฿7,127 Find Cheap Flights from Sydney to Southeast Asia – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to Southeast Asia departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Southeast Asia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Southeast Asia, as well as popular online travel agencies
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Flight Deals

Best Southeast Asia Flight Deals from Sydney

Cheapest return prices found by our users on KAYAK in the last 72 hours
Bangkok
Bangkok2 stops฿16,598
Chiang Mai
Chiang Mai1 stop฿13,962
Phuket City
Phuket City1 stop฿13,766
Krabi
Krabi1 stop฿13,116
Ko Samui
Ko Samui1 stop฿14,548
Bangkok
Bangkok2 stops฿16,598
Chiang Mai
Chiang Mai1 stop฿13,962
Phuket City
Phuket City1 stop฿13,766
Krabi
Krabi1 stop฿13,116
Ko Samui
Ko Samui1 stop฿14,548

Cheap Flights from Sydney to Southeast Asia

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Sydney to Southeast Asia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Sydney to Southeast Asia

Wed 21 Oct - Wed 28 Oct
Scoot Logo
14:00 - 16:45
SYD
-
KBV
30h 45m
1 stop
Scoot Logo
12:40 - 18:50
KBV
-
SYD
26h 10m
1 stop
฿13,116Scoot
Mon 3 Aug - Thu 13 Aug
Scoot Logo
20:35 - 13:15
SYD
-
HKT
19h 40m
1 stop
Scoot Logo
14:15 - 19:20
HKT
-
SYD
26h 05m
1 stop
฿13,766Scoot
Sun 2 Aug - Tue 11 Aug
Scoot Logo
20:35 - 11:55
SYD
-
HKT
18h 20m
1 stop
Scoot Logo
14:15 - 19:20
HKT
-
SYD
26h 05m
1 stop
฿13,799Scoot
Tue 11 Aug - Tue 25 Aug
Scoot Logo
20:35 - 12:15
SYD
-
HKT
18h 40m
1 stop
Scoot Logo
09:20 - 11:45
HKT
-
SYD
23h 25m
1 stop
฿13,832Scoot
Mon 10 Aug - Fri 14 Aug
Scoot Logo
20:35 - 08:20
SYD
-
HKT
14h 45m
1 stop
Scoot Logo
20:50 - 19:20
HKT
-
SYD
19h 30m
1 stop
฿13,864Scoot
Mon 7 Sep - Wed 14 Oct
Multiple Airlines Logo
13:00 - 08:20
SYD
-
HKT
22h 20m
1 stop
Multiple Airlines Logo
11:55 - 08:20
HKT
-
SYD
16h 25m
1 stop
฿13,929Multiple Airlines
Sun 26 Jul - Tue 11 Aug
Scoot Logo
13:00 - 16:35
SYD
-
CNX
30h 35m
1 stop
Scoot Logo
21:30 - 19:20
CNX
-
SYD
18h 50m
1 stop
฿13,962Scoot
Sat 8 Aug - Fri 21 Aug
Scoot Logo
13:00 - 13:15
SYD
-
HKT
27h 15m
1 stop
Scoot Logo
09:20 - 19:20
HKT
-
SYD
31h 00m
1 stop
฿14,027Scoot
Thu 3 Sep - Thu 10 Sep
Multiple Airlines Logo
10:15 - 10:55
SYD
-
HKT
27h 40m
1 stop
Multiple Airlines Logo
17:05 - 08:20
HKT
-
SYD
12h 15m
1 stop
฿14,222Multiple Airlines
Mon 26 Oct - Mon 9 Nov
VietJet Air Logo
11:15 - 14:05
SYD
-
BKK
30h 50m
2 stops
VietJet Air Logo
16:05 - 08:05
BKK
-
SYD
12h 00m
1 stop
฿16,858VietJet Air
Booking Insights

KAYAK's insights & trends for Sydney to Southeast Asia flights

Get data-powered insights and trends into flights from Sydney to Southeast Asia to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest Sydney to Southeast Asia flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Southeast Asia from Sydney found in the last 72 hours was to Ho Chi Minh City, at ฿9,768 return. The most popular route is from Sydney (SYD) to Bangkok Suvarnabhumi Airport (BKK), and the cheapest round-trip airline ticket found on this route in the last 5 days was ฿25,664.

What is the cheapest time of day to fly to Southeast Asia?

The average price for all round-trip flights from Sydney to Southeast Asia depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Southeast Asia is generally at night, when retur flights cost ฿15,938 on average. Morning departures are around 3% cheaper than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally in the evening, which is peak travel time and where the average cost of a ticket is ฿27,684.

Can I save money by flying with a stopover from Sydney to Southeast Asia?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of ฿25,751, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Sydney to Southeast Asia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sydney to Southeast Asia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sydney to Southeast Asia is November, when tickets cost ฿13,766 (return) on average. On the other hand, the most expensive months are December and January, when the average cost of return tickets is ฿30,299 and ฿21,219 respectively.

What’s the cheapest day of the week to fly from Sydney to Southeast Asia?

The average price of all round-trip flights from Sydney to Southeast Asia clicked on KAYAK for each day over the last 12 months.

For Sydney to Southeast Asia, Friday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Southeast Asia back to Sydney, the best deals are generally found on Monday, with Thursday being the most expensive.

How far in advance should I book a flight from Sydney to Southeast Asia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sydney to Southeast Asia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from Sydney to Southeast Asia, you should book around 5 weeks before departure, which saves you about 4% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Good to know

Low seasonMay
Cheapest flight฿7,127
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly (55% more expensive on average)
Flight from Sydney to Chiang Mai

Flights from Sydney to Southeast Asia: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Sydney to Southeast Asia 
Verified travelerFlew with แควนตัสแอร์เวย์
SYD
-
SIN
Jan 2026
leave time to get to next gate. some are a long walk.
RonaldFlew with Philippine Airlines
SYD
-
MNL
Jun 2024
- eat before flying. - bring your own entertainment like movies, tv

FAQs - booking Southeast Asia flights

  • How does KAYAK find such low prices on flights from Sydney to Southeast Asia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sydney to Southeast Asia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sydney to Southeast Asia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sydney to Southeast Asia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sydney to Southeast Asia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Sydney to Southeast Asia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to Southeast Asia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Sydney to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Southeast Asia

  • Looking for a cheap flight? 25% of our users found tickets from Sydney to the following destinations at these prices or less: Bangkok ฿16,517 one-way - ฿25,920 round-trip

Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports