Cheap flights from Sydney to Southeast Asia from $252

The cheapest month to fly to Southeast Asia from Sydney is in November. Flight prices, which tend to average around $595, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Southeast Asia, with average flight prices from Sydney averaging around $629.

Our data shows that Tuesday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as $612. On the other hand, Saturday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $677.

In the afternoon is the cheapest time of day to fly from Sydney to Southeast Asia when you can find flight prices for as low as $569. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of $678.

Fly from Sydney Kingsford Smith to Phuket City for the best Sydney Kingsford Smith - Southeast Asia flight prices

You are more likely to see cheaper flights to Southeast Asia from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $640 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Sydney for as low as $556 on momondo.

There are 4 cabin classes available to choose from on Sydney to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jetstar, Scoot, and VietJet Air are the most popular carriers operating from Sydney Kingsford Smith to Southeast Asia

Cebu Pacific, Scoot and VietJet Air are the top three most popular airlines that fly to Southeast Asia from Sydney according to our data. Cebu Pacific is the first choice among our users, with 33% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 25 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

As of August 2026, 122 flights take off from Sydney and land in Southeast Asia each day. The most common flight departure time for this route is 14:00, with 46% of daily flights taking off at midday.

The number of flights available between Sydney and Southeast Asia is 859 per week as of August 2026. The most frequent departure day is Sat, with 16% of weekly flights leaving on this day.