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Chicago to London 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 8h 55m, with an average of 9h 18m.
The cheapest economy flight we're currently tracking is $613. Over the last 30 days, prices have dropped 3.4% (recent average: $856).
Airlines operating Chicago to London include American, British Airways, Icelandair. We're tracking trips ranging from 7 to 30 days.
We'll notify you when fares on ORD→LHR drop.