Cheap flights from Sydney to Southeast Asia from $226

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Sydney to Southeast Asia

Keep the following information in mind while searching for Sydney to Southeast Asia flight deals. Data was last updated 17 September 2025.

Round-trip from

$382

One-way from

$226

Popular in

December

Cheapest in

February

Average price

$998
Scoot
  • Scoot
  • 20/10-2/11
  • 1 total stop
  • 38h 35m total
  • Sydney to Southeast Asia
Scoot
  • Scoot
  • 12/10
  • 1 total stop
  • 23h 50m total
  • Sydney to Southeast Asia
Highest demand for flights based on searches. 14% potential increase in price ($266 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($57 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Sydney to Southeast Asia

Cheapest flights from Sydney to Southeast Asia
Explore the most affordable flight options available from Sydney to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Mon 20/1011:15SYD - SGN
Nonstop8h 50mMultiple Airlines
Sun 2/1109:05SGN - SYD
1 stop29h 45mMultiple Airlines
Deal found 16/9$382
Tue 14/1011:15SYD - SGN
Nonstop8h 50mMultiple Airlines
Tue 28/1015:40SGN - SYD
1 stop23h 10mMultiple Airlines
Deal found 16/9$385
Mon 20/1011:15SYD - SGN
Nonstop8h 50mMultiple Airlines
Thu 30/1015:40SGN - SYD
1 stop23h 10mMultiple Airlines
Deal found 15/9$387
Tue 4/1111:15SYD - SGN
Nonstop8h 35mMultiple Airlines
Wed 26/1109:05SGN - SYD
1 stop24h 00mMultiple Airlines
Deal found 15/9$388
Thu 23/1017:25SYD - SGN
Nonstop8h 50mJetstar
Sun 2/1122:40SGN - SYD
Nonstop8h 50mJetstar
Deal found 15/9$393
Thu 6/1116:25SYD - SGN
Nonstop8h 35mMultiple Airlines
Wed 19/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 16/9$394
Thu 6/1116:25SYD - SGN
Nonstop8h 35mMultiple Airlines
Thu 20/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 16/9$396
Thu 6/1116:25SYD - SGN
Nonstop8h 35mMultiple Airlines
Sun 23/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 15/9$397
Thu 23/1017:25SYD - SGN
Nonstop8h 50mMultiple Airlines
Sun 2/1109:05SGN - SYD
1 stop29h 45mMultiple Airlines
Deal found 15/9$399
Tue 21/1013:50SYD - SGN
1 stop31h 25mScoot
Fri 14/1109:05SGN - SYD
1 stop29h 45mScoot
Deal found 15/9$400
Tue 18/1120:05SYD - SIN
Nonstop8h 05mScoot
Sat 22/1107:55SIN - SYD
Nonstop7h 55mScoot
Deal found 14/9$462
Mon 27/1020:05SYD - SIN
Nonstop8h 05mScoot
Thu 30/1007:55SIN - SYD
Nonstop7h 55mScoot
Deal found 14/9$466

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Southeast Asia 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 17 September 2025.
Use the filters below to find and compare flights from Sydney to Southeast Asia that are best for you.

