This award availability on July 19, 2026 prices out at 88,000 MileagePlus miles per person with minimal taxes and fees. At last check, there were 6 seats remaining, which is enough for most families traveling together.
The pricing represents a 37% discount compared to what United typically charges for this route in business class, which usually runs around 140,000 miles. That's a savings of roughly 52,000 miles per ticket—meaningful if you're booking for multiple family members.
Summer transatlantic availability in business class can be difficult to find, especially at saver-level pricing. July dates tend to book up quickly as families plan around school schedules, so this is worth considering if your travel dates are flexible enough to work with a mid-July departure.
One practical tip: if you're booking for a family of four or more, search for seats one at a time first to confirm total availability, then call United to book everyone together if the website won't show all seats in a single search.
How to book
Search and book directly through United's award search tool at https://www.united.com/en/us/book-flight/united-awards/search. Select Boston (BOS) to London (LHR), enter your July 19, 2026 travel date, and filter for business class.