Route
London (LHR) to Chicago O'Hare (ORD) flights
The London → Chicago O'Hare route covers about 6,345 km. A typical non-stop flight from LHR to ORD takes around 8h 26m, depending on aircraft and winds.
Distance
6,345 km
3,943 mi
Flight time
8h 26m
Non-stop estimate
From
LHR · London
United Kingdom
To
ORD · Chicago O'Hare
United States
Time zone & jet lag
Chicago O'Hare is 6 hours behind London: you're flying west, jet lag is usually easier to handle.
UK261 protects this route on departure
London is in the UK, so UK261 (the post-Brexit retained EU261) applies regardless of the operating carrier. Cancellations and 3+ hour delays may entitle you to up to £520.
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LHR
London
United Kingdom
About London Airport
ORD
Chicago O'Hare
United States
About Chicago O'Hare Airport
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