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Popular flights and flight offers from Chicago to London
ORD – LHR
Chicago - London
Wed 9 Dec 2026 – Tue 15 Dec 2026
From
940 USD
Book now
Our cheapest flights from Chicago to London
Date
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ORD – LHR
Chicago - London
Wed 9 Dec 2026 – Tue 15 Dec 2026
From
940 USD
Book now
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