$419 Cheap American Airlines flights Houston (IAH) to London (LHR)

View $419 flight on Sat, Oct 3, 2026Opens in a new window

$419 Cheap American Airlines flights Houston (IAH) to London (LHR)

Prices were available within the past 7 days and start at $419 for one-way flights and $784 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Jan 4 - Mon, May 4
IAH
Houston
LHR
London
$784 Roundtrip, found 1 day ago
$784
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Jan 4 from Houston to London, returning Mon, May 4, priced at $784 found 1 day ago
Flights from Houston (IAH) to London (LHR)
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, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic
Popular airline
British Airways
Distance
7718 km
Average flight time
15 hours 5 mins