Nonstop from George Bush Intercontinental to London Heathrow: distance, flying time, which airlines fly it and how often.
Distance
4,824 mi, great circle
Flying time
typical, gate to gate
Flights a day
average, November 2026
Airlines
passenger airlines
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Fares found in recent searches load here. You can also compare IAH to LHR fares by month.
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Heathrow connection times by terminal: the official 60- and 90-minute minimums, realistic buffers, and when an hour at LHR is not enough.
Transit visa rules by hub, 2026: which airports let you connect airside without a visa, and why the US and Mexico have no sterile transit.
Westbound flights take longer because they fly into the jet stream's headwinds. See how it works, real route times, and when the gap is biggest.
About 9h 55m gate to gate for the 7,763 km (4,824 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
British Airways and United Airlines, with about 4.1 flights a day between them in our data (AeroDataBox, November 2026).