This transatlantic business class award from LAX to LHR prices at 120,000 United MileagePlus miles, compared to the roughly 140,000 miles you'd typically see for this route and cabin. The real standout here is the tax component—just $6 in fees, which is remarkably low for a flight into London.
The availability is limited to a single seat on April 16, 2026, making this better suited for a solo traveler than a family trip. Spring travel to London offers mild weather and fewer crowds than summer, so the timing works well for those with flexibility.
If you're sitting on a United MileagePlus balance and have been waiting for a decent business class redemption to Europe, this is a solid option. The savings of roughly 20,000 miles compared to typical pricing won't change your life, but combined with the minimal taxes, it represents reasonable value.
One practical note: with only one seat showing, this could disappear quickly. If you're interested, search and book promptly rather than waiting to see if better availability opens up.
How to book
Search for award availability and book directly through United at: https://www.united.com/en/us/book-flight/united-awards/search