Award availability has opened up for transatlantic business class travel from Boston to London Heathrow on August 16, 2026. At 88,000 miles plus minimal taxes, this represents a meaningful discount from the roughly 140,000 miles United typically charges for this cabin and route.

There's plenty of availability showing on this date, which is notable for mid-August travel when demand for Europe-bound flights tends to run high. For families planning a late-summer trip to the UK, this could be a good opportunity to lock in premium cabin seats before availability tightens.

The low $51 tax amount is also worth highlighting. Award flights to London often come with hefty carrier surcharges, but this redemption keeps the out-of-pocket cost reasonable.

One practical tip: if you don't have 88,000 United miles on hand, remember that MileagePlus partners with Chase Ultimate Rewards, so points transfer 1:1. Check your balances across programs before booking.

How to book

Search for award availability and book directly at united.com.