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$183+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from Bangkok Suvarnabhumi to Sydney Kingsford Smith are usually found in August or December, booked 86 days in advance, depart on a Tuesday or Wednesday 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 August 1, 2025.

Round-trip from

$359
(Mytrip)

One-way from

$183
(Mytrip)

Popular in

January

Cheapest in

August

Average price

$676

Good round-trip deal

$727 or less

Good one-way deal

$458 or less
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. 2% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 1, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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.
Tue 9/910:50 amBKK - SYD
1 stop21h 45mScoot
Wed 10/151:50 pmSYD - BKK
1 stop13h 20mScoot
Deal found 7/30$359
This Mytrip deal was found by Cheapflights users on 7/30. 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 9/101:50 pmBKK - SYD
2 stops18h 45mMultiple Airlines
Tue 10/149:25 pmSYD - BKK
1 stop14h 40mMultiple Airlines
Deal found 7/30$382
This oojo deal was found by Cheapflights users on 7/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/161:35 amBKK - SYD
1 stop33h 20mHainan Airlines
Thu 1/89:00 pmSYD - BKK
1 stop31h 25mHainan Airlines
Deal found 7/31$426
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:10 amBKK - SYD
1 stop14h 10mChina Southern
Tue 11/1111:25 amSYD - BKK
1 stop17h 40mChina Southern
Deal found 7/31$455
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/71:50 amBKK - SYD
1 stop28h 30mXiamenAir
Sat 9/2011:25 amSYD - BKK
1 stop32h 15mXiamenAir
Deal found 7/30$508
This Malaysia Airlines deal was found by Cheapflights users on 7/30. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:05 amBKK - SYD
1 stop16h 50mMalaysia Airlines
Sun 11/2310:15 pmSYD - BKK
1 stop16h 00mMalaysia Airlines
Deal found 7/30$570
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:50 amBKK - SYD
2 stops23h 10mChina Eastern
Tue 11/119:30 pmSYD - BKK
2 stops21h 25mChina Eastern
Deal found 7/31$578
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:55 pmBKK - SYD
1 stop32h 25mVietJet Air
Wed 10/1511:15 amSYD - BKK
1 stop26h 50mVietJet Air
Deal found 7/31$598

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 August 1, 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

Tue 9/9

10:50 am-11:35 am

1 stop21h 45m

Sydney Kingsford Smith

Wed 10/15

1:50 pm-11:10 pm

1 stop13h 20m

$359

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 9/10

1:50 pm-11:35 am

2 stops18h 45m

Sydney Kingsford Smith

Tue 10/14

9:25 pm-8:05 am

1 stop14h 40m

$382

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 12/16

1:35 am-2:55 pm

1 stop33h 20m

Sydney Kingsford Smith

Thu 1/8

9:00 pm-12:25 am

1 stop31h 25m

$426

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 11/5

2:10 am-8:20 pm

1 stop14h 10m

Sydney Kingsford Smith

Tue 11/11

11:25 am-1:05 am

1 stop17h 40m

$455

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sun 9/7

1:50 am-9:20 am

1 stop28h 30m

Sydney Kingsford Smith

Sat 9/20

11:25 am-4:40 pm

1 stop32h 15m

$508

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Wed 11/19

11:05 am-7:55 am

1 stop16h 50m

Sydney Kingsford Smith

Sun 11/23

10:15 pm-10:15 am

1 stop16h 00m

$570

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 11/6

7:50 am-11:00 am

2 stops23h 10m

Sydney Kingsford Smith

Tue 11/11

9:30 pm-2:55 pm

2 stops21h 25m

$578

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sun 10/5

7:55 pm-8:20 am

1 stop32h 25m

Sydney Kingsford Smith

Wed 10/15

11:15 am-10:05 am

1 stop26h 50m

$598

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sun 8/31

9:05 am-7:30 pm

1 stop31h 25m

$183

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 8/29

7:20 pm-2:15 pm

1 stop15h 55m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 16 results
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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

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 July 25, 2025.

Booking 86 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, February is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Sydney (average of $1,028). Flying from Bangkok Suvarnabhumi Airport to Sydney in December is currently the most expensive (average of $1,619). 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 August 1, 2025.

It’s typically best to fly out from Bangkok Suvarnabhumi Airport to Sydney at noon. Doing so could potentially save you 44% 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 July 27, 2025.

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

Weekly flight availability from Bangkok Suvarnabhumi Airport to Sydney

Explore weekly flight availability from Suvarnabhumi 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 August 1, 2025.

The most flights from BKK to SYD are scheduled on a Monday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).

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

What’s the top layover airport for flights from Bangkok Suvarnabhumi Airport to Sydney?

Share of 1-stop round-trip flights from Bangkok Suvarnabhumi Airport to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.

Singapore (SIN) – chosen by Cheapflights users on 86% of 1-stop itineraries from Bangkok Suvarnabhumi Airport to Sydney on Cheapflights.

What’s the cheapest layover airport for flights from Bangkok Suvarnabhumi Airport to Sydney?

Average round-trip fare for 1-stop flights from Bangkok Suvarnabhumi Airport to Sydney, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chengdu (TFU) is the most affordable 1-stop option, with an average round-trip price of $398.

What’s the fastest layover option from Bangkok Suvarnabhumi Airport to Sydney?

Shortest average travel time for 1-stop one-way flights from Bangkok Suvarnabhumi Airport to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Singapore (SIN) have the shortest average one-way travel time for 1-stop routes: 14h 32m.

Which airport typically offers the quickest layover for flights from Bangkok Suvarnabhumi Airport to Sydney?

Average layover duration for 1-stop one-way flights from Bangkok Suvarnabhumi Airport to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Singapore (SIN) offer the fastest connection on this route, with an average layover time of 3h 37m.

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 August 1, 2025.
Read reviews from past customers who have flown Hainan Airlines, China Southern, and Malaysia Airlines 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.
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Crew

8.8

Food

8.4

Entertainment

7.4

Overall

8.2

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.2
Very good
43 reviews
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Crew

8.8

Food

8.4

Entertainment

7.4

Overall

8.2

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.6
Good
104 reviews
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Crew

8.8

Food

8.4

Entertainment

7.4

Overall

8.2

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Malaysia Airlines
7.4
Good
271 reviews
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Crew

8.8

Food

8.4

Entertainment

7.4

Overall

8.2

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Eastern
7.2
Good
158 reviews
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Crew

8.8

Food

8.4

Entertainment

7.4

Overall

8.2

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Cebu Pacific
6.8
Okay
201 reviews
Hainan Airlines
8.2
Very good
43 reviews

Boarding

8.5

Crew

8.8

Food

8.4

Entertainment

7.4

Overall

8.2

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 18 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.

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

    According to our current data, Scoot ($359), Hainan Airlines ($426), and China Southern ($455) offers the cheapest pricing from Bangkok Suvarnabhumi Airport to Sydney. You may be able to fly from Bangkok Suvarnabhumi Airport to Sydney for 50% 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 $183 on Scoot. Other airlines that offer cheap prices include Hainan Airlines from $193 and XiamenAir from $216 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 (85%), Oman Air (73%) and Thai Airways (73%).

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

    While on average a flight from Bangkok Suvarnabhumi Airport to Sydney is generally $730, our data shows the cheapest flight currently is $452. When looking at the most popular route, (Bangkok Suvarnabhumi - Sydney Kingsford Smith), you can expect to pay $376 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, February is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Sydney (average of $1,028). Flying from Bangkok Suvarnabhumi Airport to Sydney in December is currently the most expensive (average of $1,619). 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
Wollongong
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Manly
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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$315Average$471FlexibilityNo cancel feeOn-timeN/A
Thai AirAsia XCheapest$380Average$498FlexibilityNo cancel feeOn-timeN/A
A.P.G.Cheapest$381Average$382FlexibilityNo cancel feeOn-timeN/A
China SouthernCheapest$411Average$432FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$583Average$733FlexibilityNo cancel feeOn-time81%
EmiratesCheapest$591Average$708FlexibilityNo cancel feeOn-time75%
Qantas AirwaysCheapest$623Average$746FlexibilityNo cancel feeOn-time74%
Thai AirwaysCheapest$731Average$1,013FlexibilityNo cancel feeOn-time77%

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