£384 Cheap Aer Lingus flights from London to Washington (LHR→IAD)

View £384 flight on Wed, 5 Nov 2025Opens in a new window
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Aer Lingus flights from London to Washington (LHR→IAD)

Prices were available within the past 7 days and start at £384 for one-way flights and £388 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, 11 Mar - Sat, 14 Mar
LHR
London
IAD
Washington
£388 Return, found 2 days ago
£388
Return
found 2 days ago
Select Aer Lingus flight, departing Wed, 11 Mar from London to Washington, returning Sat, 14 Mar, priced at £388 found 2 days ago
Aer Lingus
Thu, 9 Oct - Thu, 16 Oct
LHR
London
IAD
Washington
£390 Return, just found
£390
Return
just found
Select Aer Lingus flight, departing Thu, 9 Oct from London to Washington, returning Thu, 16 Oct, priced at £390 just found
Flight from London to Washington route 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
5866 km
Average flight time
3 hours 14 mins
*Available to Expedia members.