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$187+ Cheap flights from Suvarnabhumi (BKK) to Sydney (SYD)

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find cheap flights from Suvarnabhumi to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Monday or Tuesday and return on a Tuesday

Cheap 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 October 30, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$447
(FlightHub)

One-way from

$187
(Trip.com)

Popular in

January

Cheapest in

July

Average price

$825

Good round-trip deal

$837 or less

Good one-way deal

$681 or less
Provider with most accurate pricing for Bangkok Suvarnabhumi-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Bangkok Suvarnabhumi-Sydney Kingsford Smith flights.
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From Bangkok Suvarnabhumi to Sydney Kingsford Smith
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One-way flight from Bangkok Suvarnabhumi to Sydney Kingsford Smith
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Highest demand for flights based on searches. 6% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Bangkok Suvarnabhumi to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Bangkok Suvarnabhumi to Sydney Kingsford Smith.
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Find flight deals from Suvarnabhumi to Sydney

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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/74:30 pmBKK - SYD
2 stops22h 20mMultiple Airlines
Mon 11/108:05 pmSYD - BKK
1 stop18h 45mMultiple Airlines
Deal found 10/29$456
This Booking.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:10 amBKK - SYD
1 stop33h 30mMultiple Airlines
Fri 11/212:20 pmSYD - BKK
1 stop29h 40mMultiple Airlines
Deal found 10/30$466
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:45 amBKK - SYD
1 stop28h 40mXiamenAir
Wed 11/1912:30 pmSYD - BKK
1 stop16h 15mXiamenAir
Deal found 10/30$480
This Booking.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/31:55 amBKK - SYD
1 stop29h 00mMultiple Airlines
Sun 11/92:20 pmSYD - BKK
1 stop21h 55mMultiple Airlines
Deal found 10/30$486
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:10 amBKK - SYD
1 stop33h 30mMultiple Airlines
Wed 1/1412:55 pmSYD - BKK
2 stops34h 20mMultiple Airlines
Deal found 10/29$495
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:05 amBKK - SYD
3 stops29h 55mMultiple Airlines
Tue 11/118:05 pmSYD - BKK
1 stop23h 55mMultiple Airlines
Deal found 10/30$508
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:15 pmBKK - SYD
1 stop12h 50mMultiple Airlines
Wed 11/1911:15 amSYD - BKK
2 stops17h 55mMultiple Airlines
Deal found 10/30$516
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:50 amBKK - SYD
2 stops20h 15mMultiple Airlines
Sun 11/1610:45 amSYD - BKK
2 stops17h 00mMultiple Airlines
Deal found 10/29$522

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 30, 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

Mon 12/29

8:15 pm-1:05 pm

1 stop12h 50m

Sydney Kingsford Smith

Thu 1/15

11:15 am-10:45 am

1 stop27h 30m

$558

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 3/11

1:55 am-10:55 am

1 stop29h 00m

Sydney Kingsford Smith

Mon 3/16

12:35 pm-2:50 pm

1 stop30h 15m

$600

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 3/12

6:00 pm-7:35 am

Nonstop9h 35m

Sydney Kingsford Smith

Mon 3/16

10:20 am-4:10 pm

Nonstop9h 50m

$688

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 3/6

6:00 pm-7:35 am

Nonstop9h 35m

Sydney Kingsford Smith

Tue 3/17

10:20 am-4:10 pm

Nonstop9h 50m

$688

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 11/27

1:05 am-11:00 am

3 stops29h 55m

Sydney Kingsford Smith

Fri 12/5

8:05 pm-7:15 pm

1 stop27h 10m

$754

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 3/12

11:20 am-9:50 am

1 stop18h 30m

Sydney Kingsford Smith

Mon 3/16

11:50 am-11:20 am

2 stops27h 30m

$788

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 3/6

2:55 pm-8:25 am

1 stop13h 30m

Sydney Kingsford Smith

Tue 3/17

10:20 am-4:10 pm

Nonstop9h 50m

$853

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 3/12

2:55 pm-6:35 am

1 stop11h 40m

Sydney Kingsford Smith

Mon 3/23

10:20 am-4:10 pm

Nonstop9h 50m

$857

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 3/6

1:55 am-10:55 am

1 stop29h 00m

Sydney Kingsford Smith

Wed 3/18

12:35 pm-2:50 pm

1 stop30h 15m

$874

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 3/12

9:25 pm-1:25 pm

1 stop12h 00m

Sydney Kingsford Smith

Mon 3/16

10:20 am-4:10 pm

Nonstop9h 50m

$996

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 23 results
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Compare providers for flights from Suvarnabhumi to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Suvarnabhumi to Sydney in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Sydney flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Bangkok Suvarnabhumi Airport-Sydney flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Bangkok Suvarnabhumi Airport-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Sydney flights, Cheapflights users trust Gotogate the most. Gotogate has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangkok Suvarnabhumi Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Suvarnabhumi to Sydney. Price data was last updated on October 24, 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bangkok Suvarnabhumi Airport to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $270). Flying from Bangkok Suvarnabhumi Airport to Sydney in January is currently the most expensive (average of $426). 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 October 30, 2025.

It’s typically best to fly out from Bangkok Suvarnabhumi Airport to Sydney at noon. Doing so could potentially save you 48% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Bangkok Suvarnabhumi Airport to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Suvarnabhumi to Sydney. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Bangkok Suvarnabhumi Airport to Sydney flight should consider departing on Friday at noon 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.

How much does it cost to fly round-trip from Bangkok Suvarnabhumi Airport to Sydney?

The best insider tips for Bangkok Suvarnabhumi Airport to Sydney flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Bangkok Suvarnabhumi Airport to Sydney trip
Airlines
Thai Airways

Thai Airways offers Royal Silk business class with attentive service and comfortable seating.


Thai Airways economy class provides 18” width and 32” pitch seats, offering good value for money.

Read more about Thai Airwaysby Yulia Denisyuk
Qantas Airways

Qantas offers premium economy with larger recliner seats and upgraded meals for a quieter experience.


Qantas business class features fully lie-flat beds with direct aisle access on long-haul flights.

Read more about Qantas Airwaysby John Walton
Airports
BKK

For a smooth departure, use the Airport Rail Link to reach BKK quickly, avoiding traffic delays common with taxis or Grab cars.

Read more about BKKby Robert Schrader
SYD

After customs at SYD, the train is the easiest way to reach central Sydney, taking 15-25 minutes with multiple stops in the business district.

Read more about SYDby John Walton
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on Thai Airways

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
John Walton

John Walton

Expert on Qantas Airways and SYD

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Robert Schrader

Robert Schrader

Expert on BKK

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more

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 October 30, 2025.
Read reviews from past customers who have flown Emirates, Thai Airways, and Qantas Airways from Bangkok Suvarnabhumi Airport to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,394 reviews

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

CEB - CRK

On the plane it was good. They served me food for ky special request. But my baggage arrived late, so today I received my 1 luggage and still the other one is need wait.
Emirates
8.1
Very good
3,394 reviews
Emirates
8.1
Very good
3,394 reviews

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

CEB - CRK

On the plane it was good. They served me food for ky special request. But my baggage arrived late, so today I received my 1 luggage and still the other one is need wait.
Thai Airways
7.8
Good
361 reviews
Emirates
8.1
Very good
3,394 reviews

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

CEB - CRK

On the plane it was good. They served me food for ky special request. But my baggage arrived late, so today I received my 1 luggage and still the other one is need wait.
Qantas Airways
7.5
Good
925 reviews
Emirates
8.1
Very good
3,394 reviews

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

CEB - CRK

On the plane it was good. They served me food for ky special request. But my baggage arrived late, so today I received my 1 luggage and still the other one is need wait.
Scoot
6.7
Okay
309 reviews
Emirates
8.1
Very good
3,394 reviews

Overall

8.1

Boarding

8.1

Entertainment

8.2

Crew

8.3

Comfort

8.0

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

CEB - CRK

On the plane it was good. They served me food for ky special request. But my baggage arrived late, so today I received my 1 luggage and still the other one is need wait.

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?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Bangkok Suvarnabhumi. On average, Kingsford Smith has 17 inbound flights from Bangkok Suvarnabhumi per day from 8 airlines. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

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

    Departing from Bangkok Suvarnabhumi Airport to Sydney will take you 9h 35m. Airlines will cover a distance of 4666 mi. This flight may include one or multiple stops.

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

    According to our current data, Scoot ($315), China Southern ($343), and A.P.G. ($381) offers the cheapest pricing from Bangkok Suvarnabhumi Airport to Sydney. You may be able to fly from Bangkok Suvarnabhumi Airport to Sydney for 57% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $193 on VietJet Air. Other airlines that offer cheap prices include China Southern from $194 and China Eastern from $330 one-way.

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

    The top 3 most reliable airlines when flying from Bangkok Suvarnabhumi Airport to Sydney are Turkish Airlines (84%), Oman Air (75%) and Thai Airways (75%).

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

    While on average a flight from Bangkok Suvarnabhumi Airport to Sydney is generally $1,258, our data shows the cheapest flight currently is $480. When looking at the most popular route, (Bangkok Suvarnabhumi - Sydney Kingsford Smith), you can expect to pay $402 for that flight.

  • 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 vacation 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 $270). Flying from Bangkok Suvarnabhumi Airport to Sydney in January is currently the most expensive (average of $426). 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

Traveling to a place near Sydney?

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

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Top 8 airlines flying from Suvarnabhumi to Sydney

Discover the top 8 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 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$315Average$447FlexibilityNo cancel feeOn-timeN/A
China SouthernCheapest$343Average$443FlexibilityNo cancel feeOn-time69%
A.P.G.Cheapest$381Average$382FlexibilityNo cancel feeOn-timeN/A
Thai AirAsia XCheapest$394Average$497FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$583Average$733FlexibilityNo cancel feeOn-time81%
EmiratesCheapest$591Average$697FlexibilityNo cancel feeOn-time75%
Qantas AirwaysCheapest$630Average$859FlexibilityNo cancel feeOn-time74%
Thai AirwaysCheapest$804Average$1,038FlexibilityNo cancel feeOn-time77%

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