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Popular flights and flight offers from Chicago to London

ORD – LHR
Chicago - London
Tue 11 Nov 2025 – Tue 18 Nov 2025
From
518 USD

Our cheapest flights from Chicago to London

ORD – LHR
Chicago - London
Tue 11 Nov 2025 – Tue 18 Nov 2025
From
518 USD

Popular routes and flight deals