Award space from SFO to NRT on July 12, 2026 is currently pricing at 110,000 United MileagePlus miles in business class. The route typically runs around 140,000 miles for the same cabin, making this a meaningful discount for anyone planning a summer trip to Japan with family.
Availability appears to be wide open right now, which is notable for a peak summer travel date. Tokyo in July means warm weather and the chance to catch local festivals, though you'll want to pack for humidity.
The $6 tax and fee total keeps this redemption clean—no surprise carrier surcharges eating into your savings. That's one of the advantages of booking United metal with MileagePlus miles.
If you're considering this for a family trip, remember that business class seats can make the 10-plus hour flight significantly more manageable with kids. Check whether your travel dates have flexibility, as nearby dates may show similar pricing.
How to book
Search and book directly through United's award search tool: https://www.united.com/en/us/book-flight/united-awards/search