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Cheap flights from Sydney to Southeast Asia from $255

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 21 June 2026.

Sun 26/715:10
SYD
-
SGN
Nonstop8h 50m
Jetstar
Thu 17/922:40
SGN
-
SYD
Nonstop8h 30m
Jetstar
Deal found 16/6$422
Wed 21/1011:15
SYD
-
SGN
Nonstop8h 50m
Multiple Airlines
Thu 29/1022:40
SGN
-
SYD
Nonstop8h 50m
Multiple Airlines
Deal found 17/6$430
Tue 20/1021:35
SYD
-
SGN
1 stop14h 40m
Multiple Airlines
Tue 3/1122:40
SGN
-
SYD
Nonstop8h 50m
Multiple Airlines
Deal found 16/6$432
Tue 3/1111:15
SYD
-
SGN
Nonstop8h 35m
VietJet Air
Sun 8/1119:30
SGN
-
SYD
Nonstop8h 35m
VietJet Air
Deal found 17/6$433
Mon 2/1120:05
SYD
-
SGN
1 stop22h 35m
Multiple Airlines
Thu 5/1122:40
SGN
-
SYD
Nonstop8h 50m
Multiple Airlines
Deal found 17/6$434
Wed 4/1111:15
SYD
-
SGN
Nonstop8h 35m
Multiple Airlines
Tue 10/1122:40
SGN
-
SYD
Nonstop8h 50m
Multiple Airlines
Deal found 17/6$439
Tue 3/1116:25
SYD
-
SGN
Nonstop8h 35m
Multiple Airlines
Fri 13/1119:30
SGN
-
SYD
Nonstop8h 35m
Multiple Airlines
Deal found 19/6$440
Wed 19/810:15
SYD
-
SGN
Nonstop8h 50m
Multiple Airlines
Tue 15/915:40
SGN
-
SYD
1 stop24h 40m
Multiple Airlines
Deal found 20/6$443
Mon 19/1011:15
SYD
-
SGN
Nonstop8h 50m
VietJet Air
Mon 2/1121:25
SGN
-
SYD
Nonstop8h 35m
VietJet Air
Deal found 19/6$444
Fri 30/1013:25
SYD
-
SGN
1 stop31h 25m
Multiple Airlines
Tue 3/1122:40
SGN
-
SYD
Nonstop8h 50m
Multiple Airlines
Deal found 18/6$447
Thu 23/715:10
SYD
-
SGN
Nonstop8h 50m
Jetstar
Tue 15/922:40
SGN
-
SYD
Nonstop8h 30m
Jetstar
Deal found 16/6$449
Sun 9/807:35
SYD
-
DPS
Nonstop6h 30m
Multiple Airlines
Thu 20/816:40
DPS
-
SYD
1 stop13h 40m
Multiple Airlines
Deal found 15/6$519

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 21 June 2026.

Round-trip from

$422

One-way from

$255

Popular in

December

Cheapest in

October

Average price

$1,174
Jetstar
  • Jetstar
  • 26/7-17/9
  • Nonstop
  • 17h 20m total
  • Sydney to Southeast Asia
Search Deals
Jetstar
  • Jetstar
  • 21/7
  • Nonstop
  • 8h 50m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($190 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($56 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 21 June 2026.
Use the filters below to find and compare flights from Sydney to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Wed 14/10

08:35-12:05

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Sat 24/10

22:15-07:05

Nonstop5h 50m

$581

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 5/11

17:35-21:00

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Sat 14/11

22:20-07:25

Nonstop6h 05m

$588

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Thu 23/7

13:00-19:30

Nonstop8h 30m

Singapore Changi

Tue 28/7

19:30-07:20

1 stop33h 50m

$627

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 6/10

18:45-22:30

Nonstop6h 45m

Denpasar Bali Ngurah Rai

Tue 13/10

23:20-13:50

1 stop11h 30m

$637

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sat 5/12

07:00-14:45

1 stop10h 45m

Denpasar Bali Ngurah Rai

Sat 12/12

15:50-07:25

1 stop12h 35m

$641

SydneyManila

SYD - MNL

SYDMNL

Sydney Kingsford Smith

Tue 1/9

20:50-12:15

1 stop17h 25m

Manila Ninoy Aquino Intl

Sun 20/9

13:15-19:35

1 stop28h 20m

$645

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Wed 21/10

22:15-04:10

Nonstop8h 55m

Kuala Lumpur Intl

Thu 22/10

19:35-06:55

Nonstop8h 20m

$651

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 11/8

07:35-12:05

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Tue 18/8

22:15-06:05

Nonstop5h 50m

$660

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 20/10

21:50-16:00

1 stop21h 10m

Denpasar Bali Ngurah Rai

Tue 3/11

21:55-20:35

1 stop19h 40m

$689

SydneyHo Chi Minh City

SYD - SGN

SYDSGN

Sydney Kingsford Smith

Tue 8/9

20:50-15:40

1 stop21h 50m

Ho Chi Minh City

Wed 30/9

19:55-07:20

Nonstop8h 25m

$698

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of $607). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of $1,341). 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 21 June 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 9% on flights from Sydney to Southeast Asia by exploring options for tickets in the morning.

