This award availability covers travel on August 5, 2026, from Chicago O'Hare to London Heathrow. Premium Economy on this transatlantic route typically runs around 80,000 miles through United MileagePlus, making this a solid opportunity to stretch your miles further on a peak-summer departure.
The $6 tax figure is notably low for flights into the UK, though keep in mind that taxes on your return flight will likely be higher due to British departure fees. If you're planning a one-way or have another routing home, this keeps your out-of-pocket costs minimal.
Availability is limited to just 6 seats, so this works best for solo travelers, couples, or small families. Larger groups will likely need to split across multiple bookings or consider alternative dates.
One practical note: August is peak travel season, and Premium Economy award space to Europe is often scarce. If this fits your schedule, it's worth locking in sooner rather than waiting.
How to book
Search for award availability and book directly through United at united.com/en/us/book-flight/united-awards/search.