$564 Cheap American Airlines flights Houston (IAH) to London (LHR)

View $564 flight on Thu, Sep 3, 2026Opens in a new window

$564 Cheap American Airlines flights Houston (IAH) to London (LHR)

Prices were available within the past 7 days and start at $564 for one-way flights and $938 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 3 - Fri, Sep 18
IAH
Houston
LHR
London
$938 Roundtrip, found 11 hours ago
$938
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Thu, Sep 3 from Houston to London, returning Fri, Sep 18, priced at $938 found 11 hours ago
American Airlines
Thu, Sep 3 - Fri, Sep 18
IAH
Houston
LHR
London
$944 Roundtrip, found 11 hours ago
$944
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Thu, Sep 3 from Houston to London, returning Fri, Sep 18, priced at $944 found 11 hours ago
American Airlines
Thu, Sep 3 - Fri, Sep 18
IAH
Houston
LHR
London
$948 Roundtrip, found 11 hours ago
$948
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Thu, Sep 3 from Houston to London, returning Fri, Sep 18, priced at $948 found 11 hours ago

Find the cheapest month to fly from Houston (IAH) to London (LHR)

October is typically the cheapest month to fly

From $507 - $732 per traveler.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic
Popular airline
United
Distance
7718 km
Average flight time
15 hours 25 mins

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