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Flight distance & time
Lambert St Louis International Airport → London Heathrow Airport
STLLHR
- Distance
- 6,741 km · 4,188 mi
- Flight time
- 09h 10m
- CO₂ per passenger
- 606 kg
This Lambert St Louis International Airport → London Heathrow Airport route is 6,741 km (4,188 mi) end to end. The estimated flight time is 09h 10m, and a passenger's share of CO₂ works out at roughly 606 kg.
See the reverse route: London Heathrow Airport → Lambert St Louis International Airport
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Your route
- FromSTLLambert St Louis International AirportSt Louis, Missouri
- ToLHRLondon Heathrow AirportLondon, England
Flight map
Track your lifetime distance flown across every trip.
Route service
We don't have scheduled-service data for this route — it may be operated by non-commercial or charter flights only.
Common questions
Lambert St Louis International Airport to London Heathrow Airport FAQ
How far is Lambert St Louis International Airport from London Heathrow Airport?
Lambert St Louis International Airport (STL) and London Heathrow Airport (LHR) are 6,741 km (4,188 mi) apart, measured along the great-circle route.
How long is the flight from Lambert St Louis International Airport to London Heathrow Airport?
A direct STL–LHR flight covers the distance in about 09h 10m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Lambert St Louis International Airport to London Heathrow Airport produce?
A passenger's share of CO₂ on the STL–LHR route is roughly 606 kg.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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