Tiger Airways and Jetstar are the cheapest airlines for domestic travel in Australia. Tiger is usually the cheaper option but, you really get what you pay for: bad service, uncomfortable seats, and a miserly baggage allowance. Jetstar is the better option although it's usually pricier. But there is a way around that.
Jetstar has a little known offer called Price Beat Guarantee which I have used many times before. If you find a comparable flight that is cheaper than Jetstar's price, the airline will beat it by 10 per cent. There are a few conditions to this, one being the domestic flight you request a price match for has to be depart within one hour of a comparable Jetstar flight.
So if a cheaper Tiger flight leaves at 4:15pm and there is a Jetstar one leaving at 4:45pm, then the Price Beat Guarantee will be valid. For popular routes such as Sydney to Melbourne, finding a comparable flight for the time you want is usually quite easy. Other local routes may require you to adjust your travel schedule a bit. You also need to make sure you book 72 hours before the schedule flight for the deal to be valid.
Price Beat Guarantee isn't readily advertised on Jetstar's website so to cash in on the offer, you'll have to navigate to a specific page (we've saved you the trouble; here's the link). From there, you'll have to start an online chat with a Jetstar customer service representative and input information about the flight you want Jetstar to beat the price on.
The whole booking process is done through the online chat and usually takes no more than 15 minutes. Price Beat also applies to international flights but I've found it the most useful when I'm making regular trips around Australia.
This offer isn't new, but it's surprising how many people are unaware of it and how many of my friends thank me profusely when I tell them about the Price Beat Guarantee. Now go spread the word!
Want more advice on how to nab cheaper airfares? We've put together a list of the five cheapest booking sites here.