$525 Cheap American Airlines flights Washington (IAD) to London (LHR)

View $525 flight on Mon, Sep 14, 2026Opens in a new window

$525 Cheap American Airlines flights Washington (IAD) to London (LHR)

Prices were available within the past 7 days and start at $525 for one-way flights and $904 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jul 14 - Mon, Sep 14
IAD
Washington
LHR
London
$904 Roundtrip, found 1 day ago
$904
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 14 from Washington to London, returning Mon, Sep 14, priced at $904 found 1 day ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Cheapest option available. Average driving time to city center is 28 minutes. Flights from $1,197
LHR
Heathrow
Cheapest
Average driving time to city center28 min
Flights from $1,197

Find the cheapest month to fly from Washington (IAD) to London (LHR)

April is typically the cheapest month to fly

From $700 - $1,270 per traveler.

Travel information

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, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
British Airways
Distance
5866 km
Average flight time
12 hours 29 mins

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