Traveling from most locations, it is best to book your flight to Adelaide during the month of February for the best deal, although there are other times of the year which offer great deals as well.
In general, most flyers find the cheapest time to book a flight to Adelaide is about 55 days prior.
In general, booking your departure to Adelaide for a Wednesday represents the best deal on airfare. Try to avoid a Sunday departure to stay away from the highest prices.
Generally, when visiting Adelaide, noon flights represent the best value. morning flights are likely to have higher prices.