If you've been sitting on a stash of United miles and have Singapore on your family's travel list, this is a reasonable time to book. Economy seats from SFO to SIN are pricing at 43,900 miles with minimal taxes, and availability looks wide open for August 13, 2026.
For context, this route typically runs around 60,000 miles in economy through United MileagePlus. At 43,900 miles, you're saving roughly 16,000 miles per ticket—a meaningful difference if you're booking for a family of four.
Availability appears strong right now, but award space on long-haul routes to Asia can shift without notice. If your dates are flexible, it's worth checking nearby days to see if the same pricing holds.
One practical tip: August falls during peak summer travel season and coincides with school holidays in many districts. If this timing works for your family, booking sooner rather than later makes sense, as these saver-level rates tend to disappear as the departure date approaches.
How to book
Search and book directly through United's award search tool: https://www.united.com/en/us/book-flight/united-awards/search