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Cheap flights from Bangkok Suvarnabhumi Airport to Sydney from £149

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
17 Apr — 24 Apr1
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 44 days in advance, depart on a Monday 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 18 March 2026.

Tue 28/420:35
BKK
-
SYD
1 stop19h 45m
Scoot
Tue 5/520:35
SYD
-
BKK
1 stop22h 20m
Scoot
Deal found 14/3£320
Thu 30/419:55
BKK
-
SYD
1 stop32h 25m
Multiple Airlines
Thu 7/513:00
SYD
-
BKK
1 stop31h 50m
Multiple Airlines
Deal found 13/3£353
Tue 28/420:35
BKK
-
SYD
1 stop19h 45m
Multiple Airlines
Tue 5/520:35
SYD
-
BKK
2 stops18h 15m
Multiple Airlines
Deal found 14/3£359
Thu 2/401:10
BKK
-
SYD
1 stop34h 05m
Sichuan Airlines
Sun 19/420:20
SYD
-
BKK
1 stop30h 50m
Sichuan Airlines
Deal found 17/3£379
Tue 5/507:00
BKK
-
SYD
2 stops25h 45m
Multiple Airlines
Tue 9/611:25
SYD
-
BKK
1 stop16h 25m
Multiple Airlines
Deal found 15/3£383
Wed 13/518:05
BKK
-
SYD
1 stop17h 10m
Sichuan Airlines
Sat 16/520:20
SYD
-
BKK
1 stop30h 50m
Sichuan Airlines
Deal found 16/3£389
Thu 28/501:10
BKK
-
SYD
1 stop34h 05m
Sichuan Airlines
Wed 3/620:20
SYD
-
BKK
1 stop30h 50m
Sichuan Airlines
Deal found 16/3£390
Mon 4/518:05
BKK
-
SYD
1 stop17h 10m
Sichuan Airlines
Thu 28/520:20
SYD
-
BKK
1 stop23h 30m
Sichuan Airlines
Deal found 13/3£394

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 18 March 2026.

Round-trip from

£320

One-way from

£149

Popular in

January

Cheapest in

July

Average price

£541
Scoot
  • Scoot
  • 28/4-5/5
  • 2 total stops
  • 42h 05m total
  • Bangkok to Sydney
Search Deals
Sichuan Airlines
  • Sichuan Airlines
  • 30/3
  • 1 total stop
  • 17h 10m total
  • Bangkok to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 18 March 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 12/5

01:25-06:15

1 stop25h 50m

Sydney Kingsford Smith

Sat 16/5

08:15-00:25

1 stop19h 10m

£437

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sun 5/4

01:25-06:15

1 stop25h 50m

Sydney Kingsford Smith

Sat 25/4

08:15-00:25

1 stop19h 10m

£437

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 28/5

07:50-08:00

2 stops21h 10m

Sydney Kingsford Smith

Fri 5/6

10:05-12:20

3 stops53h 15m

£482

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 13/5

07:50-07:55

2 stops21h 05m

Sydney Kingsford Smith

Sat 16/5

10:00-12:20

2 stops29h 20m

£486

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 1/5

20:50-09:00

3 stops33h 10m

Sydney Kingsford Smith

Fri 8/5

10:05-12:20

3 stops29h 15m

£523

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Mon 8/6

15:55-08:00

2 stops37h 05m

Sydney Kingsford Smith

Tue 16/6

11:00-22:15

2 stops38h 15m

£523
Fastest return journey

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Mon 17/8

17:15-10:00

1 stop13h 45m

Sydney Kingsford Smith

Wed 2/9

22:10-10:15

1 stop15h 05m

£541

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 13/5

18:45-07:20

2 stops33h 35m

Sydney Kingsford Smith

Sat 16/5

10:15-10:05

1 stop26h 50m

£542

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sat 4/4

20:50-08:55

2 stops32h 05m

Sydney Kingsford Smith

Sun 19/4

10:05-14:55

3 stops31h 50m

£549

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 5/6

01:10-14:15

1 stop34h 05m

Sydney Kingsford Smith

Sat 27/6

20:20-00:10

1 stop30h 50m

£560

Flights are sorted by cheapest return flights first.

Deals found on 15/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 13 March 2026.

The best time to book flights from Bangkok Suvarnabhumi Airport to Sydney is 44 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 £252). Flying from Bangkok Suvarnabhumi Airport to Sydney in December is currently the most expensive (average of £305). 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 18 March 2026.

When flying from Bangkok Suvarnabhumi Airport to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Bangkok Suvarnabhumi Airport 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 18 March 2026.
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.
Emirates
8.1
Very Good
3,543 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

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
3,543 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

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
392 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

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
Qantas Airways
7.5
Good
1,006 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

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
320 reviews
Emirates
8.1
Very Good
3,543 reviews
Check prices

Overall

8.1

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

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 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 21h 10m. Juneyao Airlines provides one of the quickest options available for as low as £482. The distance from Bangkok Suvarnabhumi Airport to Sydney is about 4666 mi. This flight may include one or multiple stops.

  • 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 £122. Other airlines that can offer you cheap pricing are Thai Airways, from £379, and Emirates, from £407. 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 (£141), and Hainan Airlines (£146).

  • 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: Gulf Air (88%), Turkish Airlines (82%), Oman Air (77%).

  • 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 £252). Flying from Bangkok Suvarnabhumi Airport to Sydney in December is currently the most expensive (average of £305). 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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest£122Average£297FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Thai AirwaysCheapest£379Average£643FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest£407Average£579FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest£547Average£673FlexibilityNo 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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