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Cheap flights from Sydney to Southeast Asia from C$ 215

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

C$ 465

One-way from

C$ 215

Popular in

December

Cheapest in

March

Average price

C$ 731
Jetstar
  • Jetstar
  • 12/3-14/3
  • Nonstop
  • 12h 30m total
  • Sydney to Southeast Asia
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Scoot
  • Scoot
  • 30/10
  • Nonstop
  • 8h 05m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (C$ 412 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 84 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Sydney to Southeast Asia

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 15 September 2025.

Mon 1/125:35 p.m.SYD - DPS
Nonstop6h 25mJetstar
Wed 10/1210:20 p.m.DPS - SYD
Nonstop6h 05mJetstar
Deal found 14/9C$ 466
Thu 20/115:35 p.m.SYD - DPS
Nonstop6h 25mMultiple Airlines
Fri 28/1111:10 a.m.DPS - SYD
1 stop28h 40mMultiple Airlines
Deal found 13/9C$ 472
Sun 7/125:35 p.m.SYD - DPS
Nonstop6h 25mJetstar
Sat 20/1210:20 p.m.DPS - SYD
Nonstop6h 05mJetstar
Deal found 14/9C$ 486
Thu 20/112:20 p.m.SYD - DPS
1 stop30h 45mScoot
Fri 28/1111:10 a.m.DPS - SYD
1 stop28h 40mScoot
Deal found 13/9C$ 508
Fri 21/117:15 a.m.SYD - DPS
Nonstop6h 30mBatik Air
Mon 1/129:10 p.m.DPS - SYD
Nonstop6h 05mBatik Air
Deal found 14/9C$ 514
Thu 4/125:35 p.m.SYD - DPS
Nonstop6h 25mJetstar
Sat 20/1210:20 p.m.DPS - SYD
Nonstop6h 05mJetstar
Deal found 14/9C$ 519
Sun 19/105:45 p.m.SYD - DPS
Nonstop6h 45mVirgin Australia
Sun 26/1011:20 p.m.DPS - SYD
1 stop11h 30mVirgin Australia
Deal found 15/9C$ 525
Mon 15/911:00 a.m.SYD - DPS
1 stop13h 00mVirgin Australia
Fri 19/911:20 p.m.DPS - SYD
1 stop11h 30mVirgin Australia
Deal found 13/9C$ 529
Wed 10/125:45 p.m.SYD - DPS
Nonstop6h 30mVirgin Australia
Wed 17/1211:20 p.m.DPS - SYD
1 stop10h 30mVirgin Australia
Deal found 13/9C$ 533
Mon 8/125:45 p.m.SYD - DPS
Nonstop6h 30mVirgin Australia
Sat 20/1210:20 p.m.DPS - SYD
1 stop12h 30mVirgin Australia
Deal found 15/9C$ 534
Sun 12/104:15 p.m.SYD - DPS
1 stop9h 00mVirgin Australia
Sun 19/1011:20 p.m.DPS - SYD
1 stop13h 30mVirgin Australia
Deal found 14/9C$ 544
Thu 23/1010:15 p.m.SYD - SIN
1 stop12h 00mMultiple Airlines
Tue 4/1110:35 p.m.SIN - SYD
1 stop19h 00mMultiple Airlines
Deal found 15/9C$ 620

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 15 September 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 27/1

5:35 p.m.-9:00 p.m.

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Thu 5/2

10:20 p.m.-7:25 a.m.

Nonstop6h 05m

C$ 466

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Wed 10/12

5:35 p.m.-9:00 p.m.

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Wed 24/12

10:20 p.m.-7:25 a.m.

Nonstop6h 05m

C$ 486

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Wed 29/10

7:05 a.m.-11:35 a.m.

Nonstop7h 30m

Denpasar Bali Ngurah Rai

Wed 5/11

10:15 p.m.-6:05 a.m.

Nonstop4h 50m

C$ 581

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 7/11

7:15 a.m.-10:45 a.m.

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Sat 15/11

9:10 p.m.-6:15 a.m.

Nonstop6h 05m

C$ 587

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Tue 21/10

10:15 p.m.-7:15 a.m.

1 stop12h 00m

Singapore Changi

Tue 28/10

8:15 p.m.-8:35 p.m.

1 stop21h 20m

C$ 667

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sun 26/10

4:30 p.m.-7:45 p.m.

Nonstop6h 15m

Denpasar Bali Ngurah Rai

Tue 4/11

9:20 p.m.-6:15 a.m.

Nonstop5h 55m

C$ 671

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Wed 29/10

8:05 p.m.-1:10 a.m.

Nonstop8h 05m

Singapore Changi

Wed 5/11

7:55 a.m.-6:50 p.m.

Nonstop7h 55m

C$ 684

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 7/11

7:00 a.m.-9:00 p.m.

1 stop17h 00m

Denpasar Bali Ngurah Rai

Wed 12/11

9:20 p.m.-6:15 a.m.

Nonstop5h 55m

C$ 723

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 12/2

4:30 p.m.-7:45 p.m.

Nonstop6h 15m

Denpasar Bali Ngurah Rai

Sun 22/2

10:05 p.m.-3:30 p.m.

1 stop14h 25m

C$ 732

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sat 6/12

7:25 a.m.-9:00 p.m.

1 stop16h 35m

Denpasar Bali Ngurah Rai

Fri 12/12

10:05 p.m.-2:55 p.m.

1 stop13h 50m

C$ 741

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 46 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 round-trip 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, September is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of C$ 917). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of C$ 1,387). 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 15 September 2025.

When flying from Sydney to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 15 September 2025.

The most flights from SYD to zzYJX are scheduled on a Monday (18 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 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 15 September 2025.
Read through reviews of airlines operating flights from Sydney to Southeast Asia, such as Virgin Australia,Cebu Pacific, andBatik Air. 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
416 reviews
Check prices

Food

6.4

Entertainment

6.4

Crew

8.2

Boarding

7.7

Comfort

7.5

Overall

7.6

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
416 reviews
Virgin Australia
7.6
Good
416 reviews
Check prices

Food

6.4

Entertainment

6.4

Crew

8.2

Boarding

7.7

Comfort

7.5

Overall

7.6

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
201 reviews
Virgin Australia
7.6
Good
416 reviews
Check prices

Food

6.4

Entertainment

6.4

Crew

8.2

Boarding

7.7

Comfort

7.5

Overall

7.6

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
73 reviews
Virgin Australia
7.6
Good
416 reviews
Check prices

Food

6.4

Entertainment

6.4

Crew

8.2

Boarding

7.7

Comfort

7.5

Overall

7.6

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?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly out of when you book flights from Sydney to Southeast Asia.

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

    Departing from Sydney to Southeast Asia will take you 6h 25m. The distance between Sydney and Southeast Asia is about 4619 km. All flights are typically direct.

  • What are the most reliable airlines from Sydney to Southeast Asia?

    Before booking your flight to Southeast Asia from Sydney, check out the most reliable airlines to get you to your destination on time: Austrian Airlines (89%), Lufthansa (89%), Oman Air( 79%).

  • 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 vacation 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, September is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of C$ 917). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of C$ 1,387). 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 Singapore flights
Sydney to Denpasar flights

Top 3 airlines flying from Sydney to Southeast Asia

Discover the top 3 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 629,999 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Cebu PacificCheapestC$ 387AverageC$ 541FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights
ScootCheapestC$ 411AverageC$ 465FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Thai AirwaysCheapestC$ 889AverageC$ 908FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Southeast Asia for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Southeast Asia flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Sydney to Southeast Asia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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