There is a fascinating AMA on Reddit from the founder of Skiplagged.
What is it?
Basically if you want to fly from A to B, it can be cheaper to book a flight from A to C with a stopover in B. The US is a much bigger market than Australia, so I don't think this would generally apply here for domestic however for international it may.
The site is fascinating. A flight from LA-NY, using Skipplagged routing costs $170 each way by flying LA -> NY -> Boston -> Bermuda. Obviously, you get off at NY.
Earlier in the year, there were some great flight deals from Australia to South America with layovers in the US. A flight to Panama with a stopover in Atlanta resulted in a $1000 fare. A roundtrip fare to Atlanta was $1700. So I think there can be some deals found however Skiplagged isn't pulling anything for Australia.
Does anyone have any Australian based routes that would work?
You wouldnt find it on many domestic Australian routes as we favour the point to point system, rather than the hub and spoke system used in the US.
Internationally, it can be restrictive because if you travel with checked luggage, its going to end up in destination C, where you might want to get off at destination B.
It would really only be viable if you were travelling without checked luggage, and had the ability to be flexible travel wise.