Award availability for transatlantic business class can be tough to find during peak summer travel, which makes this August 2026 option worth a look for families planning ahead. The Boston to London Heathrow route is showing plenty of seats at 88,000 MileagePlus miles, with taxes and fees totaling just $30.
This redemption rate compares favorably to the typical cost of around 140,000 miles for business class on this route. That savings of roughly 52,000 miles per ticket adds up quickly if you're booking for multiple travelers.
One practical note: August is peak season for family travel to Europe, so if this timing works for your schedule, it's worth booking sooner rather than later. Award availability at this price point tends to disappear as travel dates approach.
How to book
Search for award availability and book directly through United at united.com/en/us/book-flight/united-awards/search.