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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 9h 50m, with an average of 9h 57m.
The cheapest economy flight we're currently tracking is $633. Over the last 30 days, prices have remained stable (recent average: $920).
Airlines operating London to Chicago include Icelandair. We're tracking trips ranging from 7 to 30 days.
We'll notify you when fares on LHR→ORD drop.