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Cheap flights from Sydney to Southeast Asia from £165

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
23 Jul — 30 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 23 June 2026.

Thu 5/1117:35
SYD
-
DPS
Nonstop6h 25m
Jetstar
Thu 12/1111:15
DPS
-
SYD
Nonstop6h 00m
Jetstar
Deal found 20/6£280
Mon 19/1017:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Thu 5/1122:20
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 18/6£280
Thu 29/1017:35
SYD
-
DPS
Nonstop6h 25m
Multiple Airlines
Thu 5/1121:10
DPS
-
SYD
Nonstop6h 05m
Multiple Airlines
Deal found 19/6£287
Wed 26/807:35
SYD
-
DPS
Nonstop6h 30m
Multiple Airlines
Mon 14/901:05
DPS
-
SYD
1 stop16h 15m
Multiple Airlines
Deal found 21/6£289
Wed 19/807:35
SYD
-
DPS
Nonstop6h 30m
Multiple Airlines
Sun 30/801:05
DPS
-
SYD
1 stop16h 15m
Multiple Airlines
Deal found 22/6£292
Mon 24/807:35
SYD
-
DPS
Nonstop6h 30m
Multiple Airlines
Sun 30/801:05
DPS
-
SYD
1 stop16h 15m
Multiple Airlines
Deal found 21/6£292
Tue 17/1107:15
SYD
-
DPS
Nonstop6h 30m
Batik Air
Thu 26/1121:10
DPS
-
SYD
Nonstop6h 05m
Batik Air
Deal found 20/6£294
Tue 3/1107:15
SYD
-
DPS
Nonstop6h 30m
Batik Air
Fri 20/1121:10
DPS
-
SYD
Nonstop6h 05m
Batik Air
Deal found 22/6£295
Thu 5/1117:35
SYD
-
DPS
Nonstop6h 25m
Jetstar
Fri 13/1122:20
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 23/6£295
Mon 2/1107:15
SYD
-
DPS
Nonstop6h 30m
Batik Air
Wed 11/1121:10
DPS
-
SYD
Nonstop6h 05m
Batik Air
Deal found 18/6£296
Mon 24/813:00
SYD
-
DPS
1 stop13h 05m
Scoot
Sun 30/801:05
DPS
-
SYD
1 stop16h 15m
Scoot
Deal found 21/6£304
Wed 21/1014:00
SYD
-
KUL
1 stop23h 35m
Scoot
Mon 26/1011:10
KUL
-
SYD
1 stop22h 00m
Scoot
Deal found 23/6£310

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 23 June 2026.

Round-trip from

£280

One-way from

£165

Popular in

December

Cheapest in

October

Average price

£623
Jetstar
  • Jetstar
  • 5/11-12/11
  • Nonstop
  • 12h 25m total
  • Sydney to Southeast Asia
Search Deals
Scoot
  • Scoot
  • 12/8
  • 1 total stop
  • 13h 05m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£53 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 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 858,174 searches. Data last updated 23 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

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 17/11

07:15-10:45

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Thu 26/11

21:10-06:15

Nonstop6h 05m

£294

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

£338

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Fri 31/7

08:35-15:40

Nonstop9h 05m

Kuala Lumpur Intl

Thu 27/8

19:55-06:15

Nonstop8h 20m

£357

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Fri 13/11

09:05-18:00

1 stop11h 55m

Singapore Changi

Mon 16/11

21:00-14:30

1 stop14h 30m

£361

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 12/10

21:50-14:55

1 stop20h 05m

Denpasar Bali Ngurah Rai

Thu 12/11

15:25-09:15

1 stop14h 50m

£366

SydneyPhuket City

SYD - HKT

SYDHKT

Sydney Kingsford Smith

Sat 12/9

13:05-19:20

Nonstop9h 15m

Phuket City

Mon 21/9

21:05-08:50

Nonstop8h 45m

£366

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Fri 4/12

06:35-18:00

1 stop14h 25m

Singapore Changi

Mon 7/12

21:00-14:30

1 stop14h 30m

£379
Fastest return journey

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 18/8

07:35-12:05

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Thu 3/9

22:15-06:05

Nonstop5h 50m

£385

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Sun 11/10

15:35-21:00

Nonstop8h 25m

Singapore Changi

Wed 21/10

20:20-07:05

Nonstop7h 45m

£412

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 29/10

12:00-20:55

1 stop11h 55m

Denpasar Bali Ngurah Rai

Thu 5/11

15:00-07:40

1 stop13h 40m

£412

Flights are sorted by cheapest return flights first.

Deals found on 18/6

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 £322). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of £711). 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 23 June 2026.

A simple way to save on the total cost of your ticket is to fly from Sydney to Southeast Asia in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the afternoon.

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 23 June 2026.

The most flights from SYD to zzYJX are scheduled on a Monday (17 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (15 on average).

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

The best time to book flights from Sydney to Southeast Asia is 85 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 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 at midday 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 23 June 2026.
Read through reviews of airlines operating flights from Sydney to Southeast Asia, such as Virgin Australia,China Southern, andScoot. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Australia
7.6
Good
462 reviews
Check prices

Comfort

7.5

Food

6.4

Crew

8.2

Overall

7.6

Boarding

7.7

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Virgin Australia
7.6
Good
462 reviews
Virgin Australia
7.6
Good
462 reviews
Check prices

Comfort

7.5

Food

6.4

Crew

8.2

Overall

7.6

Boarding

7.7

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
China Southern
7.5
Good
154 reviews
Virgin Australia
7.6
Good
462 reviews
Check prices

Comfort

7.5

Food

6.4

Crew

8.2

Overall

7.6

Boarding

7.7

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Scoot
6.7
Okay
325 reviews
Virgin Australia
7.6
Good
462 reviews
Check prices

Comfort

7.5

Food

6.4

Crew

8.2

Overall

7.6

Boarding

7.7

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Jetstar
6.5
Okay
547 reviews
Virgin Australia
7.6
Good
462 reviews
Check prices

Comfort

7.5

Food

6.4

Crew

8.2

Overall

7.6

Boarding

7.7

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Batik Air
5.9
Fair
83 reviews
Virgin Australia
7.6
Good
462 reviews
Check prices

Comfort

7.5

Food

6.4

Crew

8.2

Overall

7.6

Boarding

7.7

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

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?

    If you book a flight to Southeast Asia from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney.

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

    Airlines like Batik Air, Virgin Australia, and Jetstar fly from Sydney to Southeast Asia in about 6h 30m. The time it takes to get you to your destination can typically vary by up to 5h 25m. The distance from Sydney to 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?

    For one-way options, check prices for Hainan Airlines. According to our data, you can fly for as low as £96. Users have also found prices from £110 and £115 on Scoot and VietJet Air, respectively.

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

    Most travelers choose Sydney Kingsford Smith - Kuala Lumpur Intl, Sydney Kingsford Smith - Phuket 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 (85%), Austrian Airlines (84%) or Oman Air (70%) 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?

    On average you can expect to pay £752 for a flight from Sydney to Southeast Asia. The cheapest flight overall is £313 while the most popular route, (Sydney Kingsford Smith - Kuala Lumpur Intl) is currently priced at £317.

  • 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 £322). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of £711). 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 8 airlines flying from Sydney to Southeast Asia

Discover the top 8 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 858,174 searches. Data last updated 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest£186Average£304FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
ScootCheapest£189Average£491FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Cebu PacificCheapest£227Average£313FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
China SouthernCheapest£347Average£425FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest£391Average£430FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
EmiratesCheapest£488Average£587FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest£498Average£792FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Thai AirwaysCheapest£521Average£943FlexibilityNo 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 Sydney to Southeast Asia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Southeast Asia from Sydney.

Can Cheapflights find flights from Sydney to Southeast Asia with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Southeast Asia, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Sydney to Southeast Asia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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