Cheap flights from London to Houston

Direct flight: 7,764 km, ~9h 8m from London (LHR) to Houston (IAH).

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Live fares · LHR → IAH

Frequently asked questions

  • How long is the flight from London to Houston?

    Direct flights from LHR to IAH cover approximately 7,764 km (4,824 miles), with an estimated flight time of 9h 8m. Operating airlines: BA, UA.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: LHR → IAH Cheapest month to fly to Houston All flights from London All flights to Houston Flights to USA Visa-free with United Kingdom passport BA routes UA routes