United MileagePlus Award Flights: IAH (George Bush Intercontinental Airport) to LHR (London Heathrow Airport)

Discover and book available award flights using points and miles on United MileagePlus between IAH (George Bush Intercontinental Airport) and LHR (London Heathrow Airport). Get up-to-date award seat availability and points pricing for your journey.

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Explore upgrade availability for United PlusPoints and mileage upgrades with our PlusPoints finder.