If you've been eyeing a summer trip to London, this is a solid opportunity to book at a reasonable rate. United MileagePlus is showing economy award space from Chicago O'Hare (ORD) to London Heathrow (LHR) on July 13, 2026, for 40,000 miles each way. The taxes and fees come in at just $6, which is notably low for transatlantic awards into the UK.
For context, economy awards on this route typically price at around 60,000 miles through United's dynamic pricing. At 40,000 miles, you're saving roughly 20,000 miles per ticket—meaningful savings if you're booking for a family of four.
Availability appears to be wide open right now, but summer dates to London tend to get snapped up as travel plans solidify. If your schedule has any flexibility, it's worth locking this in sooner rather than later.
One practical tip: if you're traveling with kids, select seats immediately after booking. Even on award tickets, United allows free seat selection in economy, and you'll want to secure seats together before the cabin fills up.
How to book
Search for award availability and book directly through United at united.com/en/us/book-flight/united-awards/search.