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Cheap flights from Bangkok to Sydney from $305

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to Sydney Kingsford Smith are usually found in July or August, booked 18 days in advance, depart on a Sunday or Saturday and return on a Wednesday

Cheap flight deals from Bangkok to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) 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 16 January 2026.

Round-trip from

$674

One-way from

$305

Popular in

January

Cheapest in

July

Average price

$1,465
8/2-8/3
  • 8/2-8/3
  • 2 total stops
  • 33h 10m total
  • Bangkok to Sydney
Search Deals
19/2
  • 19/2
  • 1 total stop
  • 22h 35m total
  • Bangkok to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($180 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($45 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Bangkok to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Sydney
Explore the most affordable flight options available from Bangkok to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2026.

Sun 8/221:25
DMK
-
SYD
1 stop19h 10m
Multiple Airlines
Sun 8/310:45
SYD
-
DMK
1 stop14h 00m
Multiple Airlines
Deal found 14/1$674
Wed 1/419:20
BKK
-
SYD
1 stop15h 45m
Hainan Airlines
Sat 11/421:00
SYD
-
BKK
1 stop16h 00m
Hainan Airlines
Deal found 14/1$674
Sat 14/215:40
DMK
-
SYD
2 stops24h 55m
Multiple Airlines
Sat 21/210:45
SYD
-
DMK
1 stop28h 50m
Multiple Airlines
Deal found 15/1$676
Thu 9/410:55
BKK
-
SYD
1 stop21h 50m
Scoot
Wed 15/413:00
SYD
-
BKK
1 stop33h 35m
Scoot
Deal found 14/1$676
Thu 5/220:15
BKK
-
SYD
3 stops33h 00m
Multiple Airlines
Thu 5/320:05
SYD
-
BKK
1 stop18h 45m
Multiple Airlines
Deal found 13/1$677
Fri 13/222:20
BKK
-
SYD
2 stops30h 55m
Multiple Airlines
Tue 17/220:05
SYD
-
BKK
1 stop27h 00m
Multiple Airlines
Deal found 14/1$678
Mon 2/309:05
DMK
-
SYD
2 stops31h 30m
Multiple Airlines
Tue 17/321:50
SYD
-
DMK
2 stops28h 35m
Multiple Airlines
Deal found 14/1$680
Sat 7/220:05
BKK
-
SYD
1 stop32h 00m
Multiple Airlines
Sat 21/213:35
SYD
-
BKK
1 stop33h 30m
Multiple Airlines
Deal found 14/1$680
Sun 1/321:25
DMK
-
SYD
1 stop19h 10m
Multiple Airlines
Sat 14/320:05
SYD
-
DMK
2 stops21h 05m
Multiple Airlines
Deal found 14/1$681
Sun 8/214:00
BKK
-
SYD
1 stop14h 05m
Multiple Airlines
Tue 10/220:05
SYD
-
BKK
1 stop16h 10m
Multiple Airlines
Deal found 14/1$681
Sat 14/214:00
BKK
-
SYD
1 stop14h 05m
Multiple Airlines
Sat 21/220:05
SYD
-
BKK
1 stop27h 00m
Multiple Airlines
Deal found 15/1$683
Wed 4/211:45
BKK
-
SYD
1 stop16h 20m
Multiple Airlines
Sun 15/220:05
SYD
-
BKK
1 stop30h 05m
Multiple Airlines
Deal found 14/1$684

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok 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 647,157 searches. Data last updated 16 January 2026.
Use the filters below to find and compare flights from Bangkok to Sydney that are best for you.

Fly from

Bangkok

Fly to

Sydney

Route

Depart

Return

Price

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sat 14/2

15:40-20:35

2 stops24h 55m

Sydney Kingsford Smith

Sat 21/2

10:45-11:35

1 stop28h 50m

$676

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 13/2

11:45-08:05

1 stop16h 20m

Sydney Kingsford Smith

Fri 20/2

20:05-19:05

1 stop27h 00m

$681

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 12/2

06:40-09:15

1 stop22h 35m

Sydney Kingsford Smith

Thu 19/2

11:15-23:10

1 stop15h 55m

$738

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 13/2

08:40-06:15

2 stops17h 35m

Sydney Kingsford Smith

Fri 20/2

10:45-19:10

1 stop12h 25m

$750

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sun 5/4

01:15-14:15

1 stop34h 00m

Sydney Kingsford Smith

Sun 19/4

20:20-16:40

1 stop23h 20m

$840

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 5/3

21:05-07:20

2 stops54h 15m

Sydney Kingsford Smith

Mon 9/3

15:10-14:55

2 stops51h 45m

$939

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 8/3

13:25-06:15

1 stop12h 50m

Sydney Kingsford Smith

Thu 12/3

07:15-22:00

1 stop18h 45m

$946

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 9/4

13:10-08:20

1 stop16h 10m

Sydney Kingsford Smith

Wed 15/4

20:50-07:50

1 stop14h 00m

$991

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 21/4

15:30-10:25

1 stop15h 55m

Sydney Kingsford Smith

Mon 27/4

15:00-08:05

1 stop20h 05m

$1,000

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 29/1

07:30-18:50

2 stops31h 20m

Sydney Kingsford Smith

Sun 1/2

21:50-11:35

1 stop17h 45m

$1,006

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 43 results
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Best time to book a flight from Bangkok to Sydney

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

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

Use this chart to determine the optimal time to book a return flight from Bangkok to Sydney. Price data was last updated on 9 January 2026.

