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Round-trip price per adult from
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Popular flights and flight offers from London to Chicago

LHR – ORD
London - Chicago
Wed 9 Sep 2026 – Mon 14 Sep 2026
From
£626

Our cheapest flights from London to Chicago

LHR – ORD
London - Chicago
Wed 9 Sep 2026 – Mon 14 Sep 2026
From
£626

Popular routes and flight deals

From London