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Cheap flights from Sydney to Bangkok Suvarnabhumi Airport from ฿6,811

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

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 Sunday or Wednesday and return on a Monday

Find flight deals from Sydney to Suvarnabhumi

Enter your travel dates to find the best prices.

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 27 October 2025.

Thu 20/1114:20SYD - BKK
1 stop29h 40mMultiple Airlines
Fri 28/1111:10BKK - SYD
1 stop23h 45mMultiple Airlines
Deal found 27/10฿11,764
Sun 2/1120:05SYD - BKK
1 stop16h 10mMultiple Airlines
Mon 10/1119:10BKK - SYD
1 stop15h 45mMultiple Airlines
Deal found 25/10฿11,895
Sat 1/1114:20SYD - BKK
1 stop21h 55mMultiple Airlines
Sat 8/1120:05BKK - SYD
1 stop32h 00mMultiple Airlines
Deal found 26/10฿11,927
Mon 3/1120:05SYD - BKK
1 stop16h 10mMultiple Airlines
Mon 10/1119:10BKK - SYD
1 stop15h 45mMultiple Airlines
Deal found 27/10฿11,960
Fri 21/1114:20SYD - BKK
1 stop32h 55mMultiple Airlines
Tue 23/1211:25BKK - SYD
1 stop15h 10mMultiple Airlines
Deal found 26/10฿12,025
Sat 8/1120:05SYD - BKK
1 stop23h 55mMultiple Airlines
Tue 11/1120:05BKK - SYD
1 stop32h 00mMultiple Airlines
Deal found 25/10฿12,058
Fri 14/1114:20SYD - BKK
1 stop32h 55mMultiple Airlines
Sat 13/1202:10BKK - SYD
1 stop24h 25mMultiple Airlines
Deal found 26/10฿12,123
Thu 20/1114:20SYD - BKK
1 stop32h 55mMultiple Airlines
Wed 26/1101:45BKK - SYD
1 stop28h 40mMultiple Airlines
Deal found 25/10฿12,253
Sun 2/1120:05SYD - BKK
1 stop16h 10mMultiple Airlines
Sun 9/1114:00BKK - SYD
1 stop14h 05mMultiple Airlines
Deal found 26/10฿12,318
Fri 7/1120:05SYD - BKK
1 stop27h 10mMultiple Airlines
Sun 9/1111:45BKK - SYD
1 stop16h 20mMultiple Airlines
Deal found 27/10฿12,351
Mon 3/1120:05SYD - BKK
1 stop16h 10mMultiple Airlines
Fri 7/1114:00BKK - SYD
1 stop14h 05mMultiple Airlines
Deal found 27/10฿12,384

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 27 October 2025.

Round-trip from

฿11,764

One-way from

฿6,811

Popular in

December

Cheapest in

February

Average price

฿20,759

Good round-trip deal

฿23,327 or less

Good one-way deal

฿15,774 or less
ไห่หนานแอร์ไลน์
  • ไห่หนานแอร์ไลน์
  • 20/11-28/11
  • 2 total stops
  • 53h 25m total
  • Sydney to Bangkok
Search Deals
VietJet Air
  • VietJet Air
  • 25/3
  • 1 total stop
  • 29h 45m total
  • Sydney to Bangkok
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿134,062 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (฿27,772 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to Bangkok Suvarnabhumi.
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to Bangkok Suvarnabhumi.
Search Deals

Cheapflights Fare Finder

 
Customise 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 17,341 searches. Data last updated 27 October 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

Sun 25/1

10:20-16:10

Nonstop9h 50m

Bangkok Suvarnabhumi

Wed 18/2

18:00-07:35

Nonstop9h 35m

฿24,115

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Thu 19/2

11:15-17:40

2 stops58h 25m

Bangkok Suvarnabhumi

Thu 12/3

14:00-08:05

1 stop14h 05m

฿24,507

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sat 17/1

08:45-00:15

1 stop19h 30m

Bangkok Suvarnabhumi

Mon 26/1

07:55-16:30

2 stops28h 35m

฿25,843

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 9/2

22:15-13:25

1 stop19h 10m

Bangkok Suvarnabhumi

Mon 16/3

15:00-10:20

2 stops15h 20m

฿26,071

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sun 25/1

10:20-16:10

Nonstop9h 50m

Bangkok Suvarnabhumi

Tue 17/2

21:25-14:25

1 stop13h 00m

฿28,971

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sun 23/11

19:10-14:35

1 stop23h 25m

Bangkok Suvarnabhumi

Sat 6/12

20:00-11:50

1 stop11h 50m

฿29,297

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Mon 12/1

11:05-00:15

1 stop17h 10m

Bangkok Suvarnabhumi

Mon 26/1

19:15-16:30

2 stops17h 15m

฿32,132

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Wed 21/1

10:20-16:10

Nonstop9h 50m

Bangkok Suvarnabhumi

Mon 2/2

18:00-07:35

Nonstop9h 35m

฿32,295

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Thu 12/3

10:20-16:10

Nonstop9h 50m

Bangkok Suvarnabhumi

Mon 16/3

21:25-13:25

1 stop12h 00m

฿32,914

SydneyBangkok

SYD - BKK

SYDBKK

Sydney Kingsford Smith

Sun 11/1

12:45-13:10

1 stop28h 25m

Bangkok Suvarnabhumi

Sat 24/1

14:15-10:45

1 stop16h 30m

฿34,446

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 22 results
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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 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 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 return flight from Sydney to Suvarnabhumi. Price data was last updated on 24 October 2025.

