If you've been sitting on a modest United MileagePlus balance and eyeing a spring trip to the UK, this is a solid opportunity. Economy award seats from Boston (BOS) to London Heathrow (LHR) are pricing at 36,800 miles with minimal taxes—far below the roughly 60,000 miles United typically charges for this route.
The April 13, 2026 date currently shows plenty of availability, which is relatively rare for transatlantic awards during spring travel season. At these rates, a family of four could fly to London for under 150,000 miles total, making this a practical redemption for those looking to stretch their points.
One tip: United's dynamic pricing means award rates can shift without notice. If this works for your schedule, book sooner rather than later. United MileagePlus awards can be canceled and redeposited for free on most tickets, so there's little risk in locking it in now.
How to book
Search for award availability and book directly through United at united.com/en/us/book-flight/united-awards/search.