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Cheap flights from Sydney to Southeast Asia from C$ 256

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BKK
18 Jun — 25 Jun1
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 19 May 2026.

Sun 22/115:35 p.m.
SYD
-
DPS
Nonstop6h 25m
Jetstar
Tue 1/1210:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 17/5C$ 460
Sat 31/105:35 p.m.
SYD
-
DPS
Nonstop6h 25m
Jetstar
Mon 9/1110:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 16/5C$ 462
Wed 28/105:35 p.m.
SYD
-
DPS
Nonstop6h 25m
Jetstar
Sun 1/1110:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 15/5C$ 466
Wed 25/115:35 p.m.
SYD
-
DPS
Nonstop6h 25m
Jetstar
Wed 2/1210:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 17/5C$ 481
Sun 15/115:35 p.m.
SYD
-
DPS
Nonstop6h 25m
Jetstar
Sat 28/1110:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 14/5C$ 487
Thu 29/105:35 p.m.
SYD
-
DPS
Nonstop6h 25m
Jetstar
Wed 4/1110:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 19/5C$ 500
Thu 5/115:35 p.m.
SYD
-
DPS
Nonstop6h 25m
Jetstar
Tue 17/1110:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 15/5C$ 506
Mon 2/115:35 p.m.
SYD
-
DPS
Nonstop6h 25m
Jetstar
Mon 16/1110:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 17/5C$ 510
Mon 16/115:35 p.m.
SYD
-
DPS
Nonstop6h 25m
Jetstar
Sun 22/1110:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 15/5C$ 515
Sat 15/84:25 p.m.
SYD
-
DPS
Nonstop6h 35m
Jetstar
Mon 15/310:20 p.m.
DPS
-
SYD
Nonstop6h 05m
Jetstar
Deal found 18/5C$ 520
Tue 10/116:35 a.m.
SYD
-
SIN
1 stop14h 25m
Jetstar
Mon 23/119:00 p.m.
SIN
-
SYD
1 stop16h 20m
Jetstar
Deal found 17/5C$ 635
Wed 4/117:00 a.m.
SYD
-
SIN
1 stop14h 00m
Jetstar
Mon 9/119:00 p.m.
SIN
-
SYD
1 stop12h 25m
Jetstar
Deal found 19/5C$ 647

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 19 May 2026.

Round-trip from

C$ 462

One-way from

C$ 256

Popular in

December

Cheapest in

October

Average price

C$ 693
Jetstar
  • Jetstar
  • 31/10-9/11
  • Nonstop
  • 12h 30m total
  • Sydney to Southeast Asia
Search Deals
Jetstar
  • Jetstar
  • 10/8
  • Nonstop
  • 6h 35m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 353 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 85 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 19 May 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 round-trip

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sat 12/9

5:45 p.m.-10:30 p.m.

Nonstop6h 45m

Denpasar Bali Ngurah Rai

Tue 22/9

11:20 p.m.-1:50 p.m.

1 stop12h 30m

C$ 562

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 17/8

2:00 p.m.-10:00 p.m.

1 stop10h 00m

Denpasar Bali Ngurah Rai

Mon 24/8

11:20 p.m.-1:50 p.m.

1 stop12h 30m

C$ 588

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 14/8

5:45 p.m.-10:30 p.m.

Nonstop6h 45m

Denpasar Bali Ngurah Rai

Fri 21/8

11:20 p.m.-1:50 p.m.

1 stop12h 30m

C$ 639

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 12/10

6:45 p.m.-10:30 p.m.

Nonstop6h 45m

Denpasar Bali Ngurah Rai

Wed 14/10

11:20 p.m.-12:50 p.m.

1 stop10h 30m

C$ 643

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Wed 10/6

3:00 p.m.-10:00 p.m.

1 stop9h 00m

Denpasar Bali Ngurah Rai

Wed 17/6

11:20 p.m.-12:50 p.m.

1 stop11h 30m

C$ 664

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 11/6

3:00 p.m.-10:00 p.m.

1 stop9h 00m

Denpasar Bali Ngurah Rai

Thu 18/6

11:20 p.m.-3:50 p.m.

1 stop14h 30m

C$ 706

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 23/7

12:20 p.m.-10:15 p.m.

1 stop11h 55m

Denpasar Bali Ngurah Rai

Thu 30/7

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

Nonstop6h 00m

C$ 712

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 22/9

4:25 p.m.-9:00 p.m.

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Sat 26/9

10:35 p.m.-6:30 a.m.

Nonstop5h 55m

C$ 794
Quickest round-trip

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 14/7

7:20 a.m.-11:50 a.m.

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Sun 26/7

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

Nonstop5h 50m

C$ 863

SydneySingapore

SYD - SIN

SYDSIN

Sydney Kingsford Smith

Tue 27/10

11:15 a.m.-6:30 p.m.

2 stops34h 15m

Singapore Changi

Sat 31/10

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

2 stops40h 00m

C$ 870

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/5

Showing 1-10 of 44 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 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, November is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of C$ 572). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of C$ 1,240). 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 19 May 2026.

It’s typically best to fly out from Sydney to Southeast Asia in the evening. Doing so could potentially save you 28% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 19 May 2026.

The most flights from SYD to zzYJX are scheduled on a Monday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 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 round-trip from Sydney to Southeast Asia. Price data was last updated on 14 September 2025.

Travelers seeking maximum savings on their Sydney to Southeast Asia flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon 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 19 May 2026.
Read through reviews of airlines operating flights from Sydney to Southeast Asia, such as VietJet 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.
VietJet Air
5.6
Fair
167 reviews
Check prices

Crew

6.6

Food

4.7

Comfort

5.3

Boarding

6.0

Overall

5.6

Entertainment

4.0

Reviews

1 / 7
10.0
Excellent

xuan-anh,Apr 2026

SGN - SYD

Check in was too long (58 mn). Online check in wasn’t available on this flight (VJ85).
VietJet Air
5.6
Fair
167 reviews
VietJet Air
5.6
Fair
167 reviews
Check prices

Crew

6.6

Food

4.7

Comfort

5.3

Boarding

6.0

Overall

5.6

Entertainment

4.0

Reviews

1 / 7
10.0
Excellent

xuan-anh,Apr 2026

SGN - SYD

Check in was too long (58 mn). Online check in wasn’t available on this flight (VJ85).

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 45m. The distance between Sydney and Southeast Asia is about 4619 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Sydney to Southeast Asia one-way?

    To fly one-way, consider booking your trip with Scoot, which is currently one of the cheapest options available, starting at C$ 206. Cebu Pacific flights start at C$ 206 while deals on VietJet Air start at C$ 239 one-way.

  • 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 (90%), Lufthansa (90%), Oman Air( 75%).

  • 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, November is the cheapest month in which you can book a flight from Sydney to Southeast Asia (average of C$ 572). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of C$ 1,240). 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 airline flying from Sydney to Southeast Asia

Discover the top airline 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 19 May 2026.
AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapestC$ 394AverageC$ 1,240FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air 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.

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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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