United MileagePlus: Economy to London for 40,000 Miles (July 2026)

United is showing solid award availability from Chicago to London next summer at 40,000 miles in economy, about a third less than the typical redemption rate for this route.

This deal covers United MileagePlus economy awards from Chicago O'Hare (ORD) to London Heathrow (LHR) on July 9, 2026. The price is 40,000 miles plus just $6 in taxes and fees, and there's plenty of availability showing right now.

For context, economy awards on this route typically run around 60,000 miles through United's dynamic pricing. At 40,000 miles, you're saving roughly 20,000 miles per ticket—meaningful savings for families booking multiple seats.

July is peak summer travel season for transatlantic flights, which makes this pricing particularly useful. London in early July offers long daylight hours and serves as a convenient gateway to the rest of Europe if you're planning a longer trip.

Practical tip: If you're booking for a family, search for the total number of passengers you need in a single search. Award availability can be limited, and splitting into separate bookings may result in some travelers paying higher rates.

How to book

Search and book directly through United at united.com/en/us/book-flight/united-awards/search. Select your dates and filter for award tickets to see current availability.