Cheap flights from Melbourne and Sydney Australia to London, UK from only $829 and $863 roundtrip.
Example dates:
Melbourne
$829 Return – 08 May to 27 May – https://bookings.beatthatflight.com.au/flights/mel0805lon27051
$829 Return – 20 May to 06 Jun – https://bookings.beatthatflight.com.au/flights/mel2005lon06061
$829 Return – 20 May to 09 Jun – https://bookings.beatthatflight.com.au/flights/mel2005lon09061
$829 Return – 20 May to 10 Jun – https://bookings.beatthatflight.com.au/flights/mel2005lon10061
From Sydney
$863 Return – 20 May to 10 Jun – https://bookings.beatthatflight.com.au/flights/syd2005lon10061
$863 Return – 22 May to 12 Jun – https://bookings.beatthatflight.com.au/flights/syd2205lon12061
and more in May/June.
Airline: China Southern
Stops: Guangzhou / Amsterdam
Dates: May / June
(found via fly4free and then secretflying)