney Kingsford Smith

Mon 28/9

09:45-22:40

1 stop15h 55m

£597

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Mon 23/2

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Tue 3/3

10:20-16:10

Nonstop9h 50m

£600

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 20/2

14:15-10:45

1 stop16h 30m

Sydney Kingsford Smith

Thu 26/2

12:00-13:10

1 stop29h 10m

£601

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sat 13/12

18:20-14:40

1 stop16h 20m

Sydney Kingsford Smith

Fri 2/1

21:25-17:20

1 stop23h 55m

£601

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 24 results
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Best time to book a flight from Suvarnabhumi to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Suvarnabhumi 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 Suvarnabhumi Airport to Sydney

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

Use this chart to determine the optimal time to book a return flight from Suvarnabhumi to Sydney. Price data was last updated on 28 November 2025.

The best time to book flights from Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport to Sydney?

Currently, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Sydney (average of £246). Flying from Bangkok Suvarnabhumi Airport to Sydney in January is currently the most expensive (average of £359). 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 Suvarnabhumi 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 December 2025.

It’s optimal to fly from Bangkok Suvarnabhumi Airport to Sydney at midday. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

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 December 2025.
Read through reviews of airlines operating flights from Bangkok Suvarnabhumi Airport to Sydney, such as Emirates, Thai Airways, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

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

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

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 Suvarnabhumi 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 Suvarnabhumi?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Bangkok Suvarnabhumi to Sydney. You should not have trouble finding flights to Kingsford Smith from Bangkok Suvarnabhumi; the airport handles an average of 17 inbound flights from Bangkok Suvarnabhumi per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Sydney airport from Bangkok Suvarnabhumi. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • How long is the flight from Bangkok Suvarnabhumi Airport to Sydney?

    A quick flight from Bangkok Suvarnabhumi Airport to Sydney can take about 9h 35m. Emirates provides one of the quickest options available for as low as £483. The distance from Bangkok Suvarnabhumi Airport to Sydney is about 4666 mi. All flights are typically direct.

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

    Cheapflights users have booked flights from Bangkok Suvarnabhumi Airport to Sydney round-trip from £123. Other airlines that can offer you cheap pricing are Thai Airways, from £383, and Emirates, from £511. Scoot is priced at 78% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapet airlines for a one-way flight from Bangkok Suvarnabhumi Airport to Sydney are Scoot (£129), VietJet Air (£142), and China Southern (£154).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Bangkok Suvarnabhumi Airport to Sydney on time: Turkish Airlines (85%), KLM (80%), Emirates (80%).

  • What are the cheapest flights from Bangkok Suvarnabhumi Airport to Sydney?

    Looking at all options, your cheapest flight can be booked for £385. While the most popular route (Bangkok Suvarnabhumi - Sydney Kingsford Smith) can be booked for £288 on average, our data indicates £507 when flying from Bangkok Suvarnabhumi Airport to Sydney.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Suvarnabhumi 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 Suvarnabhumi Airport to Sydney?

    Currently, August is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Sydney (average of £246). Flying from Bangkok Suvarnabhumi Airport to Sydney in January is currently the most expensive (average of £359). 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
Bondi Beach
Wollongong
Coogee
Manly

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Top 4 airlines flying from Suvarnabhumi to Sydney

Discover the top 4 airlines that operate flights from Suvarnabhumi 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 858,174 searches. Data last updated 3 December 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest£123Average£295FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Thai AirwaysCheapest£383Average£703FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest£511Average£547FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest£547Average£685FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Suvarnabhumi 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 Suvarnabhumi to Sydney?

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

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

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

Can Cheapflights notify me if prices for flights from Suvarnabhumi 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 Suvarnabhumi today and book when prices fit your budget.

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