If you've been sitting on a United MileagePlus balance and eyeing a spring trip to the UK, this is a straightforward opportunity worth considering. Award seats from LAX to London Heathrow are currently pricing at 40,000 miles one-way in economy, with minimal taxes of just $6. That's well below the 60,000 miles United typically charges for this transatlantic route.
Availability looks strong for travel on April 7, 2026, with plenty of seats showing at the saver level. April is a pleasant time to visit London—shoulder season means fewer crowds and milder weather before the summer rush. For families planning ahead, this gives you over a year to coordinate schedules and accumulate any additional miles you might need.
The low tax figure is particularly notable. Award flights to the UK often come with hefty carrier surcharges, but this routing keeps out-of-pocket costs minimal. If you're flexible on dates, it's worth searching nearby departure days to see if the same pricing extends across the week.
One practical tip: United award pricing can fluctuate based on demand, so if this rate works for your plans, don't wait too long. You can cancel United awards for free up to 30 days before departure if your plans change.
How to book
Search and book directly through United's award search tool: https://www.united.com/en/us/book-flight/united-awards/search