Yes also a regular. Wouldn't consider anyone but QF.

For advance purchase you will pay at best about $220 each way for the direct route, or if you wait for a "sale" period, anything down to $150.

The schedules are quite good if you don't mind arriving at midnight. But because this route has lower priority than SYD or MEL, there's never any urgency to get it away and it is often delayed an hour or so leaving BNE and sometimes from PER too. It's 763 or 738 with the very old cramped overhead bins, get on early if you're travelling with only carry-on.

Arriving midnight on Sunday in PER there's no local bus service but otherwise the no 36 is the most economical way between the city and Perth airport, the local bus stop is the last one outside the Virgin terminal.

Edit: if you're planning on staying in a hotel in PER, beware of the lastminute or wotif secret-hotel deals, NONE of the secret hotels are where wotif says they are. The 5-star one is always the casino hotel in Burswood - two suburbs away from Perth - despite the assertion that "This hotel is located in Perth". And the one that wotif says is in "Perth CBD", 4.5 star, will probably turn out to be the Crowne Plaza about 2 miles from the centre - the hotel does run a free bus into town in the mornings though. And more often than not, the secret hotel is being noisily renovated.