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London to Chicago is a 6,344 km route with a -6 hour timezone difference. Most flights have 1 stop. The shortest flight time we've seen is 10h 5m.
The cheapest economy flight we're currently tracking is $631. Over the last 30 days, prices have remained stable (recent average: $764).
Airlines operating London to Chicago include Icelandair.
We'll notify you when fares on LHR→ORD drop.