Originally Posted by
amolkold
I think your best bet is AA - 62.5K miles for one-way First, North America -> Australia. You could do something like BOS-LAX on AA, then LAX-SYD on Qantas. However, you would have to look early. Since you have 30K miles, a 50K credit card offer would do the trick.
UA costs 60K miles, and you may be able to route via Asia. Air New Zealand can also work.
one way saver awards
UA - economy=40,000 business=67,500 first=80000
AA - economy=37,500 business=62,500 first=72,500