That depends on which of these are more important to you…
“I want flexibility of flying on a particular day of the week or on a particular date.”
If you would like to see which flights fly on particular days on a calendar, see this post:
“If the flight is cancelled, I want to be able to fly on the soonest available flight.”
Go to article:
“I want the most chance of being able to fly with an economy ticket.”
Go to article:
“I need an airline which takes a particular route.”
If you would like to see a map of all the routes directly flying into Australia, see this chart:
The routes shown on this map may not be from your starting destination (i.e. related to the first leg of your flight). The routes are only direct international flights arriving in Australia. For example, if you are flying to London, the routes may help you decide which stopover city to use – or what city to fly for the second leg of your journey. Deciding on your stopover city is a critical decision that may limit your onward flight options.
If you would like to see a map of all flights to stopover cities, see this chart: