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

View AU$728 flight on Tue, 6 May 2025Opens in a new window

Popular airlines from London to Washington

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

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
Wed., 26 Nov. - Sat., 13 Dec.
LHR
London
IAD
Washington
AU$1,037 Return, found 2 days ago
AU$1,037
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Wed., 26 Nov. from London to Washington, returning Sat., 13 Dec., priced at AU$1,037 found 2 days ago
TAP Portugal
Sat., 11 Oct. - Wed., 22 Oct.
LHR
London
IAD
Washington
AU$1,116 Return, found 2 days ago
AU$1,116
Return
found 2 days ago
Select TAP Portugal flight, departing Sat., 11 Oct. from London to Washington, returning Wed., 22 Oct., priced at AU$1,116 found 2 days ago
Icelandair
Thu., 11 Sep. - Wed., 17 Sep.
LHR
London
BWI
Baltimore
AU$1,123 Return, found 4 days ago
AU$1,123
Return
found 4 days ago
Select Icelandair flight, departing Thu., 11 Sep. from London to Baltimore, returning Wed., 17 Sep., priced at AU$1,123 found 4 days ago
American Airlines
Fri., 2 May - Fri., 16 May
LGW
London
DCA
Washington
AU$1,149 Return, found 16 hours ago
AU$1,149
Return
found 16 hours ago
Select American Airlines flight, departing Fri., 2 May from London to Washington, returning Fri., 16 May, priced at AU$1,149 found 16 hours ago
Delta
Wed., 30 Apr. - Sun., 4 May
LHR
London
IAD
Washington
AU$1,174 Return, found 9 hours ago
AU$1,174
Return
found 9 hours ago
Select Delta flight, departing Wed., 30 Apr. from London to Washington, returning Sun., 4 May, priced at AU$1,174 found 9 hours ago
Virgin Atlantic
Mon., 1 Sep. - Tue., 16 Sep.
LHR
London
IAD
Washington
AU$1,177 Return, found 2 days ago
AU$1,177
Return
found 2 days ago
Select Virgin Atlantic flight, departing Mon., 1 Sep. from London to Washington, returning Tue., 16 Sep., priced at AU$1,177 found 2 days ago
United
Sat., 10 May - Mon., 19 May
LHR
London
IAD
Washington
AU$1,179 Return, found 4 days ago
AU$1,179
Return
found 4 days ago
Select United flight, departing Sat., 10 May from London to Washington, returning Mon., 19 May, priced at AU$1,179 found 4 days ago
Swiss International Air Lines
Wed., 30 Apr. - Sun., 4 May
LHR
London
IAD
Washington
AU$1,185 Return, found 9 hours ago
AU$1,185
Return
found 9 hours ago
Select Swiss International Air Lines flight, departing Wed., 30 Apr. from London to Washington, returning Sun., 4 May, priced at AU$1,185 found 9 hours ago
Air Canada
Wed., 30 Apr. - Sun., 4 May
LHR
London
DCA
Washington
AU$1,205 Return, found 9 hours ago
AU$1,205
Return
found 9 hours ago
Select Air Canada flight, departing Wed., 30 Apr. from London to Washington, returning Sun., 4 May, priced at AU$1,205 found 9 hours ago
Icelandair
Wed., 19 Nov. - Wed., 3 Dec.
LGW
London
BWI
Baltimore
AU$1,215 Return, found 3 days ago
AU$1,215
Return
found 3 days ago
Select Icelandair flight, departing Wed., 19 Nov. from London to Baltimore, returning Wed., 3 Dec., priced at AU$1,215 found 3 days ago
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, Delta, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic, World Ticket Ltd
Return price
AU$1,037
Distance
5866 km

LON to WAS Flights

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Washington Flight Deals

Washington

London to Washington Dulles Intl.
AU$1,036.80

Baltimore

London to Baltimore Washington Intl. Thurgood Marshall
AU$1,122.80
*Available to Expedia members.