Award space from Boston (BOS) to London Heathrow (LHR) is available on April 22, 2026, at a solid discount from standard pricing. At 36,800 miles each way, this is a good opportunity for families looking to stretch their points on a transatlantic trip. The $6 tax figure is notably low for flights into the UK, which often carry much higher surcharges depending on the carrier.
For context, economy awards on this route through United MileagePlus typically run around 60,000 miles. This availability represents meaningful savings—nearly 24,000 miles per ticket—which adds up quickly when booking for a family of four.
Availability appears to be wide open for this date, so you should have flexibility when selecting seats. That said, award space at this price point tends to disappear once it gets attention, so it's worth booking soon if your travel dates are flexible enough to make April 22 work.
One practical tip: if you're considering this for a family trip, remember that United allows you to pool miles through household accounts or transfer Chase Ultimate Rewards points to top off your balance if needed.
How to book
Search for award availability and book directly through United at united.com.