This fare prices at 88,000 United MileagePlus miles one-way in business class, which is notably lower than the 140,000 miles you'd typically see for this transatlantic route in a premium cabin. That works out to roughly 37% off standard award pricing.
The July 6 departure lands right at the start of summer travel season, when award availability to Europe tends to dry up quickly. With only 6 seats showing, this could work well for a couple or a small family looking to start their trip in comfort without draining their miles balance.
The $30 tax and fee total is refreshingly low for a London-bound flight. UK departures often carry steep surcharges, so originating from the U.S. side keeps out-of-pocket costs minimal.
One practical note: if you're traveling with more than two people, consider booking in separate transactions to reduce the risk of losing all seats if availability shifts mid-booking.
How to book
Search for award availability and book directly through United at: https://www.united.com/en/us/book-flight/united-awards/search