Back to CalculatorRoute ID: IAH-LGW
Flight Distance from Houston (IAH) to London (LGW)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
IAHKIAH
Houston, United States
George Bush Intercontinental Airport
Great Circle Path
7,795 km4,844 miles • 4,209 NM
Destination Airport
EGKKLGW
London, United Kingdom
London Gatwick Airport
Direct Distance
7,795 km
4,844 Statute Miles
4,209 Nautical Miles
Commercial Flight
9h 40m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
702 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
42° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
9h 40m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
8h 58m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
15h 29m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🇬🇧 United Kingdom
Allowed Stay180 days
Passport Validity Required6 months
💡 Official Note: Visa free tourism up to 6 months.
This information is provided for general guidance only and does not replace official verification with an embassy, consulate, or the IATA Travel Centre before you travel.
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Flight Path & Geodetic Arc Map
Great Circle Flight Arc Path
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Departure Airport Specs
George Bush Intercontinental Airport (IAH)
- City / Country: Houston, United States
- ICAO Code: KIAH
- Coordinates: 29.9844°, -95.3414°
- Timezone: America/Chicago
- Elevation: 97 ft
Arrival Airport Specs
London Gatwick Airport (LGW)
- City / Country: London, United Kingdom
- ICAO Code: EGKK
- Coordinates: 51.1487°, -0.1857°
- Timezone: Europe/London
- Elevation: 202 ft
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