High-Frequency Nonstops
American, United, and British Airways operate up to 6 daily nonstop flights between ORD and LHR.
Chicago → London
Find better Chicago to London flight options.
Compare high-frequency nonstop departures between Chicago O'Hare and London Heathrow across American, United, and British Airways with complete date flexibility.
Search Chicago to London →What a wider Chicago–London search compares
Lie-Flat Sleep Quality
Because Chicago to London takes under 8 hours eastbound, rapid meal service and lie-flat comfort are vital for restorative sleep.
Daytime vs. Evening Departures
Select from late-morning departures or evening dinner redeyes based on your preferred circadian sleep rhythm.
Flexible ±2 Day Windows
Midwest business travel creates strong Monday-Thursday demand. Shifting travel days unlocks lower inventory buckets.
Search Chicago–London beyond the obvious
Chicago O'Hare is the premier Midwest gateway to the United Kingdom. With multiple daily nonstops and joint venture partnerships, travelers have vast flexibility in schedules, cabin products, and mileage redemption options.
Frequently Asked Questions
How long is the flight from Chicago to London?
Eastbound nonstop flights from ORD to LHR take roughly 7 hours 45 minutes to 8 hours 15 minutes. Westbound flights take approximately 8 hours 45 minutes.
Which airlines fly nonstop from Chicago to London?
American Airlines, United Airlines, and British Airways all operate daily nonstops between Chicago O'Hare (ORD) and London Heathrow (LHR).