This award availability on the LAX-SYD route prices at 70,000 MileagePlus miles, compared to the ~80,000 miles you'd typically expect to pay for Premium Economy on this cabin and program combination. The taxes and fees come in at just $36, keeping the out-of-pocket costs minimal.
Availability is currently showing plenty of seats for travel on July 10, 2026. That's right in the middle of summer break for U.S. families, though keep in mind it's winter in Australia—pack layers and expect milder temperatures in Sydney.
Premium Economy on this roughly 15-hour flight offers a meaningful upgrade over standard economy: more legroom, wider seats, better meal service, and priority boarding. For families or anyone on a long-haul journey, those extras can make a real difference in how you feel when you land.
One practical tip: if you're traveling with a family, search for seats one passenger at a time. United's search engine sometimes hides availability when you search for multiple seats at once, even when several awards are actually open.
How to book
Search and book directly through United's award search tool: https://www.united.com/en/us/book-flight/united-awards/search