London (LHR) to St Louis (STL)
Flight time
≈ 9h 11m
Bearing
297° NW
London (LHR) to St Louis (STL) is 4,189 miles (6,742 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies LHR–STL
US DOT T-100 · filed dataIn April 2026, British Airways was the only carrier flying nonstop LHR–STL; the Boeing 787-8 was the most common aircraft at 86% of departures; flights ran 86% full.
Departures
14
April 2026
Seats
2,878
both directions
Passengers
2,482
both directions
Load factor
86.2%
passengers ÷ seats
Who flies LHR–STL?
British Airways was the only carrier to fly nonstop LHR–STL in April 2026 (14 departures).
- BA
British Airways
14 departures · 2,878 seats
Share of departures100.0%86.2%
Load
What plane flies LHR–STL?
In April 2026, the Boeing 787-8 flew 86% of LHR–STL departures — more than any other aircraft type.
- Boeing 787-8
12 departures · 86.1% load
85.7% - Boeing 787-9
2 departures · 87.0% load
14.3%
How has LHR–STL traffic changed?
Monthly nonstop LHR–STL traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
April 2026
14 departures · 2,482 passengers
86.2%
Load
By direction
The DOT files each direction separately — they rarely match.
LHR → STL
85.8% full
7 departures · 1,235 passengers
STL → LHR
86.7% full
7 departures · 1,247 passengers
Nonstop LHR–STL traffic has been filed with the US DOT since 2026.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2026. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
London
GB
London Heathrow Airport
Coordinates
51.47°N, 0.46°W
Hemisphere
N · W
Frequently asked
How far is London (LHR) from St Louis (STL)?
LHR to STL is 4,189 miles (6,742 km / 3,640 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from LHR to STL?
A nonstop covers the 4,189-mile great-circle distance in roughly 9h 11m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies LHR–STL?
In April 2026, the Boeing 787-8 flew the largest share of departures (85.7%), followed by the Boeing 787-9 (14.3%).
What mileage do I earn flying LHR–STL?
Distance-based programs credit off the 4,189-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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