Fly nonstop from Chicago to London for $590 round-trip on American Airlines/British Airways.
Searching AA.com, we found seats departing ORD on Sunday, September 11, returning from LHR on Sunday, September 18.
Other dates are also available for travel through May 2017.
See our fare details for booking info.
Need a room in London? Here's what's available for the above dates on Hotelwatchdog.
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