$542 Cheap British Airways flights London (LHR) to Washington (IAD)

View $542 flight on Tue, Feb 24, 2026Opens in a new window
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$542 Cheap British Airways flights London (LHR) to Washington (IAD)

Prices were available within the past 7 days and start at $542 for one-way flights and $731 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, Jan 18 - Mon, Jan 26
LHR
London
IAD
Washington
$731 Roundtrip, found 3 days ago
$731
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, Jan 18 from London to Washington, returning Mon, Jan 26, priced at $731 found 3 days ago

Travel information

Origin airport
Heathrow
Destination airport
Washington Dulles Intl.
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
3666 mi
Average flight time
3 hours 14 mins
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