If you've been sitting on a United MileagePlus balance and eyeing a London trip, this is a reasonable time to book. The LAX-LHR route is showing plenty of economy award seats on April 8, 2026, at 40,000 miles plus just $6 in taxes.

For context, this route typically runs around 60,000 miles in economy through United's dynamic pricing. At 40,000 miles, you're looking at roughly 33% savings—nothing to ignore when you're booking for a family of four.

Availability appears strong for this date, which is helpful if you need to coordinate multiple seats. April is shoulder season in London, meaning milder weather and fewer crowds than summer, making it a practical window for family travel.

One tip: United award pricing can shift quickly, so if this works for your schedule, don't wait too long to lock it in. Also confirm the specific flight times and any connections before booking, as routings can vary.

How to book

Search and book directly through United's award search tool: https://www.united.com/en/us/book-flight/united-awards/search