From Australia/NZ
There are many airlines offering flights to London from Australia and New Zealand. Once in London, there are a number of options for travel to Scotland.
Airlines flying from Australia & New Zealand to London include:
www.qantas.com
www.ba.com
www.etihad.com
www.qatarairways.com
www.virginaustralia.com
www.airnewzealand.com
www.emirates.com
www.cathaypacific.com
The below services are great for booking and comparing flights: