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Cheap flights from Sydney to Southeast Asia from C$ 277

SYD — BKK
12 Oct — 19 Oct1
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

Tue 17/115:35 p.m. -
Nonstop6h 25m
Thu 26/1110:20 p.m. -
Nonstop6h 05m
Deal found 9/9C$ 507
Thu 19/115:35 p.m. -
Nonstop6h 25m
Thu 26/1110:20 p.m. -
Nonstop6h 05m
Deal found 8/9C$ 528
Wed 2/125:35 p.m. -
Nonstop6h 25m
Wed 9/1210:20 p.m. -
Nonstop6h 05m
Deal found 8/9C$ 551
Mon 2/117:55 a.m. -
Nonstop6h 30m
Mon 16/119:25 p.m. -
Nonstop6h 05m
Deal found 7/9C$ 556
Mon 23/115:35 p.m. -
Nonstop6h 25m
Tue 1/1210:20 p.m. -
Nonstop6h 05m
Deal found 6/9C$ 557
Mon 9/115:35 p.m. -
Nonstop6h 25m
Mon 16/1110:20 p.m. -
Nonstop6h 05m
Deal found 9/9C$ 558
Wed 11/112:00 p.m. -
1 stop10h 00m
Thu 19/1110:20 p.m. -
Nonstop6h 05m
Deal found 8/9C$ 561
Sat 31/105:35 p.m. -
Nonstop6h 25m
Thu 12/1110:20 p.m. -
Nonstop6h 05m
Deal found 11/9C$ 575
Sun 1/115:35 p.m. -
Nonstop6h 25m
Tue 10/1110:20 p.m. -
Nonstop6h 05m
Deal found 11/9C$ 580
Thu 5/116:00 a.m. -
1 stop18h 00m
Tue 17/119:25 p.m. -
Nonstop6h 05m
Deal found 9/9C$ 583
Sun 18/1010:45 a.m. -
1 stop13h 00m
Thu 22/106:45 p.m. -
1 stop11h 35m
Deal found 12/9C$ 736
Thu 29/109:35 p.m. -
Nonstop8h 15m
Thu 5/118:30 a.m. -
Nonstop7h 55m
Deal found 11/9C$ 768

Find flight deals from Sydney to Southeast Asia

Round-trip from

C$ 499

One-way from

C$ 277

Popular in

December

Cheapest in

October

Average price

C$ 797
Jetstar
  • Jetstar
  • 23/2-2/3
  • Nonstop
  • 12h 20m total
  • Sydney to Southeast Asia
Search Deals
21/10-31/12
  • 21/10-31/12
  • 1 total stop
  • 13h 40m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 317 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 91 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
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 Sydney Kingsford Smith - DPS Denpasar Bali Ngurah Rai

SYDDPS

Sydney Kingsford Smith

Sun 11/10

10:45 a.m.-9:45 p.m.

1 stop14h 00m

Denpasar Bali Ngurah Rai

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 320

SydneyDenpasar

SYD Sydney Kingsford Smith - DPS Denpasar Bali Ngurah Rai

SYDDPS

Sydney Kingsford Smith

Mon 12/10

9:50 p.m.-12:15 p.m.

1 stop17h 25m

Denpasar Bali Ngurah Rai

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 321

SydneyDenpasar

SYD Sydney Kingsford Smith - DPS Denpasar Bali Ngurah Rai

SYDDPS

Sydney Kingsford Smith

Wed 2/12

2:00 p.m.-9:00 p.m.

1 stop10h 00m

Denpasar Bali Ngurah Rai

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 341

SydneyDenpasar

SYD Sydney Kingsford Smith - DPS Denpasar Bali Ngurah Rai

SYDDPS

Sydney Kingsford Smith

Mon 30/11

2:00 p.m.-9:00 p.m.

1 stop10h 00m

Denpasar Bali Ngurah Rai

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 363

SydneySingapore

SYD Sydney Kingsford Smith - SIN Singapore Changi

SYDSIN

Sydney Kingsford Smith

Wed 11/11

7:00 a.m.-6:00 p.m.

1 stop14h 00m

Singapore Changi

Wed 31/12

12:00 a.m.-2:30 a.m.

Nonstop0h 00m

C$ 384

SydneyDenpasar

SYD Sydney Kingsford Smith - DPS Denpasar Bali Ngurah Rai

SYDDPS

Sydney Kingsford Smith

Fri 16/10

12:00 p.m.-10:00 p.m.

