Cheap flights from Houston to London

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

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Live fares · IAH → LHR

Frequently asked questions

  • How long is the flight from Houston to London?

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