This fare prices at 110,000 United MileagePlus miles for a one-way business class ticket from SFO to NRT on August 10, 2026. The cash component is minimal at $9 in taxes and fees, making this a solid use of miles if you have them available.
For context, United typically charges around 140,000 miles for business class award seats on this route. That puts this availability at roughly 30,000 miles below the standard rate. While not the lowest we've ever seen, it's a meaningful discount for peak summer travel to Japan.
One important caveat: there's only one seat showing as available. This won't work for families traveling together, but it could be a good option for a solo parent trip or one half of a couple booking separately. If you need multiple seats, keep searching nearby dates.
A practical tip: August is high season in Japan with warm weather and several festivals, including Obon. If your travel dates are flexible, check surrounding dates as well since award availability can shift quickly and additional seats may open up.
How to book
Search and book directly through United at united.com/en/us/book-flight/united-awards/search. You'll need to be logged into your MileagePlus account to complete the booking.