This deal gets you from LAX to Sydney for 55,000 United MileagePlus miles, compared to the roughly 60,000 miles you'd typically expect to pay for this routing in economy. The savings of about 5,000 miles won't change your travel plans on its own, but it's a reasonable discount worth taking advantage of if you've been planning a trip down under.
Availability looks strong for August 14, 2026, with plenty of seats showing at this price point. August falls during Australia's winter season, which means milder temperatures and fewer crowds at popular destinations—a nice trade-off for families looking to stretch their miles further.
Keep in mind that this is a long-haul flight of roughly 15 hours, so if you're traveling with kids, you may want to check seat maps carefully and select seats together as soon as you book. United's award search lets you view available seats before finalizing your redemption.
For families with flexible schedules, it's worth searching nearby dates as well—award pricing can shift, and you may find similar availability on surrounding departures.
How to book
Search for award flights directly on United's website: https://www.united.com/en/us/book-flight/united-awards/search