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Cheap flights from Bangkok to Sydney from ฿6,123

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SYD
17 Dec — 24 Dec1
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 79 days in advance, depart on a Monday or Wednesday and return on a Sunday

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 17 November 2025.

Round-trip from

฿15,583

One-way from

฿6,123

Popular in

January

Cheapest in

July

Average price

฿25,854
30/11-28/2
  • 30/11-28/2
  • 3 total stops
  • 52h 40m total
  • Bangkok to Sydney
Search Deals
25/11
  • 25/11
  • 1 total stop
  • 12h 25m total
  • Bangkok to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (฿65,487 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿21,210 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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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 17 November 2025.

Sun 30/1101:10BKK - SYD
1 stop33h 30mMultiple Airlines
Sat 28/207:00SYD - BKK
2 stops19h 10mMultiple Airlines
Deal found 15/11฿15,583
Fri 21/1122:55BKK - SYD
1 stop15h 55mScoot
Fri 28/1113:35SYD - BKK
1 stop30h 25mScoot
Deal found 15/11฿15,681
Sat 29/1120:05BKK - SYD
1 stop32h 00mVietJet Air
Tue 2/1211:15SYD - BKK
1 stop29h 45mVietJet Air
Deal found 15/11฿15,713
Mon 17/1118:00BKK - SYD
2 stops34h 05mMultiple Airlines
Wed 19/1111:15SYD - BKK
1 stop11h 50mMultiple Airlines
Deal found 14/11฿15,778
Fri 26/1220:15BKK - SYD
1 stop12h 05mMultiple Airlines
Sun 11/112:30SYD - BKK
1 stop32h 05mMultiple Airlines
Deal found 16/11฿15,843
Tue 18/1114:30BKK - SYD
1 stop13h 35mMultiple Airlines
Fri 21/1111:15SYD - BKK
2 stops17h 55mMultiple Airlines
Deal found 15/11฿15,907
Tue 18/1115:40DMK - SYD
1 stop12h 25mMultiple Airlines
Fri 21/1120:05SYD - DMK
2 stops26h 00mMultiple Airlines
Deal found 15/11฿15,972
Sun 28/1219:10BKK - SYD
1 stop16h 10mMultiple Airlines
Sun 31/520:45SYD - BKK
2 stops18h 05mMultiple Airlines
Deal found 16/11฿15,972
Sun 21/1214:30BKK - SYD
2 stops26h 05mMultiple Airlines
Sat 10/112:30SYD - BKK
1 stop16h 15mMultiple Airlines
Deal found 15/11฿16,231
Mon 24/1117:00BKK - SYD
2 stops33h 15mMultiple Airlines
Wed 26/1113:35SYD - BKK
1 stop25h 15mMultiple Airlines
Deal found 16/11฿16,264
Thu 20/1118:25BKK - SYD
2 stops20h 25mMultiple Airlines
Thu 27/1113:35SYD - BKK
1 stop22h 40mMultiple Airlines
Deal found 15/11฿16,329
Fri 21/1106:35BKK - SYD
2 stops25h 45mMultiple Airlines
Fri 28/1113:35SYD - BKK
1 stop31h 50mMultiple Airlines
Deal found 16/11฿16,361

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 17 November 2025.
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

Sun 1/3

19:25-18:50

2 stops19h 25m

Sydney Kingsford Smith

Sun 8/3

13:35-07:50

2 stops22h 15m

฿16,329

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Sun 22/2

13:25-06:15

1 stop12h 50m

Sydney Kingsford Smith

Sun 15/3

11:15-19:45

1 stop12h 30m

฿16,491

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 6/3

01:55-10:55

1 stop29h 00m

Sydney Kingsford Smith

Wed 18/3

12:35-14:50

1 stop30h 15m

฿18,240

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Wed 24/12

15:40-08:05

1 stop12h 25m

Sydney Kingsford Smith

Mon 5/1

10:45-20:45

1 stop14h 00m

฿21,188

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Mon 16/2

19:40-20:35

1 stop20h 55m

Sydney Kingsford Smith

Mon 2/3

21:50-09:20

1 stop15h 30m

฿21,674

BangkokSydney

DMK - SYD

DMKSYD

Bangkok Don Mueang Intl

Fri 26/12

08:35-09:15

1 stop20h 40m

Sydney Kingsford Smith

Sun 11/1

21:50-07:50

1 stop14h 00m

฿21,998

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 12/3

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Mon 16/3

10:20-16:10

Nonstop9h 50m

฿22,193

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Thu 5/3

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Tue 17/3

10:20-16:10

Nonstop9h 50m

฿22,193

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Fri 6/3

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Fri 20/3

10:20-16:10

Nonstop9h 50m

฿22,193

BangkokSydney

BKK - SYD

BKKSYD

Bangkok Suvarnabhumi

Tue 9/12

18:00-07:35

Nonstop9h 35m

Sydney Kingsford Smith

Mon 9/3

10:20-16:10

Nonstop9h 50m

฿23,942

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 46 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 14 November 2025.

The best time to book flights from Bangkok to Sydney is 79 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 ฿10,432). Flying from Bangkok to Sydney in January is currently the most expensive (average of ฿15,357). 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 17 November 2025.

It’s optimal to fly from Bangkok to Sydney at midday. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Bangkok to Sydney. Price data was last updated on 2 November 2025.

Travellers seeking maximum savings on their Bangkok to Sydney flight should consider departing on Sunday afternoons 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 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 17 November 2025.

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?

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 17 November 2025.
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
3,412 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Emirates
8.1
Very Good
3,412 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Thai Airways
7.8
Good
361 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
แควนตัสแอร์เวย์
7.5
Good
937 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Scoot
6.7
Okay
310 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

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 17 inbound flights from Bangkok per day from 10 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 9h 35m. Hong Kong Airlines provides one of the quickest options available for as low as ฿22,193. 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 ฿5,734. Other airlines that can offer you cheap pricing are Scoot, from ฿10,431, and China Southern, from ฿13,095. You may be able to fly from Bangkok to Sydney for 76% 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 ฿6,415 on ไห่หนานแอร์ไลน์. Other airlines that offer cheap prices include VietJet Air from ฿9,395 and China Eastern from ฿11,469 one-way.

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

    Consider เตอร์กิชแอร์ไลน์ (85%), เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (80%) or Emirates (80%) 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 ฿840. While the most popular route (Bangkok Suvarnabhumi - Sydney Kingsford Smith) can be booked for ฿11,631 on average, our data indicates ฿14,926 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 ฿10,432). Flying from Bangkok to Sydney in January is currently the most expensive (average of ฿15,357). 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 10 airlines flying from Bangkok to Sydney

Discover the top 10 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 17 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsia XCheapest฿5,734Average฿16,016FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
ScootCheapest฿10,431Average฿12,928FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
China SouthernCheapest฿13,095Average฿13,985FlexibilityNo cancel feeOn-time69%
Search China Southern flights
ซื่อชวนแอร์ไลน์Cheapest฿14,510Average฿14,882FlexibilityNo cancel feeOn-time63%
Search ซื่อชวนแอร์ไลน์ flights
Malaysia AirlinesCheapest฿18,341Average฿21,607FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest฿19,751Average฿23,622FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest฿20,749Average฿26,270FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
แควนตัสแอร์เวย์Cheapest฿21,449Average฿25,628FlexibilityNo cancel feeOn-time74%
Search แควนตัสแอร์เวย์ flights
EmiratesCheapest฿21,547Average฿23,392FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Thai AirwaysCheapest฿25,314Average฿30,377FlexibilityNo 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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