Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Sydney to Southeast Asia from $249

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

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 4 November 2025.

Round-trip from

$403

One-way from

$249

Popular in

December

Cheapest in

February

Average price

$1,039
Scoot
  • Scoot
  • 17/2-3/3
  • 1 total stop
  • 38h 20m total
  • Sydney to Southeast Asia
Search Deals
Scoot
  • Scoot
  • 27/4
  • Nonstop
  • 8h 25m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($297 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($62 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Sydney to Southeast Asia

Enter your travel dates to find the best prices.

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 4 November 2025.

Sun 9/1114:20SYD - SGN
1 stop21h 45mMultiple Airlines
Sun 7/1219:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 2/11$425
Sat 8/1114:20SYD - SGN
1 stop21h 45mMultiple Airlines
Wed 12/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 2/11$429
Sun 9/1120:05SYD - SGN
1 stop16h 00mMultiple Airlines
Fri 21/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 2/11$431
Wed 12/1120:05SYD - SGN
1 stop16h 00mMultiple Airlines
Mon 17/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 2/11$434
Wed 5/1115:00SYD - DPS
1 stop8h 55mVirgin Australia
Mon 10/1115:50DPS - SYD
1 stop14h 35mVirgin Australia
Deal found 3/11$439
Sun 16/1120:05SYD - SGN
1 stop16h 00mMultiple Airlines
Thu 20/1122:40SGN - SYD
Nonstop8h 50mMultiple Airlines
Deal found 2/11$439
Fri 21/1111:30SYD - DPS
1 stop12h 25mVirgin Australia
Fri 28/1123:20DPS - SYD
1 stop10h 30mVirgin Australia
Deal found 3/11$440
Sun 9/1117:45SYD - DPS
Nonstop6h 30mVirgin Australia
Sun 16/1115:50DPS - SYD
1 stop14h 35mVirgin Australia
Deal found 3/11$443
Mon 10/1120:05SYD - SGN
1 stop16h 00mMultiple Airlines
Thu 20/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 3/11$443
Wed 5/1107:15SYD - DPS
Nonstop6h 30mBatik Air
Fri 21/1121:10DPS - SYD
Nonstop6h 05mBatik Air
Deal found 3/11$445
Fri 28/1117:45SYD - DPS
Nonstop6h 30mVirgin Australia
Tue 2/1222:00DPS - SYD
1 stop15h 25mVirgin Australia
Deal found 3/11$446
Tue 2/1207:15SYD - DPS
Nonstop6h 30mBatik Air
Tue 9/1221:10DPS - SYD
Nonstop6h 05mBatik Air
Deal found 3/11$448

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 4 November 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

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 2/12

17:45-21:15

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Tue 9/12

22:30-07:40

Nonstop6h 10m

$440

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 15/3

17:45-21:15

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Mon 16/3

22:30-07:40

Nonstop6h 10m

$449

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 17/11

17:45-21:15

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Mon 24/11

22:00-10:25

1 stop9h 25m

$452

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 6/2

12:20-22:15

1 stop12h 55m

Denpasar Bali Ngurah Rai

Sun 15/2

23:20-15:50

1 stop13h 30m

$457

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 8/2

11:30-20:55

1 stop12h 25m

Denpasar Bali Ngurah Rai

Sun 15/2

23:20-15:50

1 stop13h 30m

$465

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 22/2

17:35-21:00

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Tue 3/3

11:15-20:15

Nonstop6h 00m

$471

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 28/11

11:30-20:55

1 stop12h 25m

Denpasar Bali Ngurah Rai

Tue 2/12

22:00-09:55

1 stop8h 55m

$472

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 17/11

11:30-20:55

1 stop12h 25m

Denpasar Bali Ngurah Rai

Fri 28/11

22:00-11:25

1 stop10h 25m

$472

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 23/11

11:30-20:55

1 stop12h 25m

Denpasar Bali Ngurah Rai

Sun 30/11

22:00-11:25

1 stop10h 25m

$472

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Fri 14/11

20:05-01:10

Nonstop8h 05m

Singapore Changi

Sun 16/11

22:35-20:35

1 stop19h 00m

$487

Flights are sorted by cheapest return flights first.

Deals found on 3/11

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 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, March is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of $261). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of $663). 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 4 November 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 23% on flights from Sydney to Southeast Asia by exploring options for tickets in the evening.

