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Cheap flights from Bangkok to Sydney from ฿6,365

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
9 Apr — 16 Apr1
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 44 days in advance, depart on a Monday or Wednesday and return on a Sunday

Cheap 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 10 March 2026.

Tue 18/813:40
DMK
-
SYD
1 stop14h 40m
Multiple Airlines
Sun 23/820:50
SYD
-
DMK
1 stop14h 00m
Multiple Airlines
Deal found 10/3฿13,529
Wed 28/1018:25
BKK
-
SYD
2 stops33h 40m
Multiple Airlines
Tue 10/1114:20
SYD
-
BKK
1 stop21h 55m
Multiple Airlines
Deal found 10/3฿13,529
Thu 1/1019:55
BKK
-
SYD
1 stop32h 25m
VietJet Air
Fri 16/1011:15
SYD
-
BKK
1 stop31h 30m
VietJet Air
Deal found 9/3฿13,561
Tue 17/320:05
BKK
-
SYD
1 stop32h 00m
Multiple Airlines
Sat 21/320:05
SYD
-
BKK
1 stop25h 20m
Multiple Airlines
Deal found 10/3฿13,625
Fri 29/515:45
BKK
-
SYD
1 stop12h 35m
VietJet Air
Wed 3/610:15
SYD
-
BKK
1 stop31h 30m
VietJet Air
Deal found 10/3฿13,657
Wed 20/515:45
BKK
-
SYD
1 stop12h 35m
Multiple Airlines
Mon 1/620:35
SYD
-
BKK
1 stop14h 30m
Multiple Airlines
Deal found 9/3฿13,689
Mon 17/821:30
DMK
-
SYD
1 stop19h 05m
Multiple Airlines
Sun 23/820:50
SYD
-
DMK
1 stop15h 40m
Multiple Airlines
Deal found 10/3฿13,721
Sat 9/507:05
DMK
-
SYD
1 stop22h 15m
Multiple Airlines
Wed 13/520:50
SYD
-
DMK
1 stop19h 10m
Multiple Airlines
Deal found 10/3฿13,753
Sat 9/507:05
DMK
-
SYD
1 stop22h 15m
Multiple Airlines
Sat 16/509:45
SYD
-
DMK
1 stop14h 05m
Multiple Airlines
Deal found 9/3฿13,785
Sun 31/515:45
BKK
-
SYD
1 stop12h 35m
Multiple Airlines
Mon 15/620:35
SYD
-
BKK
1 stop14h 30m
Multiple Airlines
Deal found 9/3฿13,785
Tue 20/1020:35
BKK
-
SYD
1 stop19h 45m
Scoot
Wed 28/1020:05
SYD
-
BKK
1 stop16h 10m
Scoot
Deal found 9/3฿13,817
Sat 9/516:50
DMK
-
SYD
1 stop12h 30m
Multiple Airlines
Mon 11/520:50
SYD
-
DMK
1 stop14h 00m
Multiple Airlines
Deal found 9/3฿13,881

Find 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 10 March 2026.

Round-trip from

฿13,529

One-way from

฿6,365

Popular in

January

Cheapest in

July

Average price

฿23,060
18/8-23/8
  • 18/8-23/8
  • 2 total stops
  • 28h 40m total
  • Bangkok to Sydney
Search Deals
10/7
  • 10/7
  • 2 total stops
  • 15h 30m total
  • Bangkok to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (฿82,155 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿19,902 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 17,341 searches. Data last updated 10 March 2026.
Use the filters below to find and compare flights from Bangkok to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Thu 9/4

13:50-08:20

2 stops15h 30m

Sydney Kingsford Smith

Wed 15/4

20:50-12:00

1 stop18h 10m

฿15,128

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 12/5

01:10-14:15

1 stop34h 05m

Sydney Kingsford Smith

Sat 16/5

20:20-16:50

1 stop23h 30m

฿16,695

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 28/8

10:05-06:05

2 stops17h 00m

Sydney Kingsford Smith

Sat 5/9

10:15-23:05

1 stop15h 50m

฿16,727

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 30/3

06:40-12:45

2 stops26h 05m

Sydney Kingsford Smith

Wed 15/4

16:40-07:50

2 stops18h 10m

฿17,910

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sun 5/4

01:25-06:15

1 stop25h 50m

Sydney Kingsford Smith

Sat 25/4

08:15-00:25

1 stop19h 10m

฿18,710
Fastest return journey

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 24/7

13:35-08:20

1 stop15h 45m

Sydney Kingsford Smith

Sun 2/8

20:50-09:30

1 stop15h 40m

฿19,318

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 9/7

13:25-08:00

1 stop15h 35m

Sydney Kingsford Smith

Wed 22/7

10:15-12:10

1 stop28h 55m

฿20,405

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 29/5

20:50-08:00

2 stops32h 10m

Sydney Kingsford Smith

Sat 6/6

10:00-19:50

2 stops36h 50m

฿20,597

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Sat 6/6

13:20-07:55

2 stops39h 35m

Sydney Kingsford Smith

Wed 10/6

14:10-22:15

2 stops35h 05m

฿20,629

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 15/5

15:55-08:00

2 stops37h 05m

Sydney Kingsford Smith

Fri 22/5

10:05-14:55

3 stops31h 50m

฿20,661

Flights are sorted by cheapest return flights first.

Deals found on 5/3

Showing 1-10 of 38 resultsSorted by cheapest first
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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 6 March 2026.

The best time to book flights from Bangkok to Sydney is 44 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 Bangkok to Sydney?

Currently, August is the cheapest month in which you can book a flight from Bangkok to Sydney (average of ฿10,746). Flying from Bangkok to Sydney in December is currently the most expensive (average of ฿13,017). 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 10 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bangkok to Sydney as you normally would.

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 10 March 2026.

The most flights from TH1 to SYD are scheduled on a Monday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (16 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 16% of weekly flights between Bangkok and Sydney have experienced delays in the past year, with the average delay time being 96 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?

Thursday 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 11% 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 10 March 2026.
Get a feel of what it's like to fly with Emirates,Thai Airways, andแควนตัสแอร์เวย์ from Bangkok to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,540 reviews
Check prices

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines
Emirates
8.1
Very Good
3,540 reviews
Emirates
8.1
Very Good
3,540 reviews
Check prices

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines
Thai Airways
7.8
Good
391 reviews
Emirates
8.1
Very Good
3,540 reviews
Check prices

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines
แควนตัสแอร์เวย์
7.5
Good
1,002 reviews
Emirates
8.1
Very Good
3,540 reviews
Check prices

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines
Malaysia Airlines
7.3
Good
293 reviews
Emirates
8.1
Very Good
3,540 reviews
Check prices

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines
Scoot
6.7
Okay
320 reviews
Emirates
8.1
Very Good
3,540 reviews
Check prices

Overall

8.1

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Feb 2026

EBB - DXB

Emirates is the best airline in the world Big up Emirates airlines

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?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Bangkok. On average, Kingsford Smith has 16 inbound flights from Bangkok per day from 7 airlines. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • How long is the flight from Bangkok to Sydney?

    A quick flight from Bangkok to Sydney can take about 15h 35m. ซื่อชวนแอร์ไลน์ provides one of the quickest options available for as low as ฿20,405. The distance between Bangkok and Sydney is about 7509 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Cheapflights users have booked flights from Bangkok to Sydney return from ฿10,888. Other airlines that can offer you cheap pricing are Singapore Airlines, from ฿18,898, and Malaysia Airlines, from ฿18,969. You may be able to fly from Bangkok to Sydney for 55% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as ฿2,476 on Emirates. Other airlines that offer cheap prices include แอร์เอเชีย from ฿4,874 and Scoot from ฿5,474 one-way.

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

    Consider เตอร์กิชแอร์ไลน์ (77%), กัลฟ์แอร์ (75%) or โอมานแอร์ (72%) 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?

    Looking at all options, your cheapest flight can be booked for ฿15,027. While the most popular route (Bangkok Suvarnabhumi - Sydney Kingsford Smith) can be booked for ฿12,090 on average, our data indicates ฿26,059 when flying from Bangkok to Sydney.

  • 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, August is the cheapest month in which you can book a flight from Bangkok to Sydney (average of ฿10,746). Flying from Bangkok to Sydney in December is currently the most expensive (average of ฿13,017). 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
Wollongong

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bangkok to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Phuket City to Sydney flights
Chiang Mai to Sydney flights

Top 7 airlines flying from Bangkok to Sydney

Discover the top 7 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 17,341 searches. Data last updated 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest฿10,888Average฿12,905FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Singapore AirlinesCheapest฿18,898Average฿23,522FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest฿18,969Average฿22,063FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
EmiratesCheapest฿21,839Average฿23,079FlexibilityNo cancel feeOn-time75%
Search Emirates flights
แควนตัสแอร์เวย์Cheapest฿22,535Average฿25,910FlexibilityNo cancel feeOn-time74%
Search แควนตัสแอร์เวย์ flights
Cathay PacificCheapest฿23,054Average฿25,291FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Thai AirwaysCheapest฿24,854Average฿28,430FlexibilityNo 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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Bangkok to Sydney for you. Better yet — we are completely free to use.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Bangkok to Sydney, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Bangkok today and book when prices fit your budget.

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