$491 Cheap American Airlines flights Washington (IAD) to London (LGW)

View $491 flight on Mon, Aug 25, 2025Opens in a new window

$491 Cheap American Airlines flights Washington (IAD) to London (LGW)

Prices were available within the past 7 days and start at $491 for one-way flights and $1,010 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 25 - Tue, Sep 2
IAD
Washington
LGW
London
$1,010 Roundtrip, found 1 day ago
$1,010
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Aug 25 from Washington to London, returning Tue, Sep 2, priced at $1,010 found 1 day ago
Flights from Washington (IAD) to London (LGW)
Origin airport
Washington Dulles Intl.
Destination airport
Gatwick
Airlines serving
American Airlines, British Airways, Delta, Iberia, Icelandair, Royal Air Maroc, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Popular airline
Royal Air Maroc
Distance
5896 km