If you've been sitting on a United MileagePlus balance and eyeing a spring trip to London, this is a solid opportunity. Premium Economy from Chicago O'Hare to London Heathrow is available for 50,000 miles on April 9, 2026, with minimal taxes of just $6.

For context, this route in Premium Economy typically runs around 80,000 miles through United's dynamic pricing. At 50,000 miles, you're getting a comfortable transatlantic crossing with extra legroom, better meals, and priority boarding at a meaningful discount.

Availability appears strong right now, but award space at these levels tends to disappear as United's pricing algorithm adjusts. If this date works for your schedule, it's worth locking in sooner rather than later.

Practical tip: April is shoulder season in London, meaning fewer crowds and generally mild weather. It's also before peak summer pricing kicks in for hotels and attractions, making it a smart time for families to visit.

How to book

Search for award availability and book directly at: united.com/en/us/book-flight/united-awards/search