Fly from

Sydney

Fly to

Southeast Asia

Route

Depart

Return

Price

SydneyManila

SYD - MNL

SYDMNL

Sydney Kingsford Smith

Mon 2/2

21:50-12:15

1 stop17h 25m

Manila Ninoy Aquino Intl

Thu 5/3

12:55-09:15

1 stop17h 20m

$473

SydneyManila

SYD - MNL

SYDMNL

Sydney Kingsford Smith

Wed 5/11

21:50-12:15

1 stop17h 25m

Manila Ninoy Aquino Intl

Tue 11/11

01:10-20:35

1 stop16h 25m

$473

SydneyManila

SYD - MNL

SYDMNL

Sydney Kingsford Smith

Wed 22/10

10:15-22:10

1 stop14h 55m

Manila Ninoy Aquino Intl

Mon 17/11

01:10-20:35

1 stop16h 25m

$473

SydneyManila

SYD - MNL

SYDMNL

Sydney Kingsford Smith

Tue 28/10

21:50-12:15

1 stop17h 25m

Manila Ninoy Aquino Intl

Thu 11/12

01:10-20:35

1 stop16h 25m

$473

SydneyManila

SYD - MNL

SYDMNL

Sydney Kingsford Smith

Tue 28/10

21:50-12:15

1 stop17h 25m

Manila Ninoy Aquino Intl

Tue 4/11

12:55-20:35

1 stop28h 40m

$479

SydneyKuala Lumpur

SYD - SZB

SYDSZB

Sydney Kingsford Smith

Mon 9/3

20:05-13:10

1 stop20h 05m

Kuala Lumpur Subang

Wed 11/3

14:00-18:50

1 stop25h 50m

$520

SydneyKuala Lumpur

SYD - SZB

SYDSZB

Sydney Kingsford Smith

Wed 29/10

14:20-13:10

1 stop25h 50m

Kuala Lumpur Subang

Wed 5/11

14:00-18:50

1 stop25h 50m

$551

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 23/11

07:15-10:45

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Wed 3/12

21:10-06:15

Nonstop6h 05m

$556

SydneyKuala Lumpur

SYD - SZB

SYDSZB

Sydney Kingsford Smith

Tue 11/11

20:05-13:10

1 stop20h 05m

Kuala Lumpur Subang

Thu 20/11

14:00-18:50

1 stop25h 50m

$556

SydneyPhuket City

SYD - HKT

SYDHKT

Sydney Kingsford Smith

Sat 1/11

14:20-19:20

1 stop33h 00m

Phuket City

Sat 8/11

10:55-18:50

1 stop27h 55m

$556

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 60 results
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Best time to book a flight from Sydney to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia 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 Southeast Asia

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

Currently, February is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of $489). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of $911). 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 YJX?

Find hourly flight availability from Sydney to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

When flying from Sydney to Southeast Asia, 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 Sydney to Southeast Asia

Explore weekly flight availability from Sydney to Southeast Asia. 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 September 2025.

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

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated 17 September 2025.
Get a feel of what it's like to fly with Qantas Airways, Cebu Pacific, andScoot from Sydney to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.5

Crew

8.2

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Overall

7.5

Crew

8.2

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Overall

7.5

Crew

8.2

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Overall

7.5

Crew

8.2

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Overall

7.5

Crew

8.2

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Overall

7.5

Crew

8.2

Boarding

7.7

Comfort

7.5

Food

7.0

Entertainment

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

SYD - BNE

Great. Except I haven’t claimed my free lounge passes since 2022 on my Qantas credit card. That’s lots of flights I would have booked if you’d reminded me

Related info for your journey

Find useful and relevant information for your journey from Sydney to Southeast Asia. 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 Southeast Asia?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travellers will use when flying to Southeast Asia from Sydney.

  • How long is the flight from Sydney to Southeast Asia?

    Departing from Sydney to Southeast Asia will take you 6h 30m. The distance from Sydney to Southeast Asia is about 4619 km. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for Scoot. According to our data, you can fly for as low as $226. Users have also found prices from $270 and $291 on Jetstar and Batik Air, respectively.

  • What are the most popular routes from Sydney to Southeast Asia?

  • What are the most reliable airlines from Sydney to Southeast Asia?

    Before booking your flight to Southeast Asia from Sydney, have a look at the most reliable airlines to get you to your destination on time: Austrian Airlines (87%), Lufthansa (87%), Oman Air( 80%).

  • What are the cheapest flights from Sydney to Southeast Asia?

    On average you can expect to pay $2,403 for a flight from Sydney to Southeast Asia. The cheapest flight overall is $566 while the most popular route, (Sydney Kingsford Smith - Bangkok Suvarnabhumi) is currently priced at $438.

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

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

  • How can I find direct flights from Sydney to Southeast Asia?

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

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

    Yes. Cheapflights offers flight deals from Sydney to Southeast Asia 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 Southeast Asia?

    Currently, February is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of $489). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of $911). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Sydney to Southeast Asia

Discover the top 10 airlines that operate flights from Sydney to Southeast Asia. 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
A.P.G.Cheapest$493Average$1,137FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
FlexFlightCheapest$532Average$865FlexibilityNo cancel feeOn-timeN/A
Search FlexFlight flights
China SouthernCheapest$539Average$1,144FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Hainan AirlinesCheapest$540Average$781FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
XiamenAirCheapest$551Average$938FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
Thai AirAsia XCheapest$575Average$1,004FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
Sichuan AirlinesCheapest$606Average$824FlexibilityNo cancel feeOn-time63%
Search Sichuan Airlines flights
China AirlinesCheapest$675Average$1,045FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Hong Kong AirlinesCheapest$694Average$943FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Cathay PacificCheapest$725Average$1,153FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Sydney to Southeast Asia?

When you search for this flight from Sydney to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Southeast Asia 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 Sydney to Southeast Asia with no change fees?

Certainly. Search results for flights to Southeast Asia from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Sydney to Southeast Asia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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