Award availability has opened up for business class flights from Boston (BOS) to London Heathrow (LHR) on April 4, 2026. At 88,000 MileagePlus miles plus $30 in taxes and fees, this is a straightforward opportunity to fly up front across the Atlantic without depleting your miles balance.
For context, this route typically prices out around 140,000 miles in business class through United's dynamic pricing. That makes this availability notably better than average—you're saving roughly 52,000 miles compared to standard rates. The low tax amount is also worth highlighting, as transatlantic business class awards can sometimes come with hefty carrier surcharges.
Availability appears strong for this date, so you should have flexibility when selecting seats. If you're traveling with family, this is a good window to lock in multiple business class awards at the reduced rate before inventory tightens.
One practical tip: if your dates are flexible, search a few days in either direction. When United releases saver-level space like this, adjacent dates sometimes show similar pricing.
How to book
Search and book directly through United's award search tool: https://www.united.com/en/us/book-flight/united-awards/search