Cheap flights from Sydney to Adelaide from £66

The cheapest month to fly to Adelaide from Sydney is in January. Flight prices, which tend to average around £131, are often lower during this time because this is during the off-season. If you are unable to visit Adelaide during the month of January, then departing from Sydney during the month February is also very affordable. Most momondo users find prices during this month for around £142.

The cheapest day to depart from Sydney to Adelaide is on a Monday when prices can be found for as low as £128. Flights from Sydney to Adelaide on a Saturday will generally be more expensive and average around £231. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Adelaide is in the afternoon when flights can be purchased for as low as £142. Try not to purchase tickets at midday because they tend to be around £235. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Adelaide from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Adelaide for around £155 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Adelaide from Sydney for as low as £124 on momondo.

There is only 1 cabin class available to choose from on Sydney to Adelaide flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 19% of flights between Sydney and Adelaide have experienced a delay on any given week. The average delay length over the past 12 months has been 90 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

The number of flights available between Sydney and Adelaide is 82 per day as of October 2026. The most frequent departure time is 12:00, with 48% of daily flights leaving in the afternoon.

As of October 2026, there are 577 flights per week flying from Sydney to Adelaide. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.