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Cheap flights from Sydney to Southeast Asia from £124

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
17 Jan — 24 Jan1
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 December 2025.

Wed 17/1206:35SYD - DPS
Nonstop6h 20mJetstar
Wed 24/1222:20DPS - SYD
Nonstop6h 05mJetstar
Deal found 14/12£363
Wed 31/1207:15SYD - DPS
Nonstop6h 30mBatik Air
Sat 28/221:10DPS - SYD
Nonstop6h 05mBatik Air
Deal found 17/12£375
Tue 30/1208:50SYD - DPS
Nonstop7h 15mBatik Air
Wed 25/221:10DPS - SYD
Nonstop6h 05mBatik Air
Deal found 17/12£385
Wed 31/1217:35SYD - DPS
Nonstop6h 25mJetstar
Wed 31/1223:55DPS - SYD
1 stop9h 50mJetstar
Deal found 17/12£394
Tue 16/1214:25SYD - DPS
1 stop10h 50mVirgin Australia
Tue 23/1223:20DPS - SYD
1 stop10h 30mVirgin Australia
Deal found 15/12£400
Tue 30/1208:50SYD - DPS
Nonstop7h 15mBatik Air
Sat 28/221:10DPS - SYD
Nonstop6h 05mBatik Air
Deal found 17/12£405
Tue 30/1208:50SYD - DPS
Nonstop7h 15mBatik Air
Wed 31/1221:05DPS - SYD
Nonstop6h 45mBatik Air
Deal found 16/12£415
Tue 30/1221:50SYD - KUL
Nonstop8h 40mAirAsia X
Wed 11/208:55KUL - SYD
Nonstop8h 40mAirAsia X
Deal found 16/12£425
Wed 17/1206:35SYD - DPS
Nonstop6h 20mJetstar
Sat 27/1211:15DPS - SYD
Nonstop6h 00mJetstar
Deal found 16/12£428
Tue 16/1217:35SYD - DPS
Nonstop6h 25mJetstar
Sat 20/1222:20DPS - SYD
Nonstop6h 10mJetstar
Deal found 15/12£428
Wed 17/1215:50SYD - DPS
1 stop9h 25mVirgin Australia
Thu 18/1222:00DPS - SYD
1 stop9h 55mVirgin Australia
Deal found 16/12£431
Thu 25/1221:50SYD - KUL
Nonstop8h 40mAirAsia X
Mon 29/1208:55KUL - SYD
Nonstop8h 40mAirAsia X
Deal found 18/12£485

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 December 2025.

Round-trip from

£215

One-way from

£124

Popular in

December

Cheapest in

October

Average price

£710
Jetstar
  • Jetstar
  • 13/2-17/2
  • Nonstop
  • 12h 30m total
  • Sydney to Southeast Asia
Search Deals
Jetstar
  • Jetstar
  • 16/1
  • Nonstop
  • 6h 25m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 December 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

Wed 28/1

17:35-21:00

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Mon 9/2

22:20-07:30

Nonstop6h 10m

£234

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Wed 28/1

17:35-21:00

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Thu 12/2

22:20-07:25

Nonstop6h 05m

£234

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 9/2

17:35-21:00

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Fri 13/2

11:15-20:15

Nonstop6h 00m

£239

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 29/1

17:35-21:00

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Thu 5/2

22:20-07:25

Nonstop6h 05m

£249

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 2/2

06:35-09:55

Nonstop6h 20m

Denpasar Bali Ngurah Rai

Thu 5/2

22:20-07:25

Nonstop6h 05m

£249

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 15/2

12:20-22:15

1 stop12h 55m

Denpasar Bali Ngurah Rai

Sun 22/2

23:20-11:50

1 stop9h 30m

£266

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 18/1

17:35-21:00

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Tue 3/2

22:50-11:45

1 stop9h 55m

£285

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Mon 16/2

21:50-03:30

Nonstop8h 40m

Kuala Lumpur Intl

Fri 20/2

21:35-09:15

Nonstop8h 40m

£289

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Sun 22/2

21:50-03:30

Nonstop8h 40m

Kuala Lumpur Intl

Tue 3/3

08:55-20:35

Nonstop8h 40m

£290

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 25/1

13:50-22:15

1 stop11h 25m

Denpasar Bali Ngurah Rai

Tue 3/2

15:00-07:40

1 stop13h 40m

£296

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of £129). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of £322). 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 December 2025.

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 39% 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 13 December 2025.

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. Sunday 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 December 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 18 December 2025.
Read through reviews of airlines operating flights from Sydney to Southeast Asia, such as Virgin Australia, Cebu Pacific, 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
428 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Virgin Australia
7.6
Good
428 reviews
Virgin Australia
7.6
Good
428 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Cebu Pacific
6.8
Okay
204 reviews
Virgin Australia
7.6
Good
428 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Scoot
6.7
Okay
313 reviews
Virgin Australia
7.6
Good
428 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Jetstar
6.6
Okay
493 reviews
Virgin Australia
7.6
Good
428 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Batik Air
5.9
Fair
77 reviews
Virgin Australia
7.6
Good
428 reviews
Check prices

Crew

8.2

Boarding

7.7

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Reviews

1 / 20
6.0
Good

Andrew,Jun 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.

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, AirAsia X, and Scoot fly from Sydney to Southeast Asia in about 6h 25m. The time it takes to get you to your destination is usually consistent. The distance from Sydney to Southeast Asia is about 2870 mi. All flights are typically direct.

  • 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 £80. Users have also found prices from £96 and £114 on Scoot and Batik 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 - Bangkok Suvarnabhumi or Sydney Kingsford Smith - Denpasar Bali Ngurah Rai 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?

    On average you can expect to pay £887 for a flight from Sydney to Southeast Asia. The cheapest flight overall is £345 while the most popular route, (Sydney Kingsford Smith - Kuala Lumpur Intl) is currently priced at £314.

  • 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 £129). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of £322). 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 7 airlines flying from Sydney to Southeast Asia

Discover the top 7 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 December 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest£187Average£373FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Cebu PacificCheapest£221Average£286FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
JetstarCheapest£268Average£402FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Singapore AirlinesCheapest£280Average£440FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£357Average£520FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Thai AirwaysCheapest£454Average£515FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
EmiratesCheapest£462Average£500FlexibilityNo cancel feeOn-time75%
Search Emirates 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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