$1,803 Cheap United flights London (LHR) to Houston (IAH)

View $1,803 flight on Tue, Sep 23, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$1,803 Cheap United flights London (LHR) to Houston (IAH)

Prices were available within the past 7 days and start at $1,803 for one-way flights and $915 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 1 - Wed, Oct 1
LHR
London
IAH
Houston
$915 Roundtrip, found 7 hours ago
$915
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Sep 1 from London to Houston, returning Wed, Oct 1, priced at $915 found 7 hours ago
Flights from London (LHR) to Houston (IAH)
Origin airport
Heathrow
Destination airport
George Bush Intercontinental
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic, WestJet
Popular airline
British Airways
Distance
4823 mi
Average flight time
4 hours 17 mins

Explore a world of travel with Expedia

*Available to One Key members.