If you've been sitting on a modest United miles balance and eyeing a family trip to London, this is a practical redemption worth considering. LAX to Heathrow is pricing at 40,000 MileagePlus miles in economy for travel on July 17, 2026, with just $6 in taxes and fees. Availability appears strong, which is helpful if you're booking multiple seats.
This rate comes in around 33% below the ~60,000 miles United typically charges for economy awards on this transatlantic route. While not the lowest we've ever seen, it's a reliable value during peak summer travel season when saver-level pricing can be hard to find.
One practical note for families: July 17 falls during summer break for most U.S. school districts, making this timing actually usable for those traveling with kids. If your dates are flexible, it's worth searching nearby days to see if similar pricing extends across a wider window.
How to book
Search and book directly through United's award search tool at united.com. Log into your MileagePlus account, select "Book with miles," and enter your dates to confirm availability.