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 21 June 2026.

The most flights from SYD to zzYJX are scheduled on a Tuesday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).

How far ahead should I book a flight from Sydney to Southeast Asia?

To ensure you get the cheapest price possible for a flight from Sydney to Southeast Asia, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 20 June 2026.

Travellers seeking maximum savings on their Sydney to Southeast Asia flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 21 June 2026.
Get a feel of what it's like to fly with Cebu Pacific,Scoot, andJetstar 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.
Cebu Pacific
6.8
Okay
218 reviews
Check prices

Overall

6.8

Boarding

6.7

Comfort

6.7

Entertainment

5.2

Food

5.8

Crew

7.5

Reviews

1 / 14
10.0
Excellent

Jose,Feb 2026

DVO - TAG

Arrival Panglao a bit ahead on time. Best part of the flight
Cebu Pacific
6.8
Okay
218 reviews
Cebu Pacific
6.8
Okay
218 reviews
Check prices

Overall

6.8

Boarding

6.7

Comfort

6.7

Entertainment

5.2

Food

5.8

Crew

7.5

Reviews

1 / 14
10.0
Excellent

Jose,Feb 2026

DVO - TAG

Arrival Panglao a bit ahead on time. Best part of the flight
Scoot
6.7
Okay
325 reviews
Cebu Pacific
6.8
Okay
218 reviews
Check prices

Overall

6.8

Boarding

6.7

Comfort

6.7

Entertainment

5.2

Food

5.8

Crew

7.5

Reviews

1 / 14
10.0
Excellent

Jose,Feb 2026

DVO - TAG

Arrival Panglao a bit ahead on time. Best part of the flight
Jetstar
6.5
Okay
545 reviews
Cebu Pacific
6.8
Okay
218 reviews
Check prices

Overall

6.8

Boarding

6.7

Comfort

6.7

Entertainment

5.2

Food

5.8

Crew

7.5

Reviews

1 / 14
10.0
Excellent

Jose,Feb 2026

DVO - TAG

Arrival Panglao a bit ahead on time. Best part of the flight
Batik Air
5.9
Fair
83 reviews
Cebu Pacific
6.8
Okay
218 reviews
Check prices

Overall

6.8

Boarding

6.7

Comfort

6.7

Entertainment

5.2

Food

5.8

Crew

7.5

Reviews

1 / 14
10.0
Excellent

Jose,Feb 2026

DVO - TAG

Arrival Panglao a bit ahead on time. Best part of the flight
VietJet Air
5.6
Fair
168 reviews
Cebu Pacific
6.8
Okay
218 reviews
Check prices

Overall

6.8

Boarding

6.7

Comfort

6.7

Entertainment

5.2

Food

5.8

Crew

7.5

Reviews

1 / 14
10.0
Excellent

Jose,Feb 2026

DVO - TAG

Arrival Panglao a bit ahead on time. Best part of the flight

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 25m. 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 $187. Users have also found prices from $187 and $190 on China Eastern and VietJet Air, respectively.

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

    While some choose either Sydney Kingsford Smith - Bangkok Suvarnabhumi or Sydney Kingsford Smith - Manila Ninoy Aquino Intl, Sydney Kingsford Smith - Denpasar Bali Ngurah Rai 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 (85%), Austrian Airlines (84%), Oman Air( 70%).

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

    On average you can expect to pay $2,355 for a flight from Sydney to Southeast Asia. The cheapest flight overall is $635 while the most popular route, (Sydney Kingsford Smith - Denpasar Bali Ngurah Rai) is currently priced at $473.

  • 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, November is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of $607). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of $1,341). 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 647,157 searches. Data last updated 21 June 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$216Average$734FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Hainan AirlinesCheapest$368Average$708FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
XiamenAirCheapest$368Average$928FlexibilityNo cancel feeOn-time49%
Search XiamenAir flights
China EasternCheapest$375Average$939FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
FlexFlightCheapest$419Average$719FlexibilityNo cancel feeOn-timeN/A
Search FlexFlight flights
Hahn Air SystemsCheapest$421Average$898FlexibilityNo cancel feeOn-timeN/A
Search Hahn Air Systems flights
A.P.G.Cheapest$438Average$1,096FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
China SouthernCheapest$492Average$1,077FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Batik AirCheapest$496Average$1,026FlexibilityNo cancel feeOn-timeN/A
Search Batik Air flights
Malaysia AirlinesCheapest$546Average$900FlexibilityNo 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.

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