1 stop13h 00m

Denpasar Bali Ngurah Rai

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 427

SydneySingapore

SYD Sydney Kingsford Smith - SIN Singapore Changi

SYDSIN

Sydney Kingsford Smith

Tue 6/10

10:15 p.m.-8:30 p.m.

1 stop25h 15m

Singapore Changi

Wed 31/12

12:00 a.m.-2:30 a.m.

Nonstop0h 00m

C$ 488

SydneyDenpasar

SYD Sydney Kingsford Smith - DPS Denpasar Bali Ngurah Rai

SYDDPS

Sydney Kingsford Smith

Tue 23/2

7:55 a.m.-11:25 a.m.

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Thu 25/2

9:25 p.m.-6:30 a.m.

Nonstop6h 05m

C$ 571

SydneySingapore

SYD Sydney Kingsford Smith - SIN Singapore Changi

SYDSIN

Sydney Kingsford Smith

Mon 12/10

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

2 stops34h 15m

Singapore Changi

Wed 31/12

12:00 a.m.-2:30 a.m.

Nonstop0h 00m

C$ 672

SydneyDenpasar

SYD Sydney Kingsford Smith - DPS Denpasar Bali Ngurah Rai

SYDDPS

Sydney Kingsford Smith

Sun 20/9

10:15 a.m.-12:55 p.m.

1 stop28h 40m

Denpasar Bali Ngurah Rai

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 684

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 47 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

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$ 601). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of C$ 1,367). 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?

It’s typically best to fly out from Sydney to Southeast Asia in the evening. Doing so could potentially save you 46% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Sydney to Southeast Asia

The most flights from SYD to zzYJX are scheduled on a Friday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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?

Travelers seeking maximum savings on their Sydney to Southeast Asia flight should consider departing on Wednesday mornings 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

Read through reviews of airlines operating flights from Sydney to Southeast Asia, such as Cebu Pacific and 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.
Cebu Pacific
6.8
Okay
220 reviews
Check prices

Crew

7.5

Boarding

6.7

Entertainment

5.2

Food

5.8

Comfort

6.6

Overall

6.8

Reviews

1 / 14
10.0
Excellent

Jose,Feb 2026

DVO - TAG

Arrival Panglao a bit ahead on time. Best part of the flight
Cebu Pacific
6.8
Okay
220 reviews
Cebu Pacific
6.8
Okay
220 reviews
Check prices

Crew

7.5

Boarding

6.7

Entertainment

5.2

Food

5.8

Comfort

6.6

Overall

6.8

Reviews

1 / 14
10.0
Excellent

Jose,Feb 2026

DVO - TAG

Arrival Panglao a bit ahead on time. Best part of the flight
VietJet Air
5.6
Fair
174 reviews
Cebu Pacific
6.8
Okay
220 reviews
Check prices

Crew

7.5

Boarding

6.7

Entertainment

5.2

Food

5.8

Comfort

6.6

Overall

6.8

Reviews

1 / 14
10.0
Excellent

Jose,Feb 2026

DVO - TAG

Arrival Panglao a bit ahead on time. Best part of the flight

Related info for your journey

  • 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 30m. 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 VietJet Air, which is currently one of the cheapest options available, starting at C$ 213. Scoot flights start at C$ 220 while deals on Cebu Pacific start at C$ 242 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 (84%), Lufthansa (84%), EVA Air( 83%).

  • What are the cheapest flights from Sydney to Southeast Asia?

    While on average a flight from Sydney to Southeast Asia is generally C$ 928, our data shows the cheapest flight currently is C$ 671. When looking at the most popular route, (Sydney Kingsford Smith - Singapore Changi), you can expect to pay C$ 334 for that flight.

  • 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$ 601). Flying from Sydney to Southeast Asia in December is currently the most expensive (average of C$ 1,367). 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

Alternative routes for Sydney to Southeast Asia

Sydney to Singapore flights
Sydney to Denpasar flights

Top 2 airlines flying from Sydney to Southeast Asia

AirlineCheapestAverageFlexibilityOn-time
VietJet AirCheapestC$ 588AverageC$ 1,250FlexibilityNo cancel feeOn-timeN/A
Search VietJet Air flights
Cebu PacificCheapestC$ 672AverageC$ 1,033FlexibilityNo cancel feeOn-time64%
Search Cebu Pacific flights

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