This deal gets you from LAX to SYD in economy for 55,000 United miles, with just $36 in taxes and fees. July 19, 2026 is showing plenty of availability, which is notable given that mid-July falls during peak travel season for families with school-age children.
The typical rate for this route in economy through MileagePlus runs around 60,000 miles, so you're looking at roughly 8% off the usual price. While not a blockbuster discount, the savings add up quickly when booking for a family of four—that's 20,000 miles back in your pocket.
One practical tip: July is winter in Australia, so pack layers and set expectations accordingly if the kids are dreaming of beach weather. Sydney still offers plenty to do, and you'll avoid the summer crowds at major attractions.
How to book
Search for award availability and book directly through United at united.com/en/us/book-flight/united-awards/search.