Flight Route · International
London → Chicago
LHR to ORD
London Heathrow Airport to O'Hare International Airport: 3,942 miles (6,345 km), about 8h 26m airborne, −6h time-zone shift on arrival.
Distance
3,942 mi
6,345 km
Flight time
8h 26m
block time, approx
Time-zone shift
−6h
London → Chicago
International?
Yes
United Kingdom → United States
Airlines serving both airports
These carriers operate scheduled service from both LHR and ORD. Direct service on this specific route depends on season and equipment — confirm with your booking source.
LHR–ORD questions, answered
How long is the flight from London to Chicago?
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A direct flight from London Heathrow Airport (LHR) to O'Hare International Airport (ORD) takes approximately 8h 26m. Actual block time varies with aircraft type, winds, and routing.
What is the distance from LHR to ORD?
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The great-circle distance from London Heathrow Airport to O'Hare International Airport is approximately 3942 miles (6345 kilometers). Actual flown distance varies slightly with the routing assigned by air traffic control.
What is the time difference between London and Chicago?
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Chicago is −6h relative to London. Europe/London → America/Chicago.
Which airlines fly from LHR to ORD?
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Carriers serving both endpoints include AA. Direct service depends on the specific carrier and season — confirm with your booking source for current schedules.
Is this an international flight?
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Yes. London Heathrow Airport is in United Kingdom, and O'Hare International Airport is in United States. Travelers should confirm passport, visa, and customs requirements before departure.
Can I track LHR–ORD flights on TripDesk365?
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Yes. TripDesk365 imports your booking confirmations from your inbox, identifies the route, and shows real-time status — gate changes, delays, and live aircraft position. Free for 14 days.
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