This is a straightforward deal worth considering if you have United miles and want to get a family to London without burning through your balance. Economy awards on the LAX–LHR route typically price at around 60,000 miles, so 40,000 represents meaningful savings—especially when you multiply it across multiple tickets.
Availability is showing for April 22, 2026, with plenty of seats currently bookable. The $6 tax figure is notably low for a transatlantic award, as London departures usually carry hefty surcharges. Originating from LAX keeps those fees minimal.
For families planning a spring break trip to the UK, this timing works well. April weather in London is mild, and you'll be past the Easter holiday rush. If your dates are flexible, it's worth searching nearby days to see if the same pricing extends to other departures.
One practical note: United's dynamic pricing means these saver-level rates can disappear quickly or fluctuate without notice. If the dates work for your family, book now and adjust later if needed—United allows free changes and cancellations on most award tickets.
How to book
Search and book directly through United's award search tool: https://www.united.com/en/us/book-flight/united-awards/search