Award space has opened up on the Chicago to London route for summer 2026 travel at 40,000 MileagePlus miles each way. The taxes and fees come in at just $6, making this a clean redemption without the hefty surcharges you sometimes see on transatlantic awards.
This rate represents solid value compared to what United typically charges for this corridor. Economy awards to London generally price at around 60,000 miles, so you're looking at savings of roughly 20,000 miles per ticket. For a family of four, that adds up to 80,000 miles kept in your account for future trips.
Availability appears strong for August 12, 2026, with multiple seats showing on the route. Summer dates to Europe tend to get snapped up as departure approaches, so if your schedule allows for mid-August travel, this is worth locking in sooner rather than later.
One practical note: if you're booking for a family, search for the total number of passengers you need in a single search. Award availability can vary by party size, and confirming everyone can travel together before booking saves headaches down the line.
How to book
Search and book directly through United's award search tool at https://www.united.com/en/us/book-flight/united-awards/search