This is a straightforward deal for families planning a Singapore trip next summer. San Francisco to Singapore in economy is pricing at 43,900 MileagePlus miles per person, with minimal taxes of just $6. At the time of writing, there's plenty of availability on August 15, 2026.
For context, this route typically runs around 60,000 miles in economy through United's dynamic pricing. 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.
One practical note: United's award pricing fluctuates frequently, so if this rate works for your plans, don't wait too long. August is peak travel season, and these lower-mile options tend to disappear as the 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