works for some dates in 2018 (apparently was even cheaper a few days ago but the sale is over)
e.g.
Book flights with confidence | Google Flights
credit: FT/Headforpoints
QR J-class Europe to Australia $1900(£1350)RT - FlyerTalk Forums
Bits: Qatar Airways £1350 Australia tickets are back!, 250 Heathrow Rewards points with Heathrow Express
e.g.
Book flights with confidence | Google Flights
credit: FT/Headforpoints
QR J-class Europe to Australia $1900(£1350)RT - FlyerTalk Forums
Bits: Qatar Airways £1350 Australia tickets are back!, 250 Heathrow Rewards points with Heathrow Express