Cheap flights from Western Australia to South Australia from $165

In general, June is the cheapest month to fly from Western Australia to South Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $328. If you aren’t able to travel during the month of June, then book flights to South Australia from Western Australia during May instead. Flights to South Australia in May, while not as cheap as those in June, still average around $334.

On average, the least expensive day to fly to South Australia from Western Australia is on a Saturday. momondo users have found tickets for Saturday departures for as low as $385. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Western Australia to South Australia for around $443.

Our most recent data shows that the best time of day to fly to South Australia is in the afternoon. Flights from Western Australia to South Australia during this time can be as low as $387. Flights to South Australia are more costly at midday, with an average ticket price of $527. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Perth to Adelaide for the best Western Australia - South Australia flight prices

You are more likely to see cheaper flights to South Australia from Western Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to South Australia for around $401 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Australia from Western Australia for as low as $362 on momondo.

There are 3 cabin classes available to choose from on Western Australia to South Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jetstar is the most popular carrier operating from Western Australia to South Australia

Jetstar, Virgin Australia and Qantas Airways are the top three most popular airlines that fly to South Australia from Western Australia according to our data. Jetstar is the first choice among our users, with 63% of people opting to fly with this airline when travelling to South Australia. Keep in mind that there are 3 different airlines that fly to South Australia on a routine basis, so you have a few additional options to choose from.

The number of flights available between Western Australia and South Australia is 17 per day as of February 2026. The most frequent departure time is 17:00, with 58% of daily flights leaving in the afternoon.

As of February 2026, 121 flights take off from Western Australia and land in South Australia each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.