The price you pay for your flight from Sydney to Bangkok Suvarnabhumi Airport may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to Bangkok Suvarnabhumi Airport?

Currently, May is the cheapest month in which you can book a flight from Sydney to Bangkok Suvarnabhumi Airport (average of ฿9,516). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of ฿17,761). 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 27 October 2025.

It’s optimal to fly from Sydney to Bangkok Suvarnabhumi Airport in the evening. By choosing this option you can save up to 74% on the cost of your flight, compared to a flight in the afternoon.

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

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

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

How much does it cost for a return flight from Sydney to Bangkok Suvarnabhumi Airport?

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 27 October 2025.
See what other customers who have flown with Thai Airways, แควนตัสแอร์เวย์, andChina Southern from Sydney to Bangkok Suvarnabhumi Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
361 reviews
Check prices

Entertainment

6.9

Food

7.3

Comfort

7.6

Crew

8.3

Boarding

7.8

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.8
Good
361 reviews
Thai Airways
7.8
Good
361 reviews
Check prices

Entertainment

6.9

Food

7.3

Comfort

7.6

Crew

8.3

Boarding

7.8

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
แควนตัสแอร์เวย์
7.5
Good
924 reviews
Thai Airways
7.8
Good
361 reviews
Check prices

Entertainment

6.9

Food

7.3

Comfort

7.6

Crew

8.3

Boarding

7.8

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
China Southern
7.4
Good
117 reviews
Thai Airways
7.8
Good
361 reviews
Check prices

Entertainment

6.9

Food

7.3

Comfort

7.6

Crew

8.3

Boarding

7.8

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Scoot
6.7
Okay
309 reviews
Thai Airways
7.8
Good
361 reviews
Check prices

Entertainment

6.9

Food

7.3

Comfort

7.6

Crew

8.3

Boarding

7.8

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly out of when you book flights from Sydney to Bangkok Suvarnabhumi. 6 airlines have flights from Kingsford Smith to Bangkok Suvarnabhumi on a regular basis. Booking flights from Sydney Kingsford Smith to Bangkok Suvarnabhumi should not be difficult; the airport handles an average of 11 outbound flights to Bangkok Suvarnabhumi per day.

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

    A quick flight from Sydney to Bangkok Suvarnabhumi Airport can take about 9h 50m. แควนตัสแอร์เวย์ provides one of the quickest options available for as low as ฿24,181. Sydney and Bangkok Suvarnabhumi Airport are separated by a distance of 7509 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Our cheapest airline available from Sydney to Bangkok Suvarnabhumi Airport is Scoot. Our recent data shows that you can find tickets from as low as ฿9,809 on this airline. Additional options worth looking into are Thai AirAsia X and China Southern, starting at ฿11,884 and ฿13,066 round-trip. Scoot is currently priced 55% below the average price you’ll pay for this route.

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

    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 Sydney to Bangkok Suvarnabhumi Airport on time: ออสเตรียนแอร์ไลน์ (90%), ลุฟท์ฮันซ่า (90%), โอมานแอร์ (80%).

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

    Looking at all options, your cheapest flight can be booked for ฿14,100. While the most popular route (Sydney Kingsford Smith - Bangkok Suvarnabhumi) can be booked for ฿10,428 on average, our data indicates ฿20,074 when flying from Sydney to Bangkok Suvarnabhumi Airport.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Sydney to Bangkok Suvarnabhumi Airport (average of ฿9,516). Flying from Sydney to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of ฿17,761). 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 Bangkok Suvarnabhumi Airport?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Sydney to Suvarnabhumi on these airlines

Choose from the following airlines for your flight from Sydney to Suvarnabhumi. Flights are based on user searches made on Cheapflights and were last updated on 27 October 2025.
Thai Airways flights from Sydney Kingsford Smith to Bangkok Suvarnabhumi
Thai AirAsia X flights from Sydney Kingsford Smith to Bangkok Suvarnabhumi
Singapore Airlines flights from Sydney Kingsford Smith to Bangkok Suvarnabhumi

Top 6 airlines flying from Sydney to Suvarnabhumi

Discover the top 6 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 17,341 searches. Data last updated 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest฿9,809Average฿13,431FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Thai AirAsia XCheapest฿11,884Average฿30,758FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
China SouthernCheapest฿13,066Average฿17,610FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Singapore AirlinesCheapest฿15,545Average฿20,354FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest฿19,372Average฿27,003FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
แควนตัสแอร์เวย์Cheapest฿20,315Average฿24,608FlexibilityNo cancel feeOn-time74%
Search แควนตัสแอร์เวย์ flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Suvarnabhumi from Sydney today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Sydney to Suvarnabhumi?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Suvarnabhumi from Sydney.

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

Yes! Cheapflights helps users easily find flights from Sydney to Suvarnabhumi with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to Suvarnabhumi become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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