HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southeast Asia

$166+ Cheap flights from Sydney (SYD) to Southeast Asia

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sydney to Southeast Asia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 18, 2025.

This Batik Air deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Batik Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:15 amSYD - DPS
Nonstop6h 30mBatik Air
Sat 2/289:10 pmDPS - SYD
Nonstop6h 05mBatik Air
Deal found 12/17$502
This Batik Air deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Batik Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:50 amSYD - DPS
Nonstop7h 15mBatik Air
Wed 2/259:10 pmDPS - SYD
Nonstop6h 05mBatik Air
Deal found 12/17$515
This Jetstar deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:35 pmSYD - DPS
Nonstop6h 25mJetstar
Wed 12/3111:55 pmDPS - SYD
1 stop9h 50mJetstar
Deal found 12/17$527
This Batik Air deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Batik Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:50 amSYD - DPS
Nonstop7h 15mBatik Air
Sat 2/289:10 pmDPS - SYD
Nonstop6h 05mBatik Air
Deal found 12/17$542
This Batik Air deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Batik Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:50 amSYD - DPS
Nonstop7h 15mBatik Air
Wed 12/319:05 pmDPS - SYD
Nonstop6h 45mBatik Air
Deal found 12/16$555
This AirAsia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:50 pmSYD - KUL
Nonstop8h 40mAirAsia X
Wed 2/118:55 amKUL - SYD
Nonstop8h 40mAirAsia X
Deal found 12/16$568
This Jetstar deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:35 amSYD - DPS
Nonstop6h 20mJetstar
Sat 12/2711:15 amDPS - SYD
Nonstop6h 00mJetstar
Deal found 12/16$572
This Virgin Australia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Australia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:30 amSYD - DPS
1 stop13h 25mVirgin Australia
Wed 12/1711:20 pmDPS - SYD
1 stop9h 30mVirgin Australia
Deal found 12/16$576
This Virgin Australia deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Australia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:50 pmSYD - DPS
1 stop11h 25mVirgin Australia
Thu 12/1810:30 pmDPS - SYD
Nonstop6h 10mVirgin Australia
Deal found 12/16$584
This Batik Air deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Batik Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:15 amSYD - DPS
Nonstop6h 30mBatik Air
Sat 2/289:10 pmDPS - SYD
Nonstop6h 05mBatik Air
Deal found 12/17$602
This Batik Air deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Batik Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:50 amSYD - DPS
Nonstop7h 15mBatik Air
Tue 2/249:10 pmDPS - SYD
Nonstop6h 05mBatik Air
Deal found 12/17$608
This Jetstar deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetstar is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:15 pmSYD - DPS
1 stop10h 40mJetstar
Wed 2/2511:15 amDPS - SYD
Nonstop6h 00mJetstar
Deal found 12/17$610

Find 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 December 18, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$286
(Kiwi.com)

One-way from

$166
(Jetstar)

Popular in

December

Cheapest in

March

Average price

$1,023
Provider with most accurate pricing for Sydney Kingsford Smith-Manila Ninoy Aquino Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Manila Ninoy Aquino Intl flights.
Search Deals
From Sydney Kingsford Smith to Southeast Asia
Search Deals
One-way flight from Sydney Kingsford Smith to Southeast Asia
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($207 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated December 18, 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

