Earlier quoted context omitted.
If you entered the US on a VWP, and try to reenter the US on the VWP without going further than Canada, Mexico or the Caribbean, you may find yourself denied entry. I'm not sure if this applies if you were on a different class of visa before attempting to reenter the US using the VWP. I think the US border agents would be very suspicious though. I've entered the US about 15 times since my E3 expired, and i'd say i've…
Thanks for the heads up. I'll amend my plan to include flying back to Perth.
Pro-tip for Australian's living in North America (or anyone crossing the Pacific, really): Qantas/OneWorld (and maybe other airlines) typically doesn't charge one penny extra if your North America Australia route includes a stop in Hawaii. Hit up hotwire.com and find a cheap hotel in Waikiki and it's the absolute perfect way to break up a 14+ hour flight.