NZ$929 Cheap Flights London to Washington (LON-IAD)

View NZ$929 flight on Tue, 3 Feb 2026Opens in a new window

Popular airlines from London to Washington, DC (IAD-Washington Dulles Intl.)

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Cheap Flights from London (LON) to Washington (IAD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, 14 Sept - Sun, 20 Sept
LHR
London
IAD
Washington
NZ$1,298 Return, found 6 days ago
NZ$1,298
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,298 found 6 days ago
Iberia
Mon, 14 Sept - Sun, 20 Sept
LGW
London
IAD
Washington
NZ$1,330 Return, found 6 days ago
NZ$1,330
Return
found 6 days ago
Select Iberia flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,330 found 6 days ago
Iberia
Mon, 14 Sept - Sun, 20 Sept
LHR
London
IAD
Washington
NZ$1,353 Return, found 6 days ago
NZ$1,353
Return
found 6 days ago
Select Iberia flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,353 found 6 days ago
Virgin Atlantic
Mon, 14 Sept - Sun, 20 Sept
LHR
London
IAD
Washington
NZ$1,372 Return, found 6 days ago
NZ$1,372
Return
found 6 days ago
Select Virgin Atlantic flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,372 found 6 days ago
Delta
Mon, 14 Sept - Sun, 20 Sept
LHR
London
IAD
Washington
NZ$1,372 Return, found 6 days ago
NZ$1,372
Return
found 6 days ago
Select Delta flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,372 found 6 days ago
American Airlines
Mon, 14 Sept - Sun, 20 Sept
LGW
London
IAD
Washington
NZ$1,466 Return, found 6 days ago
NZ$1,466
Return
found 6 days ago
Select American Airlines flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,466 found 6 days ago
KLM
Mon, 14 Sept - Sun, 20 Sept
LHR
London
IAD
Washington
NZ$1,469 Return, found 6 days ago
NZ$1,469
Return
found 6 days ago
Select KLM flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,469 found 6 days ago
TAP Portugal
Mon, 14 Sept - Sun, 20 Sept
LGW
London
IAD
Washington
NZ$1,515 Return, found 6 days ago
NZ$1,515
Return
found 6 days ago
Select TAP Portugal flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,515 found 6 days ago
Aer Lingus
Mon, 14 Sept - Sun, 20 Sept
LHR
London
IAD
Washington
NZ$1,538 Return, found 6 days ago
NZ$1,538
Return
found 6 days ago
Select Aer Lingus flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,538 found 6 days ago
British Airways
Mon, 14 Sept - Sun, 20 Sept
LGW
London
IAD
Washington
NZ$1,630 Return, found 6 days ago
NZ$1,630
Return
found 6 days ago
Select British Airways flight, departing Mon, 14 Sept from London to Washington, returning Sun, 20 Sept, priced at NZ$1,630 found 6 days ago
Flight from London to Washington route information
Origin airport
Heathrow
Destination airport
Washington Dulles Intl.
Return price
NZ$1,298
Distance
5866 km

LON to IAD Flights

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Washington Flight Deals

Baltimore

London to Baltimore Washington Intl. Thurgood Marshall
NZ$1,285.30

Washington

London Airports

London

Heathrow to Washington
NZ$1,297.70
*Available to Expedia members.