$407 Cheap American Airlines flights Washington (IAD) to London (LHR)

View $407 flight on Wed, Oct 1, 2025Opens in a new window

$407 Cheap American Airlines flights Washington (IAD) to London (LHR)

Prices were available within the past 7 days and start at $407 for one-way flights and $599 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 1 - Wed, Oct 8
IAD
Washington
LHR
London
$599 Roundtrip, found 2 days ago
$599
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 1 from Washington to London, returning Wed, Oct 8, priced at $599 found 2 days ago
Flights from Washington (IAD) to London (LHR)
Origin airport
Washington Dulles Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
Virgin Atlantic
Distance
5866 km
Average flight time
12 hours 21 mins