The duration of the flights to Perth is:

Heathrow to Dubai - 7 hours

Dubai connection time - 3 hours 10 minutes

Dubai to Perth - 10 hours 30 minutes

The duration of the flights from Melbourne is:

Melbourne to Dubai - 14 hours 10 minutes

Dubai connection time - 1 hour 50 minutes

Dubai to Heathrow - 8 hours 20 minutes

Also, the luggage allowance is 30kg including internal flights.

I hope this helps.

Kindest Regards,

Monty

Also as there are internal flights what would be the baggage allowance?

Thank you.