This is a solid redemption for transatlantic business class, particularly given the low taxes. United often prices this route at around 140,000 miles, so 88,000 represents meaningful savings if you have the flexibility to travel on August 13, 2026.
The catch: there's only one seat available at this price. That makes this better suited for a solo traveler or someone scouting options for a points-funded trip. If you're planning a family trip, you'd need to find additional availability on the same or connecting flights.
Award space to London can be unpredictable, especially in peak summer months. August dates at this price point don't come up often, so if your schedule lines up, it's worth locking in sooner rather than later.
Practical tip: Before booking, confirm your MileagePlus account has enough miles and that your passport will be valid for at least six months beyond your travel date. United allows you to hold award tickets briefly, but saver-level space like this can disappear quickly.
How to book
Search for award availability and book directly through United: https://www.united.com/en/us/book-flight/united-awards/search