London to Chicago Flights
Flights from London (LON) to Chicago (CHI) connect United Kingdom and United States. The great-circle distance is approximately 6,345 km, and a typical direct flight takes about 9 hours. Airports commonly used for this city pair include LON, LHR, LGW, STN, LTN, LCY and CHI, ORD, MDW. The reverse route is Chicago to London. Use the search tool below to compare live prices and schedules — do not treat any static text on this page as a live fare.
Route facts
- Origin
- London, United Kingdom
- Destination
- Chicago, United States
- Distance
- 6,345 km
- Typical duration
- about 9 hours
- Origin codes
- LON, LHR, LGW, STN, LTN, LCY
- Destination codes
- CHI, ORD, MDW
- Primary keyword
- flights from London to Chicago
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Route overview
London to Chicago is a city-pair air route between United Kingdom and United States. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are LON and CHI. Related codes: LON, LHR, LGW, STN, LTN, LCY → CHI, ORD, MDW.
Distance
Approximate flight distance: 6,345 km (great-circle). Actual flown distance can be longer depending on airway routing.
Duration
Typical block time for a direct flight is about 9 hours. Connecting itineraries take longer and depend on layover airports.
Airports
London airports and metro codes: LON, LHR, LGW, STN, LTN, LCY.
Chicago airports and metro codes: CHI, ORD, MDW.
Alternative routes
Related searches include the reverse route Chicago to London, other destinations from London, and other origins into Chicago.
Frequently asked questions
How long is the flight from London to Chicago?
Direct flights from London to Chicago typically take about 9 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from London to Chicago?
The great-circle distance between London and Chicago is approximately 6,345 km. Flown distance can be longer depending on airways.
Which airports serve flights from London to Chicago?
London is commonly searched with code LON (related: LON, LHR, LGW, STN, LTN, LCY). Chicago is commonly searched with code CHI (related: CHI, ORD, MDW).
Are there direct flights from London to Chicago?
Direct service availability varies by season and airline. Compare live schedules on Cheap Flights Worldwide for current nonstop and connecting options on this route.
What is the reverse flight route from Chicago to London?
The reverse city pair is Chicago to London. Distance is the same great-circle measure (6,345 km); block time can differ with winds and schedules.
Which countries does the London to Chicago route connect?
This route connects United Kingdom (London) with United States (Chicago).