Cheap flights from Sydney to South Australia from $110

In general, May is the cheapest month to fly from Sydney to South Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $220. If you aren’t able to travel during the month of May, then book flights to South Australia from Sydney during August instead. Flights to South Australia in August, while not as cheap as those in May, still average around $223.

On average, the least expensive day to fly to South Australia from Sydney is on a Saturday. momondo users have found tickets for Saturday departures for as low as $263. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to South Australia for around $299.

Our most recent data shows that the best time of day to fly to South Australia is in the morning. Flights from Sydney to South Australia during this time can be as low as $260. Flights to South Australia are more costly at midday, with an average ticket price of $423. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Sydney Kingsford Smith to Adelaide for the best Sydney Kingsford Smith - South Australia flight prices

You are more likely to see cheaper flights to South Australia from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to South Australia for around $268 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 Sydney for as low as $219 on momondo.

There are 3 cabin classes available to choose from on Sydney Kingsford Smith 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 and Qantas Airways are the most popular carriers operating from Sydney Kingsford Smith to South Australia

Jetstar, Virgin Australia and Qantas Airways are the top three most popular airlines that fly to South Australia from Sydney according to our data. Jetstar is the first choice among our users, with 69% 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.

106 flights are operational daily from Sydney to South Australia as of February 2026. The most popular departure time for this route is 09:00, with 44% of flights per day taking off at midday.

The number of flights available between Sydney and South Australia is 748 per week as of February 2026. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.