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Mon 3/9

9:50 pm-7:05 am

1 stop12h 15m

Singapore Changi

Mon 3/16

7:55 am-6:50 pm

Nonstop7h 55m

$353

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 2/12

7:15 am-10:45 am

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Mon 2/16

8:55 pm-11:50 am

1 stop11h 55m

$356

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Tue 5/12

10:15 am-12:35 pm

1 stop28h 20m

Kuala Lumpur Intl

Fri 5/15

1:35 pm-7:20 am

1 stop15h 45m

$360

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 2/16

7:15 am-10:45 am

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Thu 2/19

9:10 pm-6:15 am

Nonstop6h 05m

$380

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 1/15

5:35 pm-9:00 pm

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Mon 2/2

10:20 pm-7:30 am

Nonstop6h 10m

$385

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Fri 1/16

9:50 pm-3:30 am

Nonstop8h 40m

Kuala Lumpur Intl

Wed 2/11

8:55 am-8:35 pm

Nonstop8h 40m

$388

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 3/26

8:30 am-2:45 pm

1 stop9h 15m

Denpasar Bali Ngurah Rai

Mon 4/6

11:20 pm-12:50 pm

1 stop11h 30m

$394

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 2/13

12:20 pm-10:15 pm

1 stop12h 55m

Denpasar Bali Ngurah Rai

Mon 2/16

3:00 pm-8:40 am

1 stop14h 40m

$413

SydneyHanoi

SYD - HAN

SYDHAN

Sydney Kingsford Smith

Tue 3/17

1:35 pm-8:35 am

1 stop23h 00m

Hanoi Noibai

Wed 7/15

12:55 pm-11:45 am

1 stop19h 50m

$414

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Wed 4/15

7:05 am-11:35 am

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Sat 4/25

10:15 pm-6:05 am

Nonstop5h 50m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
1
2
3
...
6

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 round-trip 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, March is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of $173). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of $430). 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 December 18, 2025.

It’s typically best to fly out from Sydney to Southeast Asia in the evening. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Sydney to Southeast Asia?

Use this chart to determine the cheapest time to fly round-trip from Sydney to Southeast Asia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Sydney to Southeast Asia flight should consider departing on Friday afternoons 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.

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 December 18, 2025.

The most flights from SYD to zzYJX are scheduled on a Monday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 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 December 18, 2025.
Read reviews from past customers who have flown Qantas Airways, Cebu Pacific, and Jetstar from Sydney to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
947 reviews

Boarding

7.7

Crew

8.1

Comfort

7.5

Overall

7.5

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
947 reviews
Qantas Airways
7.5
Good
947 reviews

Boarding

7.7

Crew

8.1

Comfort

7.5

Overall

7.5

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Cebu Pacific
6.8
Okay
204 reviews
Qantas Airways
7.5
Good
947 reviews

Boarding

7.7

Crew

8.1

Comfort

7.5

Overall

7.5

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Jetstar
6.6
Okay
493 reviews
Qantas Airways
7.5
Good
947 reviews

Boarding

7.7

Crew

8.1

Comfort

7.5

Overall

7.5

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Batik Air
5.9
Fair
77 reviews
Qantas Airways
7.5
Good
947 reviews

Boarding

7.7

Crew

8.1

Comfort

7.5

Overall

7.5

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
VietJet Air
5.6
Fair
153 reviews
Qantas Airways
7.5
Good
947 reviews

Boarding

7.7

Crew

8.1

Comfort

7.5

Overall

7.5

Entertainment

7.2

Food

7.0

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

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?

    Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly out of when you book flights from Sydney to Southeast Asia.

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

    For as low as $385, VietJet Air can have you in Southeast Asia from Sydney in 6h 25m. The distance between Sydney and Southeast Asia is about 2870 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $126 on Scoot. Other airlines that offer cheap prices include VietJet Air from $138 and Jetstar from $148 one-way.

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

    Most travelers choose Sydney Kingsford Smith - Denpasar Bali Ngurah Rai, Sydney Kingsford Smith - Ho Chi Minh City or Sydney Kingsford Smith - Bangkok Suvarnabhumi when deciding on the best route from Sydney to Southeast Asia.

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

    No one likes to see their flight delayed. When booking a flight from Sydney to Southeast Asia consider choosing Lufthansa (98%), Austrian Airlines (98%) or Thai Airways (89%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Sydney to Southeast Asia is $378. On average you can expect to pay $1,159. The most popular route, (Sydney Kingsford Smith - Denpasar Bali Ngurah Rai), can usually be booked for $511.

  • 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 vacation 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, March is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of $173). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of $430). 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

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

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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$172Average$405FlexibilityNo cancel feeOn-timeN/A
JetstarCheapest$242Average$532FlexibilityNo cancel feeOn-time74%
VietJet AirCheapest$243Average$430FlexibilityNo cancel feeOn-timeN/A
China SouthernCheapest$245Average$477FlexibilityNo cancel feeOn-time69%
Cebu PacificCheapest$311Average$477FlexibilityNo cancel feeOn-time64%
Philippine AirlinesCheapest$426Average$628FlexibilityNo cancel feeOn-time60%
Malaysia AirlinesCheapest$468Average$736FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$472Average$776FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$478Average$584FlexibilityNo cancel feeOn-time72%
Singapore AirlinesCheapest$479Average$734FlexibilityNo cancel feeOn-time81%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights