Go through your results for flights to Adelaide in Australia with Netflights. Although Oman Air usually has the best prices, it's best to double check what's available for your travel dates.
If you don’t have set dates for when you want to fly to Adelaide, try searching by month – that way, you can compare airfares throughout the year.
Look out for flights with Oman Air, as they often have good deals. Or broaden your search by looking at other airports in Australia.
Looking at a few different departure airports will give you even more choice. See what you can find. And remember, it's best to book your flights in advance wherever possible.