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Cheap flights from Sydney to Southeast Asia from £128

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
18 May — 25 May1
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 18 April 2026.

Thu 5/1117:35
SYD
-
DPS
Nonstop6h 25m
Jetstar
Thu 19/1122:20
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 14/4£245
Mon 31/816:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Thu 17/922:35
DPS
-
SYD
Nonstop5h 55m
Jetstar
Deal found 16/4£248
Thu 3/916:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Mon 28/922:35
DPS
-
SYD
Nonstop5h 55m
Jetstar
Deal found 17/4£248
Wed 29/716:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Mon 3/822:35
DPS
-
SYD
Nonstop5h 55m
Jetstar
Deal found 13/4£255
Mon 27/416:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Tue 5/522:35
DPS
-
SYD
Nonstop5h 55m
Jetstar
Deal found 15/4£257
Thu 3/916:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Mon 7/922:35
DPS
-
SYD
Nonstop5h 55m
Jetstar
Deal found 16/4£258
Sun 30/816:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Mon 7/922:35
DPS
-
SYD
Nonstop5h 55m
Jetstar
Deal found 17/4£259
Fri 29/516:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Mon 1/623:25
DPS
-
SYD
1 stop10h 30m
Jetstar
Deal found 13/4£263
Mon 27/416:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Wed 6/523:25
DPS
-
SYD
1 stop10h 30m
Jetstar
Deal found 14/4£265
Sun 6/916:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Wed 9/922:35
DPS
-
SYD
Nonstop5h 55m
Jetstar
Deal found 14/4£265
Sun 17/516:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Mon 25/523:25
DPS
-
SYD
1 stop10h 30m
Jetstar
Deal found 13/4£266
Sat 16/516:25
SYD
-
DPS
Nonstop6h 35m
Jetstar
Mon 18/523:25
DPS
-
SYD
1 stop10h 30m
Jetstar
Deal found 17/4£267

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 18 April 2026.

Round-trip from

£248

One-way from

£128

Popular in

December

Cheapest in

October

Average price

£554
Jetstar
  • Jetstar
  • 13/10-20/10
  • Nonstop
  • 12h 30m total
  • Sydney to Southeast Asia
Search Deals
Scoot
  • Scoot
  • 26/5
  • Nonstop
  • 8h 30m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 18 April 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

SydneyManila

SYD - MNL

SYDMNL

Sydney Kingsford Smith

Fri 24/7

09:45-22:10

1 stop14h 25m

Manila Ninoy Aquino Intl

Thu 27/8

13:15-08:20

1 stop17h 05m

£284

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 1/9

16:25-21:00

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Wed 9/9

22:35-06:30

Nonstop5h 55m

£286

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 7/6

06:15-10:50

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Thu 11/6

22:35-06:30

Nonstop5h 55m

£318

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 12/5

12:00-22:00

1 stop12h 00m

Denpasar Bali Ngurah Rai

Tue 19/5

15:50-08:40

1 stop14h 50m

£327
Fastest return journey

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 8/9

07:20-11:50

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Wed 9/9

22:15-06:05

Nonstop5h 50m

£338

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Tue 8/9

10:15-12:35

1 stop28h 20m

Kuala Lumpur Intl

Thu 10/9

13:35-07:20

1 stop15h 45m

£393

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Wed 19/8

10:05-14:40

2 stops30h 35m

Kuala Lumpur Intl

Mon 7/9

15:40-08:00

2 stops38h 20m

£399

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Sun 26/7

10:05-11:40

2 stops51h 35m

Singapore Changi

Wed 12/8

02:30-08:00

2 stops27h 30m

£422

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Thu 23/7

10:00-14:40

2 stops54h 40m

Kuala Lumpur Intl

Thu 10/9

15:40-09:00

3 stops63h 20m

£434

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Sun 2/8

10:05-14:40

2 stops54h 35m

Kuala Lumpur Intl

Mon 31/8

15:40-12:35

2 stops42h 55m

£434

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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, May is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of £311). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of £655). 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 18 April 2026.

A simple way to save on the total cost of your ticket is to fly from Sydney to Southeast Asia in the morning. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the afternoon.

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 11 April 2026.

Travellers seeking maximum savings on their Sydney to Southeast Asia flight should consider departing on Friday mornings when fares are most often at their lowest. Tuesday at midday 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 18 April 2026.

The most flights from SYD to zzYJX are scheduled on a Tuesday (16 on average). You will have fewer flight options on Monday, 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 18 April 2026.
Read through reviews of airlines operating flights from Sydney to Southeast Asia, such as Virgin Australia,China Southern, andCebu Pacific. 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
452 reviews
Check prices

Entertainment

6.4

Food

6.4

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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
452 reviews
Virgin Australia
7.6
Good
452 reviews
Check prices

Entertainment

6.4

Food

6.4

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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
7.4
Good
149 reviews
Virgin Australia
7.6
Good
452 reviews
Check prices

Entertainment

6.4

Food

6.4

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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
Cebu Pacific
6.9
Okay
215 reviews
Virgin Australia
7.6
Good
452 reviews
Check prices

Entertainment

6.4

Food

6.4

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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
540 reviews
Virgin Australia
7.6
Good
452 reviews
Check prices

Entertainment

6.4

Food

6.4

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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
6.0
Okay
82 reviews
Virgin Australia
7.6
Good
452 reviews
Check prices

Entertainment

6.4

Food

6.4

Crew

8.2

Comfort

7.5

Overall

7.6

Boarding

7.7

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 Jetstar, Virgin Australia, and VietJet Air fly from Sydney to Southeast Asia in about 6h 35m. The time it takes to get you to your destination can typically vary by up to 21h 45m. 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 £94. Users have also found prices from £96 and £117 on Scoot and Jetstar, 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 Gulf Air (97%), Austrian Airlines (95%) or Lufthansa (95%) 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 £704 for a flight from Sydney to Southeast Asia. The cheapest flight overall is £302 while the most popular route, (Sydney Kingsford Smith - Kuala Lumpur Intl) is currently priced at £310.

  • 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, May is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of £311). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of £655). 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 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapest£182Average£298FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
ScootCheapest£185Average£430FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Cebu PacificCheapest£224Average£306FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
China SouthernCheapest£339Average£415FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest£382Average£421FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
EmiratesCheapest£477Average£536FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Thai AirwaysCheapest£494Average£659FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Qantas AirwaysCheapest£520Average£980FlexibilityNo cancel feeOn-time74%
Search Qantas 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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