Cheap flights from Sydney to Southeast Asia from £133

The month of November is, on average, the cheapest month to fly to Southeast Asia from Sydney, with most prices found around £313. If you are unable to visit Southeast Asia during the month of November, then departing from Sydney during the month May is also very affordable. Most momondo users find prices during this month for around £327.

Our data shows that Sunday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as £779. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Southeast Asia on Wednesday is £1,137.

In the morning is the cheapest time of day to fly from Sydney to Southeast Asia when you can find flight prices for as low as £870. Flying to Southeast Asia in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at midday because they tend to be around £1,177. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Sydney Kingsford Smith to Singapore Changi 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 £566 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 £517 on momondo.

There are 3 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 Batik Air are the most popular carriers operating from Sydney Kingsford Smith to Southeast Asia

Scoot, Qantas Airways and Cebu Pacific are the top three most popular airlines that fly to Southeast Asia from Sydney according to our data. Scoot is the first choice among our users, with 34% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 8 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, there are 115 flights per day flying from Sydney to Southeast Asia. The most common time of day flights depart is 14:00, with 48% of flights taking off at midday.

807 flights are operational weekly from Sydney to Southeast Asia as of August 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.