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Popular flights and flight offers from London to Chicago
LHR – ORD
London - Chicago
Wed 9 Dec 2026 – Mon 14 Dec 2026
From
£686
Book now
Our cheapest flights from London to Chicago
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LHR – ORD
London - Chicago
Wed 9 Dec 2026 – Mon 14 Dec 2026
From
£686
Book now
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