To ensure you get the cheapest price possible for a flight from Bangkok to Sydney, you should look to book at least 18 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, March is the cheapest month in which you can book a flight from Bangkok to Sydney (average of $486). Flying from Bangkok to Sydney in January is currently the most expensive (average of $794). 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 Bangkok 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 16 January 2026.

When flying from Bangkok 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.

Weekly flight availability from Bangkok to Sydney

Explore weekly flight availability from Bangkok 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 16 January 2026.

The most flights from TH1 to SYD are scheduled on a Monday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).

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

How often are flights from Bangkok to Sydney delayed?

About 19% of weekly flights between Bangkok and Sydney have experienced delays in the past year, with the average delay time being 95 minutes.

What is the most punctual flight time for Bangkok to Sydney flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bangkok to Sydney flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 14% of flights being delayed.

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 16 January 2026.
See what other customers who have flown with Emirates, Thai Airways, andQantas Airways from Bangkok to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,469 reviews
Check prices

Crew

8.3

Entertainment

8.2

Overall

8.1

Comfort

8.0

Food

7.9

Boarding

8.1

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
3,469 reviews
Emirates
8.1
Very Good
3,469 reviews
Check prices

Crew

8.3

Entertainment

8.2

Overall

8.1

Comfort

8.0

Food

7.9

Boarding

8.1

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
378 reviews
Emirates
8.1
Very Good
3,469 reviews
Check prices

Crew

8.3

Entertainment

8.2

Overall

8.1

Comfort

8.0

Food

7.9

Boarding

8.1

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
971 reviews
Emirates
8.1
Very Good
3,469 reviews
Check prices

Crew

8.3

Entertainment

8.2

Overall

8.1

Comfort

8.0

Food

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Peter,Nov 2025

HKT - DXB

Great flight and the best food I’ve had on a plane
China Southern
7.3
Good
133 reviews
Emirates
8.1
Very Good
3,469 reviews
Check prices

Crew

8.3

Entertainment

8.2

Overall

8.1

Comfort

8.0

Food

7.9

Boarding

8.1

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
314 reviews
Emirates
8.1
Very Good
3,469 reviews
Check prices

Crew

8.3

Entertainment

8.2

Overall

8.1

Comfort

8.0

Food

7.9

Boarding

8.1

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 Bangkok 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?

    For a flight from Bangkok to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 17 inbound flights from Bangkok per day. 8 airlines have flights to Sydney Kingsford Smith from Bangkok on a regular basis.

  • How long is the flight from Bangkok to Sydney?

    There are many flights that can get you from Bangkok to Sydney in 15h 55m. Fly via Sichuan Airlines, China Eastern, or Singapore Airlines to get the fastest option. The distance between Bangkok and Sydney is about 7509 km. This flight may include one or multiple stops.

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

    Our cheapest airline available from Bangkok to Sydney is Philippine Airlines. Our recent data shows that you can find tickets from as low as $286 on this airline. Additional options worth looking into are Malaysia Airlines and Scoot, starting at $398 and $458 round-trip. You may be able to fly from Bangkok to Sydney for 74% less than the average price by searching for these airlines.

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

    $215 is the cheapest one-way deal found within the past few days, from Sichuan Airlines. You may also be able to find cheap deals on AirAsia and Scoot, with prices starting from $233 and $251, respectively.

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

    Consider Turkish Airlines (95%), Gulf Air (95%) or Oman Air (90%) when booking your flight. These represent the most reliable airlines when flying from Bangkok to Sydney.

  • What are the cheapest flights from Bangkok to Sydney?

    The cheapest flight price from Bangkok to Sydney is $332. On average you can expect to pay $1,864. The most popular route, (Bangkok Suvarnabhumi - Sydney Kingsford Smith), can usually be booked for $553.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Bangkok 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 to Sydney?

    Currently, March is the cheapest month in which you can book a flight from Bangkok to Sydney (average of $486). Flying from Bangkok to Sydney in January is currently the most expensive (average of $794). 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
Parramatta
Wollongong
Penrith
Terrigal
Katoomba
Manly
Lithgow
Coogee
Leura
Randwick
Cronulla
Bondi Beach

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Bangkok to Sydney

Discover the top 8 airlines that operate flights from Bangkok 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 647,157 searches. Data last updated 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$286Average$778FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Malaysia AirlinesCheapest$398Average$1,024FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
ScootCheapest$458Average$608FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
China SouthernCheapest$596Average$648FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Qantas AirwaysCheapest$926Average$1,163FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EmiratesCheapest$963Average$1,082FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Singapore AirlinesCheapest$1,016Average$1,140FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest$1,154Average$1,346FlexibilityNo cancel feeOn-time77%
Search Thai Airways 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 Bangkok to Sydney?

Cheapflights helps you search for flights from Bangkok 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 Bangkok to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from Bangkok to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

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

Not ready to book yet? You can track prices for flights from Bangkok to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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