Cheap flights from Perth to South Australia from $168

In general, February is the cheapest month to fly from Perth to South Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $136. If you aren’t able to travel during the month of February, then book flights to South Australia from Perth during August instead. Flights to South Australia in August, while not as cheap as those in February, still average around $137.

On average, the least expensive day to fly to South Australia from Perth is on a Saturday. momondo users have found tickets for Saturday departures for as low as $387. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Perth to South Australia for around $452.

Our most recent data shows that the best time of day to fly to South Australia is in the afternoon. Flights from Perth to South Australia during this time can be as low as $392. Flights to South Australia are more costly at midday, with an average ticket price of $558. 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 Perth - South Australia flight prices

You are more likely to see cheaper flights to South Australia from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to South Australia for around $406 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 Perth for as low as $352 on momondo.

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

Jetstar, Virgin Australia and Qantas Airways are the top three most popular airlines that fly to South Australia from Perth according to our data. Jetstar is the first choice among our users, with 66% 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.

As of May 2026, there are 17 flights per day flying from Perth to South Australia. The most common time of day flights depart is 17:00, with 51% of flights taking off in the afternoon.

As of May 2026, 125 flights take off from Perth and land in South Australia each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.