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

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

Travellers seeking maximum savings on their Sydney to Southeast Asia flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday mornings 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 4 November 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 4 November 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.
Qantas Airways
7.5
Good
927 reviews
Check prices

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Entertainment

7.2

Boarding

7.7

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
927 reviews
Qantas Airways
7.5
Good
927 reviews
Check prices

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Entertainment

7.2

Boarding

7.7

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
202 reviews
Qantas Airways
7.5
Good
927 reviews
Check prices

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Entertainment

7.2

Boarding

7.7

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.
Scoot
6.7
Okay
309 reviews
Qantas Airways
7.5
Good
927 reviews
Check prices

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Entertainment

7.2

Boarding

7.7

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
479 reviews
Qantas Airways
7.5
Good
927 reviews
Check prices

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Entertainment

7.2

Boarding

7.7

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
5.8
Fair
74 reviews
Qantas Airways
7.5
Good
927 reviews
Check prices

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Entertainment

7.2

Boarding

7.7

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?

    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. Generally, flights for this route are direct.

  • 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 $254. Users have also found prices from $267 and $270 on VietJet Air and Jetstar, respectively.

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

    While some choose either Sydney Kingsford Smith - Denpasar Bali Ngurah Rai or Sydney Kingsford Smith - Manila Ninoy Aquino Intl, Sydney Kingsford Smith - Bangkok Suvarnabhumi is the most popular route 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: Lufthansa (92%), Austrian Airlines (91%), Thai Airways( 90%).

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

    On average you can expect to pay $2,596 for a flight from Sydney to Southeast Asia. The cheapest flight overall is $613 while the most popular route, (Sydney Kingsford Smith - Bangkok Suvarnabhumi) is currently priced at $481.

  • 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, March is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of $261). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of $663). 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.

Alternative routes for Sydney to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Denpasar flights
Sydney to Haneda flights
Sydney to Suvarnabhumi flights
Sydney to Narita flights
Sydney to Manila flights
Sydney to Incheon Intl flights
Sydney to Kuala Lumpur Intl flights
Sydney to Hong Kong flights
Sydney to Ho Chi Minh City flights
Sydney to Don Mueang Intl flights
Sydney to Singapore flights
Sydney to Dhaka flights
Sydney to Hongqiao Intl flights
Sydney to New Delhi flights
Sydney to Lahore flights
Sydney to Kathmandu flights
Sydney to Taiwan Taoyuan Intl flights
Sydney to Phuket City flights
Sydney to Pu Dong flights
Sydney to Soekarno-Hatta Intl flights
Sydney to Gimpo Intl flights
Sydney to Colombo flights
Sydney to Kansai Intl flights
Sydney to Hanoi flights
Sydney to Guangzhou flights
Sydney to Mumbai flights
Sydney to Osaka Itami flights
Coolangatta to Denpasar flights
Sydney to Bangalore flights
Sydney to Kobe flights
Sydney to Beijing Daxing Intl flights
Sydney to Capital flights
Sydney to Hyderabad flights
Sydney to Halim Perdana Kusuma flights
Sydney to Islamabad flights
Sydney to Chitose flights
Sydney to Chennai flights
Sydney to Cebu City flights
Sydney to Ahmedabad flights
Sydney to Almaty flights
Sydney to Shenzhen flights
Sydney to Da Nang flights
Sydney to Karachi flights
Sydney to Amritsar flights
Sydney to Chiang Mai flights
Sydney to Chubu Centrair Intl flights
Sydney to Hangzhou flights

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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest$142Average$832FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
JetstarCheapest$256Average$816FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
XiamenAirCheapest$512Average$995FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
FlexFlightCheapest$515Average$882FlexibilityNo cancel feeOn-timeN/A
Search FlexFlight flights
China SouthernCheapest$550Average$1,181FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Hainan AirlinesCheapest$565Average$818FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Thai AirAsia XCheapest$574Average$1,016FlexibilityNo cancel feeOn-timeN/A
Search Thai AirAsia X flights
A.P.G.Cheapest$582Average$1,273FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
Virgin AustraliaCheapest$633Average$1,223FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Malaysia AirlinesCheapest$646Average$993FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines 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 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.

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.