Suvarnabhumi

$176+ Cheap flights from Sydney (SYD) to Suvarnabhumi (BKK)

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
Aug 19 — Aug 261
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Cheapflights Tip: The best prices from Sydney Kingsford Smith to Bangkok Suvarnabhumi are usually found in February or May, booked 58 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Sydney to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Suvarnabhumi (BKK). 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 14, 2025.

Round-trip from

$331
(Booking.com)

One-way from

$176
(Gotogate)

Popular in

December

Cheapest in

February

Average price

$605

Good round-trip deal

$737 or less

Good one-way deal

$385 or less
From Sydney Kingsford Smith to Bangkok Suvarnabhumi
One-way flight from Sydney Kingsford Smith to Bangkok Suvarnabhumi
Highest demand for flights based on searches. 14% potential increase in price ($115 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to Bangkok Suvarnabhumi.
Price to beat on a one-way flight from Sydney Kingsford Smith to Bangkok Suvarnabhumi.

Find flight deals from Sydney to Suvarnabhumi

Cheapest flights from Sydney to Suvarnabhumi
Explore the most affordable flight options available from Sydney to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This CheapOair deal was found by Cheapflights users on 8/12. 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.
Mon 10/209:25 pmSYD - BKK
1 stop16h 25mScoot
Mon 11/38:00 pmBKK - SYD
1 stop13h 05mScoot
Deal found 8/12$335
This CheapOair deal was found by Cheapflights users on 8/12. 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.
Thu 10/308:05 pmSYD - BKK
1 stop25h 30mScoot
Thu 11/206:35 pmBKK - SYD
1 stop20h 15mScoot
Deal found 8/12$337
This Booking.com deal was found by Cheapflights users on 8/13. 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 10/61:50 pmSYD - BKK
1 stop22h 15mScoot
Mon 10/276:35 pmBKK - SYD
1 stop20h 15mScoot
Deal found 8/13$363
This CheapOair deal was found by Cheapflights users on 8/14. 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.
Mon 10/61:50 pmSYD - BKK
1 stop24h 00mScoot
Mon 11/105:00 pmBKK - SYD
1 stop16h 05mScoot
Deal found 8/14$371
This FlightHub deal was found by Cheapflights users on 8/14. 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 11/22:20 pmSYD - BKK
1 stop29h 40mScoot
Fri 11/76:35 pmBKK - SYD
1 stop14h 30mScoot
Deal found 8/14$375
This Mytrip deal was found by Cheapflights users on 8/14. 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 10/161:50 pmSYD - BKK
1 stop13h 25mMultiple Airlines
Tue 11/411:45 amBKK - SYD
2 stops27h 05mMultiple Airlines
Deal found 8/14$384
This Travelocity deal was found by Cheapflights users on 8/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:05 pmSYD - BKK
1 stop26h 55mScoot
Sat 12/138:00 pmBKK - SYD
1 stop18h 50mScoot
Deal found 8/14$401
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Tue 9/169:00 pmSYD - BKK
1 stop24h 15mMultiple Airlines
Thu 9/257:55 pmBKK - SYD
1 stop32h 25mMultiple Airlines
Deal found 8/13$405
This Booking.com deal was found by Cheapflights users on 8/12. 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.
Tue 11/182:20 pmSYD - BKK
1 stop21h 55mMultiple Airlines
Mon 11/243:25 amBKK - SYD
1 stop27h 20mMultiple Airlines
Deal found 8/12$409
This Booking.com deal was found by Cheapflights users on 8/12. 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.
Sat 11/158:05 pmSYD - BKK
1 stop26h 55mMultiple Airlines
Mon 12/158:05 pmBKK - SYD
1 stop32h 00mMultiple Airlines
Deal found 8/12$414

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Suvarnabhumi 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 14, 2025.
Use the filters below to find and compare flights from Sydney to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Sydney

Fly to

Suvarnabhumi

Route

Depart

Return

Price

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sat 11/15

8:05 pm-7:00 pm

1 stop26h 55m

Bangkok Suvarnabhumi

Mon 12/15

8:05 pm-8:05 am

1 stop32h 00m

$414

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Thu 10/30

11:25 am-5:55 pm

1 stop34h 30m

Bangkok Suvarnabhumi

Wed 11/19

2:10 am-8:20 pm

1 stop14h 10m

$438

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 10/20

12:25 pm-11:15 am

1 stop26h 50m

Bangkok Suvarnabhumi

Sun 11/2

1:35 am-2:55 pm

1 stop33h 20m

$463

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sun 10/19

7:05 pm-2:20 pm

1 stop23h 15m

Bangkok Suvarnabhumi

Sun 11/23

9:35 am-7:40 am

1 stop18h 05m

$524

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Wed 10/1

11:20 am-1:55 am

1 stop17h 35m

Bangkok Suvarnabhumi

Mon 10/20

2:00 am-10:50 am

1 stop28h 50m

$527

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 10/6

12:15 pm-1:50 am

1 stop17h 35m

Bangkok Suvarnabhumi

Sun 11/9

4:00 am-10:45 am

1 stop26h 45m

$528

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Tue 8/26

10:10 pm-2:30 pm

1 stop19h 20m

Bangkok Suvarnabhumi

Wed 9/17

4:40 pm-10:00 am

1 stop14h 20m

$537

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Wed 8/27

1:05 pm-11:05 pm

1 stop13h 00m

Bangkok Suvarnabhumi

Mon 9/15

6:40 pm-10:00 am

1 stop12h 20m

$537

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Wed 8/27

1:05 pm-11:05 pm

1 stop13h 00m

Bangkok Suvarnabhumi

Thu 9/18

9:05 am-6:35 am

1 stop18h 30m

$537

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Tue 8/26

10:10 pm-2:30 pm

1 stop19h 20m

Bangkok Suvarnabhumi

Mon 9/15

4:40 pm-10:00 am

1 stop14h 20m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 21 results
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The best insider tips for Sydney to Bangkok Suvarnabhumi Airport 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 Sydney to Bangkok Suvarnabhumi Airport trip
Airlines
Thai Airways

Thai Airways offers great food on long-haul flights, with delicious Thai dishes like curry and pad thai.


Thai Airways' Royal Silk class offers a cost-effective fare with comfortable seats and attentive service.

Qantas Airways

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


Enjoy Australian cuisine and drinks, including Tim Tams and Bundaberg rum, on Qantas flights.

Airports
SYD

Check which terminal your flight uses at SYD, as some domestic flights depart from the international terminal.

Read more about SYDby John Walton
BKK

Use the Airport Rail Link for a quick 20-minute ride from BKK to Bangkok's city center.

Read more about BKKby Robert Schrader
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 Sydney to Suvarnabhumi

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sydney to Suvarnabhumi. Price data was last updated on August 8, 2025.

The best time to book flights from Sydney to Bangkok Suvarnabhumi Airport is 58 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 Sydney to Bangkok Suvarnabhumi Airport?

Currently, September is the cheapest month in which you can book a flight from Sydney to Bangkok Suvarnabhumi Airport (average of $938). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,552). 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 SYD to BKK?

Find hourly flight availability from Sydney to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Sydney to Bangkok Suvarnabhumi Airport in the evening. If you’re flexible enough to do this you can expect to save up to 58% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Sydney to Suvarnabhumi. Price data was last updated on August 10, 2025.

Travelers seeking maximum savings on their Sydney to Bangkok Suvarnabhumi Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Sydney to Bangkok Suvarnabhumi Airport

Explore weekly flight availability from Sydney to Suvarnabhumi. 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 14, 2025.

The most flights from SYD to BKK are scheduled on a Monday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

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

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

Singapore (SIN) – chosen by Cheapflights users on 70% of 1-stop itineraries from Sydney to Bangkok Suvarnabhumi Airport on Cheapflights.

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

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

Singapore (SIN) is the most affordable 1-stop option, with an average round-trip price of $431.

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

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

Flights via Kuala Lumpur (KUL) have the shortest average one-way travel time for 1-stop routes: 14h 14m.

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

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

Flights via Guangzhou (CAN) offer the fastest connection on this route, with an average layover time of 1h 52m.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with Emirates, Thai Airways, and Qantas Airways from Sydney to Bangkok Suvarnabhumi Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Overall

8.1

Crew

8.3

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.

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Overall

8.1

Crew

8.3

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.

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Overall

8.1

Crew

8.3

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.

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Overall

8.1

Crew

8.3

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.

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Overall

8.1

Crew

8.3

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 Sydney to Suvarnabhumi. 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 from for flights from Sydney to Bangkok Suvarnabhumi?

    For a flight from Sydney to Bangkok Suvarnabhumi, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city. Kingsford Smith is the only Sydney airport and it handles 17 outbound flights to Bangkok Suvarnabhumi per day. 9 airlines have flights to Bangkok Suvarnabhumi from Sydney Kingsford Smith on a regular basis.

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

    Currently priced at $291, Scoot will fly you from Sydney to Bangkok Suvarnabhumi Airport and back. In addition to Scoot, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and Thai AirAsia X - these airlines can fly you to your destination from $391 and $449, respectively. You may be able to fly from Sydney to Bangkok Suvarnabhumi Airport for 56% less than the average price by searching for these airlines.

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

    Consider Austrian Airlines (84%), Lufthansa (84%) or Oman Air (75%) when booking your flight. These represent the most reliable airlines when flying from Sydney to Bangkok Suvarnabhumi Airport.

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

    The cheapest flight price from Sydney to Bangkok Suvarnabhumi Airport is $373. On average you can expect to pay $811. The most popular route, (Sydney Kingsford Smith - Bangkok Suvarnabhumi), can usually be booked for $619.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Sydney to Bangkok Suvarnabhumi Airport (average of $938). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,552). 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 Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Chonburi
Kanchanaburi
Cha-am
Ko Samet
Pak Chong
Phetchaburi
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Sydney to Suvarnabhumi

Discover the top 9 airlines that operate flights from Sydney to Suvarnabhumi. 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$291Average$372FlexibilityNo cancel feeOn-timeN/A
China SouthernCheapest$391Average$630FlexibilityNo cancel feeOn-time69%
Thai AirAsia XCheapest$449Average$782FlexibilityNo cancel feeOn-timeN/A
Malaysia AirlinesCheapest$468Average$736FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$525Average$781FlexibilityNo cancel feeOn-time81%
Qantas AirwaysCheapest$600Average$900FlexibilityNo cancel feeOn-time74%
Thai AirwaysCheapest$629Average$802FlexibilityNo cancel feeOn-time77%
Bangkok AirwaysCheapest$631Average$686FlexibilityNo cancel feeOn-time74%
EmiratesCheapest$631Average$762FlexibilityNo cancel feeOn-time75%

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