This is a solid opportunity for families planning a summer 2026 trip to Japan. United MileagePlus is pricing business class awards from San Francisco (SFO) to Tokyo Narita (NRT) at 110,000 miles per person, with plenty of seats showing for July 16, 2026. The near-zero taxes make this especially appealing for those who prefer to maximize their miles without surprise fees.
For context, business class awards on this route typically run around 140,000 miles through United's dynamic pricing. At 110,000 miles, you're saving roughly 30,000 miles per ticket—enough for a one-way domestic economy flight on a future trip.
Availability appears wide open for now, but summer dates to Japan tend to book up as travelers finalize school-break plans. If you have flexible MileagePlus balances or transfer partners like Chase Ultimate Rewards, this is worth locking in sooner rather than later.
Practical tip: If you're traveling as a family, search for the exact number of passengers you need. Award availability can vary by party size, and what shows for two seats may not hold for four.
How to book
Search and book directly through United at united.com/en/us/book-flight/united-awards/search.