Award availability for August 16, 2026 is currently wide open, with plenty of seats bookable through United's MileagePlus program. This is a solid option for families planning a late-summer trip to the UK before school starts back up.
For context, business class awards on this route typically price at around 140,000 miles through United. At 88,000 miles, you're saving roughly 52,000 miles per ticket—a meaningful difference if you're booking for multiple travelers.
The low taxes on this routing are also worth noting. At just $33, you avoid the steep carrier surcharges that often come with flying into London on other programs or partner airlines.
One practical tip: August is peak summer travel season, and award space at this price point tends to disappear as the date approaches. If your plans are flexible enough to commit now, it's worth locking in sooner rather than waiting.
How to book
Search for award availability and book directly through United at: https://www.united.com/en/us/book-flight/united-awards/search